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Edit File : post.php \| Size : 80.28 KB
<?php /** * WordPress Post Administration API. * * @package WordPress * @subpackage Administration / /* * Renames `$_POST` data from form names to DB post columns. * * Manipulates `$_POST` directly. * * @since 2.6.0 * * @param bool $update Whether the post already exists. * @param array\|null $post_data Optional. The array of post data to process. * Defaults to the `$_POST` superglobal. * @return array\|WP_Error Array of post data on success, WP_Error on failure. / function _wp_translate_postdata( $update = false, $post_data = null ) { if ( empty( $post_data ) ) { $post_data = &$_POST; } if ( $update ) { $post_data['ID'] = (int) $post_data['post_ID']; } $ptype = get_post_type_object( $post_data['post_type'] ); if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) { if ( 'page' === $post_data['post_type'] ) { return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); } else { return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); } } elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) { if ( 'page' === $post_data['post_type'] ) { return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); } else { return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); } } if ( isset( $post_data['content'] ) ) { $post_data['post_content'] = $post_data['content']; } if ( isset( $post_data['excerpt'] ) ) { $post_data['post_excerpt'] = $post_data['excerpt']; } if ( isset( $post_data['parent_id'] ) ) { $post_data['post_parent'] = (int) $post_data['parent_id']; } if ( isset( $post_data['trackback_url'] ) ) { $post_data['to_ping'] = $post_data['trackback_url']; } $post_data['user_ID'] = get_current_user_id(); if ( ! empty( $post_data['post_author_override'] ) ) { $post_data['post_author'] = (int) $post_data['post_author_override']; } else { if ( ! empty( $post_data['post_author'] ) ) { $post_data['post_author'] = (int) $post_data['post_author']; } else { $post_data['post_author'] = (int) $post_data['user_ID']; } } if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] !== $post_data['user_ID'] ) && ! current_user_can( $ptype->cap->edit_others_posts ) ) { if ( $update ) { if ( 'page' === $post_data['post_type'] ) { return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) ); } else { return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) ); } } else { if ( 'page' === $post_data['post_type'] ) { return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) ); } else { return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) ); } } } if ( ! empty( $post_data['post_status'] ) ) { $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); // No longer an auto-draft. if ( 'auto-draft' === $post_data['post_status'] ) { $post_data['post_status'] = 'draft'; } if ( ! get_post_status_object( $post_data['post_status'] ) ) { unset( $post_data['post_status'] ); } } // What to do based on which button they pressed. if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) { $post_data['post_status'] = 'draft'; } if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) { $post_data['post_status'] = 'private'; } if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] ) && ( ! isset( $post_data['post_status'] ) \|\| 'private' !== $post_data['post_status'] ) ) { $post_data['post_status'] = 'publish'; } if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) { $post_data['post_status'] = 'draft'; } if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) { $post_data['post_status'] = 'pending'; } if ( isset( $post_data['ID'] ) ) { $post_id = $post_data['ID']; } else { $post_id = false; } $previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false; if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) { $post_data['post_status'] = $previous_status ? $previous_status : 'pending'; } $published_statuses = array( 'publish', 'future' ); / * Posts 'submitted for approval' are submitted to $_POST the same as if they were being published. * Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts. / if ( isset( $post_data['post_status'] ) && ( in_array( $post_data['post_status'], $published_statuses, true ) && ! current_user_can( $ptype->cap->publish_posts ) ) ) { if ( ! in_array( $previous_status, $published_statuses, true ) \|\| ! current_user_can( 'edit_post', $post_id ) ) { $post_data['post_status'] = 'pending'; } } if ( ! isset( $post_data['post_status'] ) ) { $post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status; } if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) { unset( $post_data['post_password'] ); } if ( ! isset( $post_data['comment_status'] ) ) { $post_data['comment_status'] = 'closed'; } if ( ! isset( $post_data['ping_status'] ) ) { $post_data['ping_status'] = 'closed'; } foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) { if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] !== $post_data[ $timeunit ] ) { $post_data['edit_date'] = '1'; break; } } if ( ! empty( $post_data['edit_date'] ) ) { $aa = $post_data['aa']; $mm = $post_data['mm']; $jj = $post_data['jj']; $hh = $post_data['hh']; $mn = $post_data['mn']; $ss = $post_data['ss']; $aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa; $mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm; $jj = ( $jj > 31 ) ? 31 : $jj; $jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj; $hh = ( $hh > 23 ) ? $hh - 24 : $hh; $mn = ( $mn > 59 ) ? $mn - 60 : $mn; $ss = ( $ss > 59 ) ? $ss - 60 : $ss; $post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss ); $valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] ); if ( ! $valid_date ) { return new WP_Error( 'invalid_date', __( 'Invalid date.' ) ); } / * Only assign a post date if the user has explicitly set a new value. * See #59125 and #19907. / $previous_date = $post_id ? get_post_field( 'post_date', $post_id ) : false; if ( $previous_date && $previous_date !== $post_data['post_date'] ) { $post_data['edit_date'] = true; $post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] ); } else { $post_data['edit_date'] = false; unset( $post_data['post_date'] ); unset( $post_data['post_date_gmt'] ); } } if ( isset( $post_data['post_category'] ) ) { $category_object = get_taxonomy( 'category' ); if ( ! current_user_can( $category_object->cap->assign_terms ) ) { unset( $post_data['post_category'] ); } } return $post_data; } /* * Returns only allowed post data fields. * * @since 5.0.1 * * @param array\|WP_Error\|null $post_data The array of post data to process, or an error object. * Defaults to the `$_POST` superglobal. * @return array\|WP_Error Array of post data on success, WP_Error on failure. / function _wp_get_allowed_postdata( $post_data = null ) { if ( empty( $post_data ) ) { $post_data = $_POST; } // Pass through errors. if ( is_wp_error( $post_data ) ) { return $post_data; } return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) ); } /* * Updates an existing post with values provided in `$_POST`. * * If post data is passed as an argument, it is treated as an array of data * keyed appropriately for turning into a post object. * * If post data is not passed, the `$_POST` global variable is used instead. * * @since 1.5.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array\|null $post_data Optional. The array of post data to process. * Defaults to the `$_POST` superglobal. * @return int Post ID. / function edit_post( $post_data = null ) { global $wpdb; if ( empty( $post_data ) ) { $post_data = &$_POST; } // Clear out any data in internal vars. unset( $post_data['filter'] ); $post_id = (int) $post_data['post_ID']; $post = get_post( $post_id ); $post_data['post_type'] = $post->post_type; $post_data['post_mime_type'] = $post->post_mime_type; if ( ! empty( $post_data['post_status'] ) ) { $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); if ( 'inherit' === $post_data['post_status'] ) { unset( $post_data['post_status'] ); } } $ptype = get_post_type_object( $post_data['post_type'] ); if ( ! current_user_can( 'edit_post', $post_id ) ) { if ( 'page' === $post_data['post_type'] ) { wp_die( __( 'Sorry, you are not allowed to edit this page.' ) ); } else { wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); } } if ( post_type_supports( $ptype->name, 'revisions' ) ) { $revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC', 'posts_per_page' => 1, ) ); $revision = current( $revisions ); // Check if the revisions have been upgraded. if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) { _wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_id ) ); } } if ( isset( $post_data['visibility'] ) ) { switch ( $post_data['visibility'] ) { case 'public': $post_data['post_password'] = ''; break; case 'password': unset( $post_data['sticky'] ); break; case 'private': $post_data['post_status'] = 'private'; $post_data['post_password'] = ''; unset( $post_data['sticky'] ); break; } } $post_data = _wp_translate_postdata( true, $post_data ); if ( is_wp_error( $post_data ) ) { wp_die( $post_data->get_error_message() ); } $translated = _wp_get_allowed_postdata( $post_data ); // Post formats. if ( isset( $post_data['post_format'] ) ) { set_post_format( $post_id, $post_data['post_format'] ); } $format_meta_urls = array( 'url', 'link_url', 'quote_source_url' ); foreach ( $format_meta_urls as $format_meta_url ) { $keyed = '_format_' . $format_meta_url; if ( isset( $post_data[ $keyed ] ) ) { update_post_meta( $post_id, $keyed, wp_slash( sanitize_url( wp_unslash( $post_data[ $keyed ] ) ) ) ); } } $format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' ); foreach ( $format_keys as $key ) { $keyed = '_format_' . $key; if ( isset( $post_data[ $keyed ] ) ) { if ( current_user_can( 'unfiltered_html' ) ) { update_post_meta( $post_id, $keyed, $post_data[ $keyed ] ); } else { update_post_meta( $post_id, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) ); } } } if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio\|video)/#', $post_data['post_mime_type'] ) ) { $id3data = wp_get_attachment_metadata( $post_id ); if ( ! is_array( $id3data ) ) { $id3data = array(); } foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) { if ( isset( $post_data[ 'id3_' . $key ] ) ) { $id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) ); } } wp_update_attachment_metadata( $post_id, $id3data ); } // Meta stuff. if ( isset( $post_data['meta'] ) && $post_data['meta'] ) { foreach ( $post_data['meta'] as $key => $value ) { $meta = get_post_meta_by_id( $key ); if ( ! $meta ) { continue; } if ( (int) $meta->post_id !== $post_id ) { continue; } if ( is_protected_meta( $meta->meta_key, 'post' ) \|\| ! current_user_can( 'edit_post_meta', $post_id, $meta->meta_key ) ) { continue; } if ( is_protected_meta( $value['key'], 'post' ) \|\| ! current_user_can( 'edit_post_meta', $post_id, $value['key'] ) ) { continue; } update_meta( $key, $value['key'], $value['value'] ); } } if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) { foreach ( $post_data['deletemeta'] as $key => $value ) { $meta = get_post_meta_by_id( $key ); if ( ! $meta ) { continue; } if ( (int) $meta->post_id !== $post_id ) { continue; } if ( is_protected_meta( $meta->meta_key, 'post' ) \|\| ! current_user_can( 'delete_post_meta', $post_id, $meta->meta_key ) ) { continue; } delete_meta( $key ); } } // Attachment stuff. if ( 'attachment' === $post_data['post_type'] ) { if ( isset( $post_data['_wp_attachment_image_alt'] ) ) { $image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] ); if ( get_post_meta( $post_id, '_wp_attachment_image_alt', true ) !== $image_alt ) { $image_alt = wp_strip_all_tags( $image_alt, true ); // update_post_meta() expects slashed. update_post_meta( $post_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) ); } } $attachment_data = isset( $post_data['attachments'][ $post_id ] ) ? $post_data['attachments'][ $post_id ] : array(); /* This filter is documented in wp-admin/includes/media.php / $translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data ); } // Convert taxonomy input to term IDs, to avoid ambiguity. if ( isset( $post_data['tax_input'] ) ) { foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) { $tax_object = get_taxonomy( $taxonomy ); if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) { $translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) ); } } } add_meta( $post_id ); update_post_meta( $post_id, '_edit_last', get_current_user_id() ); $success = wp_update_post( $translated ); // If the save failed, see if we can confidence check the main fields and try again. if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) { $fields = array( 'post_title', 'post_content', 'post_excerpt' ); foreach ( $fields as $field ) { if ( isset( $translated[ $field ] ) ) { $translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] ); } } wp_update_post( $translated ); } // Now that we have an ID we can fix any attachment anchor hrefs. _fix_attachment_links( $post_id ); wp_set_post_lock( $post_id ); if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) { if ( ! empty( $post_data['sticky'] ) ) { stick_post( $post_id ); } else { unstick_post( $post_id ); } } return $post_id; } /* * Processes the post data for the bulk editing of posts. * * Updates all bulk edited posts/pages, adding (but not removing) tags and * categories. Skips pages when they would be their own parent or child. * * @since 2.7.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array\|null $post_data Optional. The array of post data to process. * Defaults to the `$_POST` superglobal. * @return array { * An array of updated, skipped, and locked post IDs. * * @type int[] $updated An array of updated post IDs. * @type int[] $skipped An array of skipped post IDs. * @type int[] $locked An array of locked post IDs. * } / function bulk_edit_posts( $post_data = null ) { global $wpdb; if ( empty( $post_data ) ) { $post_data = &$_POST; } if ( isset( $post_data['post_type'] ) ) { $ptype = get_post_type_object( $post_data['post_type'] ); } else { $ptype = get_post_type_object( 'post' ); } if ( ! current_user_can( $ptype->cap->edit_posts ) ) { if ( 'page' === $ptype->name ) { wp_die( __( 'Sorry, you are not allowed to edit pages.' ) ); } else { wp_die( __( 'Sorry, you are not allowed to edit posts.' ) ); } } if ( '-1' === $post_data['_status'] ) { $post_data['post_status'] = null; unset( $post_data['post_status'] ); } else { $post_data['post_status'] = $post_data['_status']; } unset( $post_data['_status'] ); if ( ! empty( $post_data['post_status'] ) ) { $post_data['post_status'] = sanitize_key( $post_data['post_status'] ); if ( 'inherit' === $post_data['post_status'] ) { unset( $post_data['post_status'] ); } } $post_ids = array_map( 'intval', (array) $post_data['post'] ); $reset = array( 'post_author', 'post_status', 'post_password', 'post_parent', 'page_template', 'comment_status', 'ping_status', 'keep_private', 'tax_input', 'post_category', 'sticky', 'post_format', ); foreach ( $reset as $field ) { if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] \|\| '-1' === $post_data[ $field ] ) ) { unset( $post_data[ $field ] ); } } if ( isset( $post_data['post_category'] ) ) { if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) { $new_cats = array_map( 'absint', $post_data['post_category'] ); } else { unset( $post_data['post_category'] ); } } $tax_input = array(); if ( isset( $post_data['tax_input'] ) ) { foreach ( $post_data['tax_input'] as $tax_name => $terms ) { if ( empty( $terms ) ) { continue; } if ( is_taxonomy_hierarchical( $tax_name ) ) { $tax_input[ $tax_name ] = array_map( 'absint', $terms ); } else { $comma = _x( ',', 'tag delimiter' ); if ( ',' !== $comma ) { $terms = str_replace( $comma, ',', $terms ); } $tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); } } } if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) { $parent = (int) $post_data['post_parent']; $pages = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" ); $children = array(); for ( $i = 0; $i < 50 && $parent > 0; $i++ ) { $children[] = $parent; foreach ( $pages as $page ) { if ( (int) $page->ID === $parent ) { $parent = (int) $page->post_parent; break; } } } } $updated = array(); $skipped = array(); $locked = array(); $shared_post_data = $post_data; foreach ( $post_ids as $post_id ) { // Start with fresh post data with each iteration. $post_data = $shared_post_data; $post_type_object = get_post_type_object( get_post_type( $post_id ) ); if ( ! isset( $post_type_object ) \|\| ( isset( $children ) && in_array( $post_id, $children, true ) ) \|\| ! current_user_can( 'edit_post', $post_id ) ) { $skipped[] = $post_id; continue; } if ( wp_check_post_lock( $post_id ) ) { $locked[] = $post_id; continue; } $post = get_post( $post_id ); $tax_names = get_object_taxonomies( $post ); foreach ( $tax_names as $tax_name ) { $taxonomy_obj = get_taxonomy( $tax_name ); if ( ! $taxonomy_obj->show_in_quick_edit ) { continue; } if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) { $new_terms = $tax_input[ $tax_name ]; } else { $new_terms = array(); } if ( $taxonomy_obj->hierarchical ) { $current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'ids' ) ); } else { $current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'names' ) ); } $post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms ); } if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) { $cats = (array) wp_get_post_categories( $post_id ); if ( isset( $post_data['indeterminate_post_category'] ) && is_array( $post_data['indeterminate_post_category'] ) ) { $indeterminate_post_category = $post_data['indeterminate_post_category']; } else { $indeterminate_post_category = array(); } $indeterminate_cats = array_intersect( $cats, $indeterminate_post_category ); $determinate_cats = array_diff( $new_cats, $indeterminate_post_category ); $post_data['post_category'] = array_unique( array_merge( $indeterminate_cats, $determinate_cats ) ); unset( $post_data['tax_input']['category'] ); } $post_data['post_ID'] = $post_id; $post_data['post_type'] = $post->post_type; $post_data['post_mime_type'] = $post->post_mime_type; foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) { if ( ! isset( $post_data[ $field ] ) ) { $post_data[ $field ] = $post->$field; } } $post_data = _wp_translate_postdata( true, $post_data ); if ( is_wp_error( $post_data ) ) { $skipped[] = $post_id; continue; } $post_data = _wp_get_allowed_postdata( $post_data ); if ( isset( $shared_post_data['post_format'] ) ) { set_post_format( $post_id, $shared_post_data['post_format'] ); } // Prevent wp_insert_post() from overwriting post format with the old data. unset( $post_data['tax_input']['post_format'] ); // Reset post date of scheduled post to be published. if ( in_array( $post->post_status, array( 'future', 'draft' ), true ) && 'publish' === $post_data['post_status'] ) { $post_data['post_date'] = current_time( 'mysql' ); $post_data['post_date_gmt'] = ''; } $post_id = wp_update_post( $post_data ); update_post_meta( $post_id, '_edit_last', get_current_user_id() ); $updated[] = $post_id; if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) { if ( 'sticky' === $post_data['sticky'] ) { stick_post( $post_id ); } else { unstick_post( $post_id ); } } } /* * Fires after processing the post data for bulk edit. * * @since 6.3.0 * * @param int[] $updated An array of updated post IDs. * @param array $shared_post_data Associative array containing the post data. / do_action( 'bulk_edit_posts', $updated, $shared_post_data ); return array( 'updated' => $updated, 'skipped' => $skipped, 'locked' => $locked, ); } /* * Returns default post information to use when populating the "Write Post" form. * * @since 2.0.0 * * @param string $post_type Optional. A post type string. Default 'post'. * @param bool $create_in_db Optional. Whether to insert the post into database. Default false. * @return WP_Post Post object containing all the default post data as attributes / function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) { $post_title = ''; if ( ! empty( $_REQUEST['post_title'] ) ) { $post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) ); } $post_content = ''; if ( ! empty( $_REQUEST['content'] ) ) { $post_content = esc_html( wp_unslash( $_REQUEST['content'] ) ); } $post_excerpt = ''; if ( ! empty( $_REQUEST['excerpt'] ) ) { $post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) ); } if ( $create_in_db ) { $post_id = wp_insert_post( array( 'post_title' => __( 'Auto Draft' ), 'post_type' => $post_type, 'post_status' => 'auto-draft', ), false, false ); $post = get_post( $post_id ); if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) { set_post_format( $post, get_option( 'default_post_format' ) ); } wp_after_insert_post( $post, false, null ); // Schedule auto-draft cleanup. if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) { wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' ); } } else { $post = new stdClass(); $post->ID = 0; $post->post_author = ''; $post->post_date = ''; $post->post_date_gmt = ''; $post->post_password = ''; $post->post_name = ''; $post->post_type = $post_type; $post->post_status = 'draft'; $post->to_ping = ''; $post->pinged = ''; $post->comment_status = get_default_comment_status( $post_type ); $post->ping_status = get_default_comment_status( $post_type, 'pingback' ); $post->post_pingback = get_option( 'default_pingback_flag' ); $post->post_category = get_option( 'default_category' ); $post->page_template = 'default'; $post->post_parent = 0; $post->menu_order = 0; $post = new WP_Post( $post ); } /* * Filters the default post content initially used in the "Write Post" form. * * @since 1.5.0 * * @param string $post_content Default post content. * @param WP_Post $post Post object. / $post->post_content = (string) apply_filters( 'default_content', $post_content, $post ); /* * Filters the default post title initially used in the "Write Post" form. * * @since 1.5.0 * * @param string $post_title Default post title. * @param WP_Post $post Post object. / $post->post_title = (string) apply_filters( 'default_title', $post_title, $post ); /* * Filters the default post excerpt initially used in the "Write Post" form. * * @since 1.5.0 * * @param string $post_excerpt Default post excerpt. * @param WP_Post $post Post object. / $post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post ); return $post; } /* * Determines if a post exists based on title, content, date and type. * * @since 2.0.0 * @since 5.2.0 Added the `$type` parameter. * @since 5.8.0 Added the `$status` parameter. * * @global wpdb $wpdb WordPress database abstraction object. * * @param string $title Post title. * @param string $content Optional. Post content. * @param string $date Optional. Post date. * @param string $type Optional. Post type. * @param string $status Optional. Post status. * @return int Post ID if post exists, 0 otherwise. / function post_exists( $title, $content = '', $date = '', $type = '', $status = '' ) { global $wpdb; $post_title = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) ); $post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) ); $post_date = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) ); $post_type = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) ); $post_status = wp_unslash( sanitize_post_field( 'post_status', $status, 0, 'db' ) ); $query = "SELECT ID FROM $wpdb->posts WHERE 1=1"; $args = array(); if ( ! empty( $date ) ) { $query .= ' AND post_date = %s'; $args[] = $post_date; } if ( ! empty( $title ) ) { $query .= ' AND post_title = %s'; $args[] = $post_title; } if ( ! empty( $content ) ) { $query .= ' AND post_content = %s'; $args[] = $post_content; } if ( ! empty( $type ) ) { $query .= ' AND post_type = %s'; $args[] = $post_type; } if ( ! empty( $status ) ) { $query .= ' AND post_status = %s'; $args[] = $post_status; } if ( ! empty( $args ) ) { return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) ); } return 0; } /* * Creates a new post from the "Write Post" form using `$_POST` information. * * @since 2.1.0 * * @global WP_User $current_user * * @return int\|WP_Error Post ID on success, WP_Error on failure. / function wp_write_post() { if ( isset( $_POST['post_type'] ) ) { $ptype = get_post_type_object( $_POST['post_type'] ); } else { $ptype = get_post_type_object( 'post' ); } if ( ! current_user_can( $ptype->cap->edit_posts ) ) { if ( 'page' === $ptype->name ) { return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) ); } else { return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) ); } } $_POST['post_mime_type'] = ''; // Clear out any data in internal vars. unset( $_POST['filter'] ); // Edit, don't write, if we have a post ID. if ( isset( $_POST['post_ID'] ) ) { return edit_post(); } if ( isset( $_POST['visibility'] ) ) { switch ( $_POST['visibility'] ) { case 'public': $_POST['post_password'] = ''; break; case 'password': unset( $_POST['sticky'] ); break; case 'private': $_POST['post_status'] = 'private'; $_POST['post_password'] = ''; unset( $_POST['sticky'] ); break; } } $translated = _wp_translate_postdata( false ); if ( is_wp_error( $translated ) ) { return $translated; } $translated = _wp_get_allowed_postdata( $translated ); // Create the post. $post_id = wp_insert_post( $translated ); if ( is_wp_error( $post_id ) ) { return $post_id; } if ( empty( $post_id ) ) { return 0; } add_meta( $post_id ); add_post_meta( $post_id, '_edit_last', $GLOBALS['current_user']->ID ); // Now that we have an ID we can fix any attachment anchor hrefs. _fix_attachment_links( $post_id ); wp_set_post_lock( $post_id ); return $post_id; } /* * Calls wp_write_post() and handles the errors. * * @since 2.0.0 * * @return int\|void Post ID on success, void on failure. / function write_post() { $result = wp_write_post(); if ( is_wp_error( $result ) ) { wp_die( $result->get_error_message() ); } else { return $result; } } // // Post Meta. // /* * Adds post meta data defined in the `$_POST` superglobal for a post with given ID. * * @since 1.2.0 * * @param int $post_id * @return int\|bool / function add_meta( $post_id ) { $post_id = (int) $post_id; $metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : ''; $metakeyinput = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : ''; $metavalue = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : ''; if ( is_string( $metavalue ) ) { $metavalue = trim( $metavalue ); } if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) \|\| ! empty( $metakeyinput ) ) { / * We have a key/value pair. If both the select and the input * for the key have data, the input takes precedence. / if ( '#NONE#' !== $metakeyselect ) { $metakey = $metakeyselect; } if ( $metakeyinput ) { $metakey = $metakeyinput; // Default. } if ( is_protected_meta( $metakey, 'post' ) \|\| ! current_user_can( 'add_post_meta', $post_id, $metakey ) ) { return false; } $metakey = wp_slash( $metakey ); return add_post_meta( $post_id, $metakey, $metavalue ); } return false; } /* * Deletes post meta data by meta ID. * * @since 1.2.0 * * @param int $mid * @return bool / function delete_meta( $mid ) { return delete_metadata_by_mid( 'post', $mid ); } /* * Returns a list of previously defined keys. * * @since 1.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @return string[] Array of meta key names. / function get_meta_keys() { global $wpdb; $keys = $wpdb->get_col( "SELECT meta_key FROM $wpdb->postmeta GROUP BY meta_key ORDER BY meta_key" ); return $keys; } /* * Returns post meta data by meta ID. * * @since 2.1.0 * * @param int $mid * @return object\|bool / function get_post_meta_by_id( $mid ) { return get_metadata_by_mid( 'post', $mid ); } /* * Returns meta data for the given post ID. * * @since 1.2.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param int $post_id A post ID. * @return array[] { * Array of meta data arrays for the given post ID. * * @type array ...$0 { * Associative array of meta data. * * @type string $meta_key Meta key. * @type mixed $meta_value Meta value. * @type string $meta_id Meta ID as a numeric string. * @type string $post_id Post ID as a numeric string. * } * } / function has_meta( $post_id ) { global $wpdb; return $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value, meta_id, post_id FROM $wpdb->postmeta WHERE post_id = %d ORDER BY meta_key,meta_id", $post_id ), ARRAY_A ); } /* * Updates post meta data by meta ID. * * @since 1.2.0 * * @param int $meta_id Meta ID. * @param string $meta_key Meta key. Expect slashed. * @param string $meta_value Meta value. Expect slashed. * @return bool / function update_meta( $meta_id, $meta_key, $meta_value ) { $meta_key = wp_unslash( $meta_key ); $meta_value = wp_unslash( $meta_value ); return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key ); } // // Private. // /* * Replaces hrefs of attachment anchors with up-to-date permalinks. * * @since 2.3.0 * @access private * * @param int\|WP_Post $post Post ID or post object. * @return void\|int\|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success. / function _fix_attachment_links( $post ) { $post = get_post( $post, ARRAY_A ); $content = $post['post_content']; // Don't run if no pretty permalinks or post is not published, scheduled, or privately published. if ( ! get_option( 'permalink_structure' ) \|\| ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) { return; } // Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero). if ( ! strpos( $content, '?attachment_id=' ) \|\| ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) { return; } $site_url = get_bloginfo( 'url' ); $site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s). $replace = ''; foreach ( $link_matches[1] as $key => $value ) { if ( ! strpos( $value, '?attachment_id=' ) \|\| ! strpos( $value, 'wp-att-' ) \|\| ! preg_match( '/href=(["\'])[^"\']\?attachment_id=(\d+)[^"\']\\1/', $value, $url_match ) \|\| ! preg_match( '/rel=["\'][^"\']wp-att-(\d+)/', $value, $rel_match ) ) { continue; } $quote = $url_match[1]; // The quote (single or double). $url_id = (int) $url_match[2]; $rel_id = (int) $rel_match[1]; if ( ! $url_id \|\| ! $rel_id \|\| $url_id !== $rel_id \|\| ! str_contains( $url_match[0], $site_url ) ) { continue; } $link = $link_matches[0][ $key ]; $replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link ); $content = str_replace( $link, $replace, $content ); } if ( $replace ) { $post['post_content'] = $content; // Escape data pulled from DB. $post = add_magic_quotes( $post ); return wp_update_post( $post ); } } /** * Returns all the possible statuses for a post type. * * @since 2.5.0 * * @param string $type The post_type you want the statuses for. Default 'post'. * @return string[] An array of all the statuses for the supplied post type. / function get_available_post_statuses( $type = 'post' ) { $statuses = wp_count_posts( $type ); return array_keys( get_object_vars( $statuses ) ); } /* * Runs the query to fetch the posts for listing on the edit posts page. * * @since 2.5.0 * * @param array\|false $q Optional. Array of query variables to use to build the query. * Defaults to the `$_GET` superglobal. * @return string[] An array of all the statuses for the queried post type. / function wp_edit_posts_query( $q = false ) { if ( false === $q ) { $q = $_GET; } $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; $post_statuses = get_post_stati(); if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) { $post_type = $q['post_type']; } else { $post_type = 'post'; } $avail_post_stati = get_available_post_statuses( $post_type ); $post_status = ''; $perm = ''; if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_statuses, true ) ) { $post_status = $q['post_status']; $perm = 'readable'; } $orderby = ''; if ( isset( $q['orderby'] ) ) { $orderby = $q['orderby']; } elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) { $orderby = 'modified'; } $order = ''; if ( isset( $q['order'] ) ) { $order = $q['order']; } elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) { $order = 'ASC'; } $per_page = "edit_{$post_type}_per_page"; $posts_per_page = (int) get_user_option( $per_page ); if ( empty( $posts_per_page ) \|\| $posts_per_page < 1 ) { $posts_per_page = 20; } /* * Filters the number of items per page to show for a specific 'per_page' type. * * The dynamic portion of the hook name, `$post_type`, refers to the post type. * * Possible hook names include: * * - `edit_post_per_page` * - `edit_page_per_page` * - `edit_attachment_per_page` * * @since 3.0.0 * * @param int $posts_per_page Number of posts to display per page for the given post * type. Default 20. / $posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page ); /* * Filters the number of posts displayed per page when specifically listing "posts". * * @since 2.8.0 * * @param int $posts_per_page Number of posts to be displayed. Default 20. * @param string $post_type The post type. / $posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type ); $query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' ); // Hierarchical types require special args. if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) { $query['orderby'] = 'menu_order title'; $query['order'] = 'asc'; $query['posts_per_page'] = -1; $query['posts_per_archive_page'] = -1; $query['fields'] = 'id=>parent'; } if ( ! empty( $q['show_sticky'] ) ) { $query['post__in'] = (array) get_option( 'sticky_posts' ); } wp( $query ); return $avail_post_stati; } /* * Returns the query variables for the current attachments request. * * @since 4.2.0 * * @param array\|false $q Optional. Array of query variables to use to build the query. * Defaults to the `$_GET` superglobal. * @return array The parsed query vars. / function wp_edit_attachments_query_vars( $q = false ) { if ( false === $q ) { $q = $_GET; } $q['m'] = isset( $q['m'] ) ? (int) $q['m'] : 0; $q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0; $q['post_type'] = 'attachment'; $post_type = get_post_type_object( 'attachment' ); $states = 'inherit'; if ( current_user_can( $post_type->cap->read_private_posts ) ) { $states .= ',private'; } $q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states; $q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states; $media_per_page = (int) get_user_option( 'upload_per_page' ); if ( empty( $media_per_page ) \|\| $media_per_page < 1 ) { $media_per_page = 20; } /* * Filters the number of items to list per page when listing media items. * * @since 2.9.0 * * @param int $media_per_page Number of media to list. Default 20. / $q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page ); $post_mime_types = get_post_mime_types(); if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) { unset( $q['post_mime_type'] ); } foreach ( array_keys( $post_mime_types ) as $type ) { if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) { $q['post_mime_type'] = $type; break; } } if ( isset( $q['detached'] ) \|\| ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) { $q['post_parent'] = 0; } if ( isset( $q['mine'] ) \|\| ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) { $q['author'] = get_current_user_id(); } // Filter query clauses to include filenames. if ( isset( $q['s'] ) ) { add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' ); } return $q; } /* * Executes a query for attachments. An array of WP_Query arguments * can be passed in, which will override the arguments set by this function. * * @since 2.5.0 * * @param array\|false $q Optional. Array of query variables to use to build the query. * Defaults to the `$_GET` superglobal. * @return array { * Array containing the post mime types and available post mime types. * * @type array[] $post_mime_types Post mime types. * @type string[] $avail_post_mime_types Available post mime types. * } / function wp_edit_attachments_query( $q = false ) { wp( wp_edit_attachments_query_vars( $q ) ); $post_mime_types = get_post_mime_types(); $avail_post_mime_types = get_available_post_mime_types( 'attachment' ); return array( $post_mime_types, $avail_post_mime_types ); } /* * Returns the list of classes to be used by a meta box. * * @since 2.5.0 * * @param string $box_id Meta box ID (used in the 'id' attribute for the meta box). * @param string $screen_id The screen on which the meta box is shown. * @return string Space-separated string of class names. / function postbox_classes( $box_id, $screen_id ) { if ( isset( $_GET['edit'] ) && $_GET['edit'] === $box_id ) { $classes = array( '' ); } elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) { $closed = get_user_option( 'closedpostboxes_' . $screen_id ); if ( ! is_array( $closed ) ) { $classes = array( '' ); } else { $classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' ); } } else { $classes = array( '' ); } /* * Filters the postbox classes for a specific screen and box ID combo. * * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to * the screen ID and meta box ID, respectively. * * @since 3.2.0 * * @param string[] $classes An array of postbox classes. / $classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes ); return implode( ' ', $classes ); } /* * Returns a sample permalink based on the post name. * * @since 2.5.0 * * @param int\|WP_Post $post Post ID or post object. * @param string\|null $title Optional. Title to override the post's current title * when generating the post name. Default null. * @param string\|null $name Optional. Name to override the post name. Default null. * @return array { * Array containing the sample permalink with placeholder for the post name, and the post name. * * @type string $0 The permalink with placeholder for the post name. * @type string $1 The post name. * } / function get_sample_permalink( $post, $title = null, $name = null ) { $post = get_post( $post ); if ( ! $post ) { return array( '', '' ); } $ptype = get_post_type_object( $post->post_type ); $original_status = $post->post_status; $original_date = $post->post_date; $original_name = $post->post_name; $original_filter = $post->filter; // Hack: get_permalink() would return plain permalink for drafts, so we will fake that our post is published. if ( in_array( $post->post_status, array( 'auto-draft', 'draft', 'pending', 'future' ), true ) ) { $post->post_status = 'publish'; $post->post_name = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID ); } / * If the user wants to set a new name -- override the current one. * Note: if empty name is supplied -- use the title instead, see #6072. / if ( ! is_null( $name ) ) { $post->post_name = sanitize_title( $name ? $name : $title, $post->ID ); } $post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent ); $post->filter = 'sample'; $permalink = get_permalink( $post, true ); // Replace custom post_type token with generic pagename token for ease of use. $permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink ); // Handle page hierarchy. if ( $ptype->hierarchical ) { $uri = get_page_uri( $post ); if ( $uri ) { $uri = untrailingslashit( $uri ); $uri = strrev( stristr( strrev( $uri ), '/' ) ); $uri = untrailingslashit( $uri ); } /* This filter is documented in wp-admin/edit-tag-form.php / $uri = apply_filters( 'editable_slug', $uri, $post ); if ( ! empty( $uri ) ) { $uri .= '/'; } $permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink ); } /* This filter is documented in wp-admin/edit-tag-form.php / $permalink = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) ); $post->post_status = $original_status; $post->post_date = $original_date; $post->post_name = $original_name; $post->filter = $original_filter; /* * Filters the sample permalink. * * @since 4.4.0 * * @param array $permalink { * Array containing the sample permalink with placeholder for the post name, and the post name. * * @type string $0 The permalink with placeholder for the post name. * @type string $1 The post name. * } * @param int $post_id Post ID. * @param string $title Post title. * @param string $name Post name (slug). * @param WP_Post $post Post object. / return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post ); } /* * Returns the HTML of the sample permalink slug editor. * * @since 2.5.0 * * @param int\|WP_Post $post Post ID or post object. * @param string\|null $new_title Optional. New title. Default null. * @param string\|null $new_slug Optional. New slug. Default null. * @return string The HTML of the sample permalink slug editor. / function get_sample_permalink_html( $post, $new_title = null, $new_slug = null ) { $post = get_post( $post ); if ( ! $post ) { return ''; } list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug ); $view_link = false; $preview_target = ''; if ( current_user_can( 'read_post', $post->ID ) ) { if ( 'draft' === $post->post_status \|\| empty( $post->post_name ) ) { $view_link = get_preview_post_link( $post ); $preview_target = " target='wp-preview-{$post->ID}'"; } else { if ( 'publish' === $post->post_status \|\| 'attachment' === $post->post_type ) { $view_link = get_permalink( $post ); } else { // Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set. $view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink ); } } } // Permalinks without a post/page name placeholder don't have anything to edit. if ( ! str_contains( $permalink, '%postname%' ) && ! str_contains( $permalink, '%pagename%' ) ) { $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; if ( false !== $view_link ) { $display_link = urldecode( $view_link ); $return .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n"; } else { $return .= '<span id="sample-permalink">' . $permalink . "</span>\n"; } // Encourage a pretty permalink setting. if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' ) && ! ( 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID ) ) { $return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small">' . __( 'Change Permalink Structure' ) . "</a></span>\n"; } } else { if ( mb_strlen( $post_name ) > 34 ) { $post_name_abridged = mb_substr( $post_name, 0, 16 ) . '…' . mb_substr( $post_name, -16 ); } else { $post_name_abridged = $post_name; } $post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>'; $display_link = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) ); $return = '<strong>' . __( 'Permalink:' ) . "</strong>\n"; $return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n"; $return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages. $return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n"; $return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n"; } /* * Filters the sample permalink HTML markup. * * @since 2.9.0 * @since 4.4.0 Added `$post` parameter. * * @param string $return Sample permalink HTML markup. * @param int $post_id Post ID. * @param string\|null $new_title New sample permalink title. * @param string\|null $new_slug New sample permalink slug. * @param WP_Post $post Post object. / $return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post ); return $return; } /* * Returns HTML for the post thumbnail meta box. * * @since 2.9.0 * * @param int\|null $thumbnail_id Optional. Thumbnail attachment ID. Default null. * @param int\|WP_Post\|null $post Optional. The post ID or object associated * with the thumbnail. Defaults to global $post. * @return string The post thumbnail HTML. / function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) { $_wp_additional_image_sizes = wp_get_additional_image_sizes(); $post = get_post( $post ); $post_type_object = get_post_type_object( $post->post_type ); $set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>'; $upload_iframe_src = get_upload_iframe_src( 'image', $post->ID ); $content = sprintf( $set_thumbnail_link, esc_url( $upload_iframe_src ), '', // Empty when there's no featured image set, `aria-describedby` attribute otherwise. esc_html( $post_type_object->labels->set_featured_image ) ); if ( $thumbnail_id && get_post( $thumbnail_id ) ) { $size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 ); /* * Filters the size used to display the post thumbnail image in the 'Featured image' meta box. * * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail' * image size is registered, which differs from the 'thumbnail' image size * managed via the Settings > Media screen. * * @since 4.4.0 * * @param string\|int[] $size Requested image size. Can be any registered image size name, or * an array of width and height values in pixels (in that order). * @param int $thumbnail_id Post thumbnail attachment ID. * @param WP_Post $post The post object associated with the thumbnail. / $size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post ); $thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size ); if ( ! empty( $thumbnail_html ) ) { $content = sprintf( $set_thumbnail_link, esc_url( $upload_iframe_src ), ' aria-describedby="set-post-thumbnail-desc"', $thumbnail_html ); $content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>'; $content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>'; } } $content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />'; /* * Filters the admin post thumbnail HTML markup to return. * * @since 2.9.0 * @since 3.5.0 Added the `$post_id` parameter. * @since 4.6.0 Added the `$thumbnail_id` parameter. * * @param string $content Admin post thumbnail HTML markup. * @param int $post_id Post ID. * @param int\|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one. / return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id ); } /* * Determines whether the post is currently being edited by another user. * * @since 2.5.0 * * @param int\|WP_Post $post ID or object of the post to check for editing. * @return int\|false ID of the user with lock. False if the post does not exist, post is not locked, * the user with lock does not exist, or the post is locked by current user. / function wp_check_post_lock( $post ) { $post = get_post( $post ); if ( ! $post ) { return false; } $lock = get_post_meta( $post->ID, '_edit_lock', true ); if ( ! $lock ) { return false; } $lock = explode( ':', $lock ); $time = $lock[0]; $user = isset( $lock[1] ) ? (int) $lock[1] : (int) get_post_meta( $post->ID, '_edit_last', true ); if ( ! get_userdata( $user ) ) { return false; } /* This filter is documented in wp-admin/includes/ajax-actions.php / $time_window = apply_filters( 'wp_check_post_lock_window', 150 ); if ( $time && $time > time() - $time_window && get_current_user_id() !== $user ) { return $user; } return false; } /* * Marks the post as currently being edited by the current user. * * @since 2.5.0 * * @param int\|WP_Post $post ID or object of the post being edited. * @return array\|false { * Array of the lock time and user ID. False if the post does not exist, or there * is no current user. * * @type int $0 The current time as a Unix timestamp. * @type int $1 The ID of the current user. * } / function wp_set_post_lock( $post ) { $post = get_post( $post ); if ( ! $post ) { return false; } $user_id = get_current_user_id(); if ( 0 === $user_id ) { return false; } $now = time(); $lock = "$now:$user_id"; update_post_meta( $post->ID, '_edit_lock', $lock ); return array( $now, $user_id ); } /* * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post. * * @since 2.8.5 / function _admin_notice_post_locked() { $post = get_post(); if ( ! $post ) { return; } $user = null; $user_id = wp_check_post_lock( $post->ID ); if ( $user_id ) { $user = get_userdata( $user_id ); } if ( $user ) { /* * Filters whether to show the post locked dialog. * * Returning false from the filter will prevent the dialog from being displayed. * * @since 3.6.0 * * @param bool $display Whether to display the dialog. Default true. * @param WP_Post $post Post object. * @param WP_User $user The user with the lock for the post. / if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) { return; } $locked = true; } else { $locked = false; } $sendback = wp_get_referer(); $sendback_text = __( 'Go back' ); if ( ! $locked \|\| ! $sendback \|\| str_contains( $sendback, 'post.php' ) \|\| str_contains( $sendback, 'post-new.php' ) ) { $sendback = admin_url( 'edit.php' ); if ( 'post' !== $post->post_type ) { $sendback = add_query_arg( 'post_type', $post->post_type, $sendback ); } $post_type_object = get_post_type_object( $post->post_type ); if ( $post_type_object ) { $sendback_text = $post_type_object->labels->all_items; } } $hidden = $locked ? '' : ' hidden'; ?> <div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>"> <div class="notification-dialog-background"></div> <div class="notification-dialog"> <?php if ( $locked ) { $query_args = array(); if ( get_post_type_object( $post->post_type )->public ) { if ( 'publish' === $post->post_status \|\| $user->ID !== (int) $post->post_author ) { // Latest content is in autosave. $nonce = wp_create_nonce( 'post_preview_' . $post->ID ); $query_args['preview_id'] = $post->ID; $query_args['preview_nonce'] = $nonce; } } $preview_link = get_preview_post_link( $post->ID, $query_args ); /* * Filters whether to allow the post lock to be overridden. * * Returning false from the filter will disable the ability * to override the post lock. * * @since 3.6.0 * * @param bool $override Whether to allow the post lock to be overridden. Default true. * @param WP_Post $post Post object. * @param WP_User $user The user with the lock for the post. / $override = apply_filters( 'override_post_lock', true, $post, $user ); $tab_last = $override ? '' : ' wp-tab-last'; ?> <div class="post-locked-message"> <div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div> <p class="currently-editing wp-tab-first" tabindex="0"> <?php if ( $override ) { / translators: %s: User's display name. / printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) ); } else { / translators: %s: User's display name. / printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) ); } ?> </p> <?php /* * Fires inside the post locked dialog before the buttons are displayed. * * @since 3.6.0 * @since 5.4.0 The $user parameter was added. * * @param WP_Post $post Post object. * @param WP_User $user The user with the lock for the post. / do_action( 'post_locked_dialog', $post, $user ); ?> <p> <a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a> <?php if ( $preview_link ) { ?> <a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a> <?php } // Allow plugins to prevent some users overriding the post lock. if ( $override ) { ?> <a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a> <?php } ?> </p> </div> <?php } else { ?> <div class="post-taken-over"> <div class="post-locked-avatar"></div> <p class="wp-tab-first" tabindex="0"> <span class="currently-editing"></span><br /> <span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision…' ); ?></span> <span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span> </p> <?php /* * Fires inside the dialog displayed when a user has lost the post lock. * * @since 3.6.0 * * @param WP_Post $post Post object. / do_action( 'post_lock_lost_dialog', $post ); ?> <p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p> </div> <?php } ?> </div> </div> <?php } /* * Creates autosave data for the specified post from `$_POST` data. * * @since 2.6.0 * * @param array\|int $post_data Associative array containing the post data, or integer post ID. * If a numeric post ID is provided, will use the `$_POST` superglobal. * @return int\|WP_Error The autosave revision ID. WP_Error or 0 on error. / function wp_create_post_autosave( $post_data ) { if ( is_numeric( $post_data ) ) { $post_id = $post_data; $post_data = $_POST; } else { $post_id = (int) $post_data['post_ID']; } $post_data = _wp_translate_postdata( true, $post_data ); if ( is_wp_error( $post_data ) ) { return $post_data; } $post_data = _wp_get_allowed_postdata( $post_data ); $post_author = get_current_user_id(); // Store one autosave per author. If there is already an autosave, overwrite it. $old_autosave = wp_get_post_autosave( $post_id, $post_author ); if ( $old_autosave ) { $new_autosave = _wp_post_revision_data( $post_data, true ); $new_autosave['ID'] = $old_autosave->ID; $new_autosave['post_author'] = $post_author; $post = get_post( $post_id ); // If the new autosave has the same content as the post, delete the autosave. $autosave_is_different = false; foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) { if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) { $autosave_is_different = true; break; } } if ( ! $autosave_is_different ) { wp_delete_post_revision( $old_autosave->ID ); return 0; } /* * Fires before an autosave is stored. * * @since 4.1.0 * @since 6.4.0 The `$is_update` parameter was added to indicate if the autosave is being updated or was newly created. * * @param array $new_autosave Post array - the autosave that is about to be saved. * @param bool $is_update Whether this is an existing autosave. / do_action( 'wp_creating_autosave', $new_autosave, true ); return wp_update_post( $new_autosave ); } // _wp_put_post_revision() expects unescaped. $post_data = wp_unslash( $post_data ); // Otherwise create the new autosave as a special post revision. $revision = _wp_put_post_revision( $post_data, true ); if ( ! is_wp_error( $revision ) && 0 !== $revision ) { /* This action is documented in wp-admin/includes/post.php / do_action( 'wp_creating_autosave', get_post( $revision, ARRAY_A ), false ); } return $revision; } /* * Autosaves the revisioned meta fields. * * Iterates through the revisioned meta fields and checks each to see if they are set, * and have a changed value. If so, the meta value is saved and attached to the autosave. * * @since 6.4.0 * * @param array $new_autosave The new post data being autosaved. / function wp_autosave_post_revisioned_meta_fields( $new_autosave ) { / * The post data arrives as either $_POST['data']['wp_autosave'] or the $_POST * itself. This sets $posted_data to the correct variable. * * Ignoring sanitization to avoid altering meta. Ignoring the nonce check because * this is hooked on inner core hooks where a valid nonce was already checked. / $posted_data = isset( $_POST['data']['wp_autosave'] ) ? $_POST['data']['wp_autosave'] : $_POST; $post_type = get_post_type( $new_autosave['post_parent'] ); / * Go through the revisioned meta keys and save them as part of the autosave, * if the meta key is part of the posted data, the meta value is not blank, * and the meta value has changes from the last autosaved value. / foreach ( wp_post_revision_meta_keys( $post_type ) as $meta_key ) { if ( isset( $posted_data[ $meta_key ] ) && get_post_meta( $new_autosave['ID'], $meta_key, true ) !== wp_unslash( $posted_data[ $meta_key ] ) ) { / * Use the underlying delete_metadata() and add_metadata() functions * vs delete_post_meta() and add_post_meta() to make sure we're working * with the actual revision meta. / delete_metadata( 'post', $new_autosave['ID'], $meta_key ); // One last check to ensure meta value is not empty. if ( ! empty( $posted_data[ $meta_key ] ) ) { // Add the revisions meta data to the autosave. add_metadata( 'post', $new_autosave['ID'], $meta_key, $posted_data[ $meta_key ] ); } } } } /* * Saves a draft or manually autosaves for the purpose of showing a post preview. * * @since 2.7.0 * * @return string URL to redirect to show the preview. / function post_preview() { $post_id = (int) $_POST['post_ID']; $_POST['ID'] = $post_id; $post = get_post( $post_id ); if ( ! $post ) { wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); } if ( ! current_user_can( 'edit_post', $post->ID ) ) { wp_die( __( 'Sorry, you are not allowed to edit this post.' ) ); } $is_autosave = false; if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() === (int) $post->post_author && ( 'draft' === $post->post_status \|\| 'auto-draft' === $post->post_status ) ) { $saved_post_id = edit_post(); } else { $is_autosave = true; if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) { $_POST['post_status'] = 'draft'; } $saved_post_id = wp_create_post_autosave( $post->ID ); } if ( is_wp_error( $saved_post_id ) ) { wp_die( $saved_post_id->get_error_message() ); } $query_args = array(); if ( $is_autosave && $saved_post_id ) { $query_args['preview_id'] = $post->ID; $query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID ); if ( isset( $_POST['post_format'] ) ) { $query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] ); } if ( isset( $_POST['_thumbnail_id'] ) ) { $query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id']; } } return get_preview_post_link( $post, $query_args ); } /* * Saves a post submitted with XHR. * * Intended for use with heartbeat and autosave.js * * @since 3.9.0 * * @param array $post_data Associative array of the submitted post data. * @return mixed The value 0 or WP_Error on failure. The saved post ID on success. * The ID can be the draft post_id or the autosave revision post_id. / function wp_autosave( $post_data ) { // Back-compat. if ( ! defined( 'DOING_AUTOSAVE' ) ) { define( 'DOING_AUTOSAVE', true ); } $post_id = (int) $post_data['post_id']; $post_data['ID'] = $post_id; $post_data['post_ID'] = $post_id; if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) { return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) ); } $post = get_post( $post_id ); if ( ! current_user_can( 'edit_post', $post->ID ) ) { return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) ); } if ( 'auto-draft' === $post->post_status ) { $post_data['post_status'] = 'draft'; } if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) { $post_data['post_category'] = explode( ',', $post_data['catslist'] ); } if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() === (int) $post->post_author && ( 'auto-draft' === $post->post_status \|\| 'draft' === $post->post_status ) ) { // Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked. return edit_post( wp_slash( $post_data ) ); } else { / * Non-drafts or other users' drafts are not overwritten. * The autosave is stored in a special post revision for each user. / return wp_create_post_autosave( wp_slash( $post_data ) ); } } /* * Redirects to previous page. * * @since 2.7.0 * * @param int $post_id Optional. Post ID. / function redirect_post( $post_id = '' ) { if ( isset( $_POST['save'] ) \|\| isset( $_POST['publish'] ) ) { $status = get_post_status( $post_id ); switch ( $status ) { case 'pending': $message = 8; break; case 'future': $message = 9; break; case 'draft': $message = 10; break; default: $message = isset( $_POST['publish'] ) ? 6 : 1; break; } $location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) ); } elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) { $location = add_query_arg( 'message', 2, wp_get_referer() ); $location = explode( '#', $location ); $location = $location[0] . '#postcustom'; } elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) { $location = add_query_arg( 'message', 3, wp_get_referer() ); $location = explode( '#', $location ); $location = $location[0] . '#postcustom'; } else { $location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) ); } /* * Filters the post redirect destination URL. * * @since 2.9.0 * * @param string $location The destination URL. * @param int $post_id The post ID. / wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) ); exit; } /* * Sanitizes POST values from a checkbox taxonomy metabox. * * @since 5.1.0 * * @param string $taxonomy The taxonomy name. * @param array $terms Raw term data from the 'tax_input' field. * @return int[] Array of sanitized term IDs. / function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) { return array_map( 'intval', $terms ); } /* * Sanitizes POST values from an input taxonomy metabox. * * @since 5.1.0 * * @param string $taxonomy The taxonomy name. * @param array\|string $terms Raw term data from the 'tax_input' field. * @return array / function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) { / * Assume that a 'tax_input' string is a comma-separated list of term names. * Some languages may use a character other than a comma as a delimiter, so we standardize on * commas before parsing the list. / if ( ! is_array( $terms ) ) { $comma = _x( ',', 'tag delimiter' ); if ( ',' !== $comma ) { $terms = str_replace( $comma, ',', $terms ); } $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) ); } $clean_terms = array(); foreach ( $terms as $term ) { // Empty terms are invalid input. if ( empty( $term ) ) { continue; } $_term = get_terms( array( 'taxonomy' => $taxonomy, 'name' => $term, 'fields' => 'ids', 'hide_empty' => false, ) ); if ( ! empty( $_term ) ) { $clean_terms[] = (int) $_term[0]; } else { // No existing term was found, so pass the string. A new term will be created. $clean_terms[] = $term; } } return $clean_terms; } /* * Prepares server-registered blocks for the block editor. * * Returns an associative array of registered block data keyed by block name. Data includes properties * of a block relevant for client registration. * * @since 5.0.0 * @since 6.3.0 Added `selectors` field. * @since 6.4.0 Added `block_hooks` field. * * @return array An associative array of registered block data. / function get_block_editor_server_block_settings() { $block_registry = WP_Block_Type_Registry::get_instance(); $blocks = array(); $fields_to_pick = array( 'api_version' => 'apiVersion', 'title' => 'title', 'description' => 'description', 'icon' => 'icon', 'attributes' => 'attributes', 'provides_context' => 'providesContext', 'uses_context' => 'usesContext', 'block_hooks' => 'blockHooks', 'selectors' => 'selectors', 'supports' => 'supports', 'category' => 'category', 'styles' => 'styles', 'textdomain' => 'textdomain', 'parent' => 'parent', 'ancestor' => 'ancestor', 'keywords' => 'keywords', 'example' => 'example', 'variations' => 'variations', 'allowed_blocks' => 'allowedBlocks', ); foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) { foreach ( $fields_to_pick as $field => $key ) { if ( ! isset( $block_type->{ $field } ) ) { continue; } if ( ! isset( $blocks[ $block_name ] ) ) { $blocks[ $block_name ] = array(); } $blocks[ $block_name ][ $key ] = $block_type->{ $field }; } } return $blocks; } /* * Renders the meta boxes forms. * * @since 5.0.0 * * @global WP_Post $post Global post object. * @global WP_Screen $current_screen WordPress current screen object. * @global array $wp_meta_boxes Global meta box state. / function the_block_editor_meta_boxes() { global $post, $current_screen, $wp_meta_boxes; // Handle meta box state. $_original_meta_boxes = $wp_meta_boxes; /* * Fires right before the meta boxes are rendered. * * This allows for the filtering of meta box data, that should already be * present by this point. Do not use as a means of adding meta box data. * * @since 5.0.0 * * @param array $wp_meta_boxes Global meta box state. / $wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes ); $locations = array( 'side', 'normal', 'advanced' ); $priorities = array( 'high', 'sorted', 'core', 'default', 'low' ); // Render meta boxes. ?> <form class="metabox-base-form"> <?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?> </form> <form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>"> <?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?> <input type="hidden" name="action" value="toggle-custom-fields" /> </form> <?php foreach ( $locations as $location ) : ?> <form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;"> <div id="poststuff" class="sidebar-open"> <div id="postbox-container-2" class="postbox-container"> <?php do_meta_boxes( $current_screen, $location, $post ); ?> </div> </div> </form> <?php endforeach; ?> <?php $meta_boxes_per_location = array(); foreach ( $locations as $location ) { $meta_boxes_per_location[ $location ] = array(); if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) { continue; } foreach ( $priorities as $priority ) { if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) { continue; } $meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ]; foreach ( $meta_boxes as $meta_box ) { if ( false === $meta_box \|\| ! $meta_box['title'] ) { continue; } // If a meta box is just here for back compat, don't show it in the block editor. if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) { continue; } $meta_boxes_per_location[ $location ][] = array( 'id' => $meta_box['id'], 'title' => $meta_box['title'], ); } } } / * Sadly we probably cannot add this data directly into editor settings. * * Some meta boxes need `admin_head` to fire for meta box registry. * `admin_head` fires after `admin_enqueue_scripts`, which is where we create * our editor instance. / $script = 'window._wpLoadBlockEditor.then( function() { wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' ); } );'; wp_add_inline_script( 'wp-edit-post', $script ); / * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed. * Otherwise, meta boxes will not display because inline scripts for `wp-edit-post` * will not be printed again after this point. / if ( wp_script_is( 'wp-edit-post', 'done' ) ) { printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) ); } / * If the 'postcustom' meta box is enabled, then we need to perform * some extra initialization on it. / $enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true ); if ( $enable_custom_fields ) { $script = "( function( $ ) { if ( $('#postcustom').length ) { $( '#the-list' ).wpList( { addBefore: function( s ) { s.data += '&post_id=$post->ID'; return s; }, addAfter: function() { $('table#list-table').show(); } }); } } )( jQuery );"; wp_enqueue_script( 'wp-lists' ); wp_add_inline_script( 'wp-lists', $script ); } / * Refresh nonces used by the meta box loader. * * The logic is very similar to that provided by post.js for the classic editor. / $script = "( function( $ ) { var check, timeout; function schedule() { check = false; window.clearTimeout( timeout ); timeout = window.setTimeout( function() { check = true; }, 300000 ); } $( document ).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) { var post_id, \$authCheck = $( '#wp-auth-check-wrap' ); if ( check \|\| ( \$authCheck.length && ! \$authCheck.hasClass( 'hidden' ) ) ) { if ( ( post_id = $( '#post_ID' ).val() ) && $( '#_wpnonce' ).val() ) { data['wp-refresh-metabox-loader-nonces'] = { post_id: post_id }; } } }).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) { var nonces = data['wp-refresh-metabox-loader-nonces']; if ( nonces ) { if ( nonces.replace ) { if ( nonces.replace.metabox_loader_nonce && window._wpMetaBoxUrl && wp.url ) { window._wpMetaBoxUrl= wp.url.addQueryArgs( window._wpMetaBoxUrl, { 'meta-box-loader-nonce': nonces.replace.metabox_loader_nonce } ); } if ( nonces.replace._wpnonce ) { $( '#_wpnonce' ).val( nonces.replace._wpnonce ); } } } }).ready( function() { schedule(); }); } )( jQuery );"; wp_add_inline_script( 'heartbeat', $script ); // Reset meta box data. $wp_meta_boxes = $_original_meta_boxes; } /* * Renders the hidden form required for the meta boxes form. * * @since 5.0.0 * * @param WP_Post $post Current post object. / function the_block_editor_meta_box_post_form_hidden_fields( $post ) { $form_extra = ''; if ( 'auto-draft' === $post->post_status ) { $form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />"; } $form_action = 'editpost'; $nonce_action = 'update-post_' . $post->ID; $form_extra .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />"; $referer = wp_get_referer(); $current_user = wp_get_current_user(); $user_id = $current_user->ID; wp_nonce_field( $nonce_action ); / * Some meta boxes hook into these actions to add hidden input fields in the classic post form. * For backward compatibility, we can capture the output from these actions, * and extract the hidden input fields. / ob_start(); /* This filter is documented in wp-admin/edit-form-advanced.php / do_action( 'edit_form_after_title', $post ); /* This filter is documented in wp-admin/edit-form-advanced.php / do_action( 'edit_form_advanced', $post ); $classic_output = ob_get_clean(); $classic_elements = wp_html_split( $classic_output ); $hidden_inputs = ''; foreach ( $classic_elements as $element ) { if ( ! str_starts_with( $element, '<input ' ) ) { continue; } if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) { echo $element; } } ?> <input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" /> <input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" /> <input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" /> <input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" /> <input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" /> <input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" /> <?php if ( 'draft' !== get_post_status( $post ) ) { wp_original_referer_field( true, 'previous' ); } echo $form_extra; wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false ); wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false ); // Permalink title nonce. wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false ); /* * Adds hidden input fields to the meta box save form. * * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to * the server when meta boxes are saved. * * @since 5.0.0 * * @param WP_Post $post The post that is being edited. / do_action( 'block_editor_meta_box_hidden_fields', $post ); } /* * Disables block editor for wp_navigation type posts so they can be managed via the UI. * * @since 5.9.0 * @access private * * @param bool $value Whether the CPT supports block editor or not. * @param string $post_type Post type. * @return bool Whether the block editor should be disabled or not. / function _disable_block_editor_for_navigation_post_type( $value, $post_type ) { if ( 'wp_navigation' === $post_type ) { return false; } return $value; } /* * This callback disables the content editor for wp_navigation type posts. * Content editor cannot handle wp_navigation type posts correctly. * We cannot disable the "editor" feature in the wp_navigation's CPT definition * because it disables the ability to save navigation blocks via REST API. * * @since 5.9.0 * @access private * * @param WP_Post $post An instance of WP_Post class. / function _disable_content_editor_for_navigation_post_type( $post ) { $post_type = get_post_type( $post ); if ( 'wp_navigation' !== $post_type ) { return; } remove_post_type_support( $post_type, 'editor' ); } /* * This callback enables content editor for wp_navigation type posts. * We need to enable it back because we disable it to hide * the content editor for wp_navigation type posts. * * @since 5.9.0 * @access private * * @see _disable_content_editor_for_navigation_post_type * * @param WP_Post $post An instance of WP_Post class. */ function _enable_content_editor_for_navigation_post_type( $post ) { $post_type = get_post_type( $post ); if ( 'wp_navigation' !== $post_type ) { return; } add_post_type_support( $post_type, 'editor' ); } Back

Edit File : post.php | Size : 80.28 KB

<?php
/**
 * WordPress Post Administration API.
 *
 * @package WordPress
 * @subpackage Administration
 */

/**
 * Renames `$_POST` data from form names to DB post columns.
 *
 * Manipulates `$_POST` directly.
 *
 * @since 2.6.0
 *
 * @param bool       $update    Whether the post already exists.
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return array|WP_Error Array of post data on success, WP_Error on failure.
 */
function _wp_translate_postdata( $update = false, $post_data = null ) {

if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

if ( $update ) {
		$post_data['ID'] = (int) $post_data['post_ID'];
	}

$ptype = get_post_type_object( $post_data['post_type'] );

if ( $update && ! current_user_can( 'edit_post', $post_data['ID'] ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
		} else {
			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
		}
	} elseif ( ! $update && ! current_user_can( $ptype->cap->create_posts ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
		} else {
			return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
		}
	}

if ( isset( $post_data['content'] ) ) {
		$post_data['post_content'] = $post_data['content'];
	}

if ( isset( $post_data['excerpt'] ) ) {
		$post_data['post_excerpt'] = $post_data['excerpt'];
	}

if ( isset( $post_data['parent_id'] ) ) {
		$post_data['post_parent'] = (int) $post_data['parent_id'];
	}

if ( isset( $post_data['trackback_url'] ) ) {
		$post_data['to_ping'] = $post_data['trackback_url'];
	}

$post_data['user_ID'] = get_current_user_id();

if ( ! empty( $post_data['post_author_override'] ) ) {
		$post_data['post_author'] = (int) $post_data['post_author_override'];
	} else {
		if ( ! empty( $post_data['post_author'] ) ) {
			$post_data['post_author'] = (int) $post_data['post_author'];
		} else {
			$post_data['post_author'] = (int) $post_data['user_ID'];
		}
	}

if ( isset( $post_data['user_ID'] ) && ( $post_data['post_author'] !== $post_data['user_ID'] )
		&& ! current_user_can( $ptype->cap->edit_others_posts ) ) {

if ( $update ) {
			if ( 'page' === $post_data['post_type'] ) {
				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to edit pages as this user.' ) );
			} else {
				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to edit posts as this user.' ) );
			}
		} else {
			if ( 'page' === $post_data['post_type'] ) {
				return new WP_Error( 'edit_others_pages', __( 'Sorry, you are not allowed to create pages as this user.' ) );
			} else {
				return new WP_Error( 'edit_others_posts', __( 'Sorry, you are not allowed to create posts as this user.' ) );
			}
		}
	}

if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

// No longer an auto-draft.
		if ( 'auto-draft' === $post_data['post_status'] ) {
			$post_data['post_status'] = 'draft';
		}

if ( ! get_post_status_object( $post_data['post_status'] ) ) {
			unset( $post_data['post_status'] );
		}
	}

// What to do based on which button they pressed.
	if ( isset( $post_data['saveasdraft'] ) && '' !== $post_data['saveasdraft'] ) {
		$post_data['post_status'] = 'draft';
	}
	if ( isset( $post_data['saveasprivate'] ) && '' !== $post_data['saveasprivate'] ) {
		$post_data['post_status'] = 'private';
	}
	if ( isset( $post_data['publish'] ) && ( '' !== $post_data['publish'] )
		&& ( ! isset( $post_data['post_status'] ) || 'private' !== $post_data['post_status'] )
	) {
		$post_data['post_status'] = 'publish';
	}
	if ( isset( $post_data['advanced'] ) && '' !== $post_data['advanced'] ) {
		$post_data['post_status'] = 'draft';
	}
	if ( isset( $post_data['pending'] ) && '' !== $post_data['pending'] ) {
		$post_data['post_status'] = 'pending';
	}

if ( isset( $post_data['ID'] ) ) {
		$post_id = $post_data['ID'];
	} else {
		$post_id = false;
	}
	$previous_status = $post_id ? get_post_field( 'post_status', $post_id ) : false;

if ( isset( $post_data['post_status'] ) && 'private' === $post_data['post_status'] && ! current_user_can( $ptype->cap->publish_posts ) ) {
		$post_data['post_status'] = $previous_status ? $previous_status : 'pending';
	}

$published_statuses = array( 'publish', 'future' );

/*
	 * Posts 'submitted for approval' are submitted to $_POST the same as if they were being published.
	 * Change status from 'publish' to 'pending' if user lacks permissions to publish or to resave published posts.
	 */
	if ( isset( $post_data['post_status'] )
		&& ( in_array( $post_data['post_status'], $published_statuses, true )
		&& ! current_user_can( $ptype->cap->publish_posts ) )
	) {
		if ( ! in_array( $previous_status, $published_statuses, true ) || ! current_user_can( 'edit_post', $post_id ) ) {
			$post_data['post_status'] = 'pending';
		}
	}

if ( ! isset( $post_data['post_status'] ) ) {
		$post_data['post_status'] = 'auto-draft' === $previous_status ? 'draft' : $previous_status;
	}

if ( isset( $post_data['post_password'] ) && ! current_user_can( $ptype->cap->publish_posts ) ) {
		unset( $post_data['post_password'] );
	}

if ( ! isset( $post_data['comment_status'] ) ) {
		$post_data['comment_status'] = 'closed';
	}

if ( ! isset( $post_data['ping_status'] ) ) {
		$post_data['ping_status'] = 'closed';
	}

foreach ( array( 'aa', 'mm', 'jj', 'hh', 'mn' ) as $timeunit ) {
		if ( ! empty( $post_data[ 'hidden_' . $timeunit ] ) && $post_data[ 'hidden_' . $timeunit ] !== $post_data[ $timeunit ] ) {
			$post_data['edit_date'] = '1';
			break;
		}
	}

if ( ! empty( $post_data['edit_date'] ) ) {
		$aa = $post_data['aa'];
		$mm = $post_data['mm'];
		$jj = $post_data['jj'];
		$hh = $post_data['hh'];
		$mn = $post_data['mn'];
		$ss = $post_data['ss'];
		$aa = ( $aa <= 0 ) ? gmdate( 'Y' ) : $aa;
		$mm = ( $mm <= 0 ) ? gmdate( 'n' ) : $mm;
		$jj = ( $jj > 31 ) ? 31 : $jj;
		$jj = ( $jj <= 0 ) ? gmdate( 'j' ) : $jj;
		$hh = ( $hh > 23 ) ? $hh - 24 : $hh;
		$mn = ( $mn > 59 ) ? $mn - 60 : $mn;
		$ss = ( $ss > 59 ) ? $ss - 60 : $ss;

$post_data['post_date'] = sprintf( '%04d-%02d-%02d %02d:%02d:%02d', $aa, $mm, $jj, $hh, $mn, $ss );

$valid_date = wp_checkdate( $mm, $jj, $aa, $post_data['post_date'] );
		if ( ! $valid_date ) {
			return new WP_Error( 'invalid_date', __( 'Invalid date.' ) );
		}

/*
		 * Only assign a post date if the user has explicitly set a new value.
		 * See #59125 and #19907.
		 */
		$previous_date = $post_id ? get_post_field( 'post_date', $post_id ) : false;
		if ( $previous_date && $previous_date !== $post_data['post_date'] ) {
			$post_data['edit_date']     = true;
			$post_data['post_date_gmt'] = get_gmt_from_date( $post_data['post_date'] );
		} else {
			$post_data['edit_date'] = false;
			unset( $post_data['post_date'] );
			unset( $post_data['post_date_gmt'] );
		}
	}

if ( isset( $post_data['post_category'] ) ) {
		$category_object = get_taxonomy( 'category' );
		if ( ! current_user_can( $category_object->cap->assign_terms ) ) {
			unset( $post_data['post_category'] );
		}
	}

return $post_data;
}

/**
 * Returns only allowed post data fields.
 *
 * @since 5.0.1
 *
 * @param array|WP_Error|null $post_data The array of post data to process, or an error object.
 *                                       Defaults to the `$_POST` superglobal.
 * @return array|WP_Error Array of post data on success, WP_Error on failure.
 */
function _wp_get_allowed_postdata( $post_data = null ) {
	if ( empty( $post_data ) ) {
		$post_data = $_POST;
	}

// Pass through errors.
	if ( is_wp_error( $post_data ) ) {
		return $post_data;
	}

return array_diff_key( $post_data, array_flip( array( 'meta_input', 'file', 'guid' ) ) );
}

/**
 * Updates an existing post with values provided in `$_POST`.
 *
 * If post data is passed as an argument, it is treated as an array of data
 * keyed appropriately for turning into a post object.
 *
 * If post data is not passed, the `$_POST` global variable is used instead.
 *
 * @since 1.5.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return int Post ID.
 */
function edit_post( $post_data = null ) {
	global $wpdb;

if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

// Clear out any data in internal vars.
	unset( $post_data['filter'] );

$post_id = (int) $post_data['post_ID'];
	$post    = get_post( $post_id );

$post_data['post_type']      = $post->post_type;
	$post_data['post_mime_type'] = $post->post_mime_type;

if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

if ( 'inherit' === $post_data['post_status'] ) {
			unset( $post_data['post_status'] );
		}
	}

$ptype = get_post_type_object( $post_data['post_type'] );
	if ( ! current_user_can( 'edit_post', $post_id ) ) {
		if ( 'page' === $post_data['post_type'] ) {
			wp_die( __( 'Sorry, you are not allowed to edit this page.' ) );
		} else {
			wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
		}
	}

if ( post_type_supports( $ptype->name, 'revisions' ) ) {
		$revisions = wp_get_post_revisions(
			$post_id,
			array(
				'order'          => 'ASC',
				'posts_per_page' => 1,
			)
		);
		$revision  = current( $revisions );

// Check if the revisions have been upgraded.
		if ( $revisions && _wp_get_post_revision_version( $revision ) < 1 ) {
			_wp_upgrade_revisions_of_post( $post, wp_get_post_revisions( $post_id ) );
		}
	}

if ( isset( $post_data['visibility'] ) ) {
		switch ( $post_data['visibility'] ) {
			case 'public':
				$post_data['post_password'] = '';
				break;
			case 'password':
				unset( $post_data['sticky'] );
				break;
			case 'private':
				$post_data['post_status']   = 'private';
				$post_data['post_password'] = '';
				unset( $post_data['sticky'] );
				break;
		}
	}

$post_data = _wp_translate_postdata( true, $post_data );
	if ( is_wp_error( $post_data ) ) {
		wp_die( $post_data->get_error_message() );
	}
	$translated = _wp_get_allowed_postdata( $post_data );

// Post formats.
	if ( isset( $post_data['post_format'] ) ) {
		set_post_format( $post_id, $post_data['post_format'] );
	}

$format_meta_urls = array( 'url', 'link_url', 'quote_source_url' );
	foreach ( $format_meta_urls as $format_meta_url ) {
		$keyed = '_format_' . $format_meta_url;
		if ( isset( $post_data[ $keyed ] ) ) {
			update_post_meta( $post_id, $keyed, wp_slash( sanitize_url( wp_unslash( $post_data[ $keyed ] ) ) ) );
		}
	}

$format_keys = array( 'quote', 'quote_source_name', 'image', 'gallery', 'audio_embed', 'video_embed' );

foreach ( $format_keys as $key ) {
		$keyed = '_format_' . $key;
		if ( isset( $post_data[ $keyed ] ) ) {
			if ( current_user_can( 'unfiltered_html' ) ) {
				update_post_meta( $post_id, $keyed, $post_data[ $keyed ] );
			} else {
				update_post_meta( $post_id, $keyed, wp_filter_post_kses( $post_data[ $keyed ] ) );
			}
		}
	}

if ( 'attachment' === $post_data['post_type'] && preg_match( '#^(audio|video)/#', $post_data['post_mime_type'] ) ) {
		$id3data = wp_get_attachment_metadata( $post_id );
		if ( ! is_array( $id3data ) ) {
			$id3data = array();
		}

foreach ( wp_get_attachment_id3_keys( $post, 'edit' ) as $key => $label ) {
			if ( isset( $post_data[ 'id3_' . $key ] ) ) {
				$id3data[ $key ] = sanitize_text_field( wp_unslash( $post_data[ 'id3_' . $key ] ) );
			}
		}
		wp_update_attachment_metadata( $post_id, $id3data );
	}

// Meta stuff.
	if ( isset( $post_data['meta'] ) && $post_data['meta'] ) {
		foreach ( $post_data['meta'] as $key => $value ) {
			$meta = get_post_meta_by_id( $key );
			if ( ! $meta ) {
				continue;
			}

if ( (int) $meta->post_id !== $post_id ) {
				continue;
			}

if ( is_protected_meta( $meta->meta_key, 'post' )
				|| ! current_user_can( 'edit_post_meta', $post_id, $meta->meta_key )
			) {
				continue;
			}

if ( is_protected_meta( $value['key'], 'post' )
				|| ! current_user_can( 'edit_post_meta', $post_id, $value['key'] )
			) {
				continue;
			}

update_meta( $key, $value['key'], $value['value'] );
		}
	}

if ( isset( $post_data['deletemeta'] ) && $post_data['deletemeta'] ) {
		foreach ( $post_data['deletemeta'] as $key => $value ) {
			$meta = get_post_meta_by_id( $key );
			if ( ! $meta ) {
				continue;
			}

if ( (int) $meta->post_id !== $post_id ) {
				continue;
			}

if ( is_protected_meta( $meta->meta_key, 'post' )
				|| ! current_user_can( 'delete_post_meta', $post_id, $meta->meta_key )
			) {
				continue;
			}

delete_meta( $key );
		}
	}

// Attachment stuff.
	if ( 'attachment' === $post_data['post_type'] ) {
		if ( isset( $post_data['_wp_attachment_image_alt'] ) ) {
			$image_alt = wp_unslash( $post_data['_wp_attachment_image_alt'] );

if ( get_post_meta( $post_id, '_wp_attachment_image_alt', true ) !== $image_alt ) {
				$image_alt = wp_strip_all_tags( $image_alt, true );

// update_post_meta() expects slashed.
				update_post_meta( $post_id, '_wp_attachment_image_alt', wp_slash( $image_alt ) );
			}
		}

$attachment_data = isset( $post_data['attachments'][ $post_id ] ) ? $post_data['attachments'][ $post_id ] : array();

/** This filter is documented in wp-admin/includes/media.php */
		$translated = apply_filters( 'attachment_fields_to_save', $translated, $attachment_data );
	}

// Convert taxonomy input to term IDs, to avoid ambiguity.
	if ( isset( $post_data['tax_input'] ) ) {
		foreach ( (array) $post_data['tax_input'] as $taxonomy => $terms ) {
			$tax_object = get_taxonomy( $taxonomy );

if ( $tax_object && isset( $tax_object->meta_box_sanitize_cb ) ) {
				$translated['tax_input'][ $taxonomy ] = call_user_func_array( $tax_object->meta_box_sanitize_cb, array( $taxonomy, $terms ) );
			}
		}
	}

add_meta( $post_id );

update_post_meta( $post_id, '_edit_last', get_current_user_id() );

$success = wp_update_post( $translated );

// If the save failed, see if we can confidence check the main fields and try again.
	if ( ! $success && is_callable( array( $wpdb, 'strip_invalid_text_for_column' ) ) ) {
		$fields = array( 'post_title', 'post_content', 'post_excerpt' );

foreach ( $fields as $field ) {
			if ( isset( $translated[ $field ] ) ) {
				$translated[ $field ] = $wpdb->strip_invalid_text_for_column( $wpdb->posts, $field, $translated[ $field ] );
			}
		}

wp_update_post( $translated );
	}

// Now that we have an ID we can fix any attachment anchor hrefs.
	_fix_attachment_links( $post_id );

wp_set_post_lock( $post_id );

if ( current_user_can( $ptype->cap->edit_others_posts ) && current_user_can( $ptype->cap->publish_posts ) ) {
		if ( ! empty( $post_data['sticky'] ) ) {
			stick_post( $post_id );
		} else {
			unstick_post( $post_id );
		}
	}

return $post_id;
}

/**
 * Processes the post data for the bulk editing of posts.
 *
 * Updates all bulk edited posts/pages, adding (but not removing) tags and
 * categories. Skips pages when they would be their own parent or child.
 *
 * @since 2.7.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param array|null $post_data Optional. The array of post data to process.
 *                              Defaults to the `$_POST` superglobal.
 * @return array {
 *     An array of updated, skipped, and locked post IDs.
 *
 *     @type int[] $updated An array of updated post IDs.
 *     @type int[] $skipped An array of skipped post IDs.
 *     @type int[] $locked  An array of locked post IDs.
 * }
 */
function bulk_edit_posts( $post_data = null ) {
	global $wpdb;

if ( empty( $post_data ) ) {
		$post_data = &$_POST;
	}

if ( isset( $post_data['post_type'] ) ) {
		$ptype = get_post_type_object( $post_data['post_type'] );
	} else {
		$ptype = get_post_type_object( 'post' );
	}

if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
		if ( 'page' === $ptype->name ) {
			wp_die( __( 'Sorry, you are not allowed to edit pages.' ) );
		} else {
			wp_die( __( 'Sorry, you are not allowed to edit posts.' ) );
		}
	}

if ( '-1' === $post_data['_status'] ) {
		$post_data['post_status'] = null;
		unset( $post_data['post_status'] );
	} else {
		$post_data['post_status'] = $post_data['_status'];
	}
	unset( $post_data['_status'] );

if ( ! empty( $post_data['post_status'] ) ) {
		$post_data['post_status'] = sanitize_key( $post_data['post_status'] );

if ( 'inherit' === $post_data['post_status'] ) {
			unset( $post_data['post_status'] );
		}
	}

$post_ids = array_map( 'intval', (array) $post_data['post'] );

$reset = array(
		'post_author',
		'post_status',
		'post_password',
		'post_parent',
		'page_template',
		'comment_status',
		'ping_status',
		'keep_private',
		'tax_input',
		'post_category',
		'sticky',
		'post_format',
	);

foreach ( $reset as $field ) {
		if ( isset( $post_data[ $field ] ) && ( '' === $post_data[ $field ] || '-1' === $post_data[ $field ] ) ) {
			unset( $post_data[ $field ] );
		}
	}

if ( isset( $post_data['post_category'] ) ) {
		if ( is_array( $post_data['post_category'] ) && ! empty( $post_data['post_category'] ) ) {
			$new_cats = array_map( 'absint', $post_data['post_category'] );
		} else {
			unset( $post_data['post_category'] );
		}
	}

$tax_input = array();
	if ( isset( $post_data['tax_input'] ) ) {
		foreach ( $post_data['tax_input'] as $tax_name => $terms ) {
			if ( empty( $terms ) ) {
				continue;
			}

if ( is_taxonomy_hierarchical( $tax_name ) ) {
				$tax_input[ $tax_name ] = array_map( 'absint', $terms );
			} else {
				$comma = _x( ',', 'tag delimiter' );
				if ( ',' !== $comma ) {
					$terms = str_replace( $comma, ',', $terms );
				}
				$tax_input[ $tax_name ] = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
			}
		}
	}

if ( isset( $post_data['post_parent'] ) && (int) $post_data['post_parent'] ) {
		$parent   = (int) $post_data['post_parent'];
		$pages    = $wpdb->get_results( "SELECT ID, post_parent FROM $wpdb->posts WHERE post_type = 'page'" );
		$children = array();

for ( $i = 0; $i < 50 && $parent > 0; $i++ ) {
			$children[] = $parent;

foreach ( $pages as $page ) {
				if ( (int) $page->ID === $parent ) {
					$parent = (int) $page->post_parent;
					break;
				}
			}
		}
	}

$updated          = array();
	$skipped          = array();
	$locked           = array();
	$shared_post_data = $post_data;

foreach ( $post_ids as $post_id ) {
		// Start with fresh post data with each iteration.
		$post_data = $shared_post_data;

$post_type_object = get_post_type_object( get_post_type( $post_id ) );

if ( ! isset( $post_type_object )
			|| ( isset( $children ) && in_array( $post_id, $children, true ) )
			|| ! current_user_can( 'edit_post', $post_id )
		) {
			$skipped[] = $post_id;
			continue;
		}

if ( wp_check_post_lock( $post_id ) ) {
			$locked[] = $post_id;
			continue;
		}

$post      = get_post( $post_id );
		$tax_names = get_object_taxonomies( $post );

foreach ( $tax_names as $tax_name ) {
			$taxonomy_obj = get_taxonomy( $tax_name );

if ( ! $taxonomy_obj->show_in_quick_edit ) {
				continue;
			}

if ( isset( $tax_input[ $tax_name ] ) && current_user_can( $taxonomy_obj->cap->assign_terms ) ) {
				$new_terms = $tax_input[ $tax_name ];
			} else {
				$new_terms = array();
			}

if ( $taxonomy_obj->hierarchical ) {
				$current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'ids' ) );
			} else {
				$current_terms = (array) wp_get_object_terms( $post_id, $tax_name, array( 'fields' => 'names' ) );
			}

$post_data['tax_input'][ $tax_name ] = array_merge( $current_terms, $new_terms );
		}

if ( isset( $new_cats ) && in_array( 'category', $tax_names, true ) ) {
			$cats = (array) wp_get_post_categories( $post_id );

if (
				isset( $post_data['indeterminate_post_category'] )
				&& is_array( $post_data['indeterminate_post_category'] )
			) {
				$indeterminate_post_category = $post_data['indeterminate_post_category'];
			} else {
				$indeterminate_post_category = array();
			}

$indeterminate_cats         = array_intersect( $cats, $indeterminate_post_category );
			$determinate_cats           = array_diff( $new_cats, $indeterminate_post_category );
			$post_data['post_category'] = array_unique( array_merge( $indeterminate_cats, $determinate_cats ) );

unset( $post_data['tax_input']['category'] );
		}

$post_data['post_ID']        = $post_id;
		$post_data['post_type']      = $post->post_type;
		$post_data['post_mime_type'] = $post->post_mime_type;

foreach ( array( 'comment_status', 'ping_status', 'post_author' ) as $field ) {
			if ( ! isset( $post_data[ $field ] ) ) {
				$post_data[ $field ] = $post->$field;
			}
		}

$post_data = _wp_translate_postdata( true, $post_data );
		if ( is_wp_error( $post_data ) ) {
			$skipped[] = $post_id;
			continue;
		}
		$post_data = _wp_get_allowed_postdata( $post_data );

if ( isset( $shared_post_data['post_format'] ) ) {
			set_post_format( $post_id, $shared_post_data['post_format'] );
		}

// Prevent wp_insert_post() from overwriting post format with the old data.
		unset( $post_data['tax_input']['post_format'] );

// Reset post date of scheduled post to be published.
		if (
			in_array( $post->post_status, array( 'future', 'draft' ), true ) &&
			'publish' === $post_data['post_status']
		) {
			$post_data['post_date']     = current_time( 'mysql' );
			$post_data['post_date_gmt'] = '';
		}

$post_id = wp_update_post( $post_data );
		update_post_meta( $post_id, '_edit_last', get_current_user_id() );
		$updated[] = $post_id;

if ( isset( $post_data['sticky'] ) && current_user_can( $ptype->cap->edit_others_posts ) ) {
			if ( 'sticky' === $post_data['sticky'] ) {
				stick_post( $post_id );
			} else {
				unstick_post( $post_id );
			}
		}
	}

/**
	 * Fires after processing the post data for bulk edit.
	 *
	 * @since 6.3.0
	 *
	 * @param int[] $updated          An array of updated post IDs.
	 * @param array $shared_post_data Associative array containing the post data.
	 */
	do_action( 'bulk_edit_posts', $updated, $shared_post_data );

return array(
		'updated' => $updated,
		'skipped' => $skipped,
		'locked'  => $locked,
	);
}

/**
 * Returns default post information to use when populating the "Write Post" form.
 *
 * @since 2.0.0
 *
 * @param string $post_type    Optional. A post type string. Default 'post'.
 * @param bool   $create_in_db Optional. Whether to insert the post into database. Default false.
 * @return WP_Post Post object containing all the default post data as attributes
 */
function get_default_post_to_edit( $post_type = 'post', $create_in_db = false ) {
	$post_title = '';
	if ( ! empty( $_REQUEST['post_title'] ) ) {
		$post_title = esc_html( wp_unslash( $_REQUEST['post_title'] ) );
	}

$post_content = '';
	if ( ! empty( $_REQUEST['content'] ) ) {
		$post_content = esc_html( wp_unslash( $_REQUEST['content'] ) );
	}

$post_excerpt = '';
	if ( ! empty( $_REQUEST['excerpt'] ) ) {
		$post_excerpt = esc_html( wp_unslash( $_REQUEST['excerpt'] ) );
	}

if ( $create_in_db ) {
		$post_id = wp_insert_post(
			array(
				'post_title'  => __( 'Auto Draft' ),
				'post_type'   => $post_type,
				'post_status' => 'auto-draft',
			),
			false,
			false
		);
		$post    = get_post( $post_id );
		if ( current_theme_supports( 'post-formats' ) && post_type_supports( $post->post_type, 'post-formats' ) && get_option( 'default_post_format' ) ) {
			set_post_format( $post, get_option( 'default_post_format' ) );
		}
		wp_after_insert_post( $post, false, null );

// Schedule auto-draft cleanup.
		if ( ! wp_next_scheduled( 'wp_scheduled_auto_draft_delete' ) ) {
			wp_schedule_event( time(), 'daily', 'wp_scheduled_auto_draft_delete' );
		}
	} else {
		$post                 = new stdClass();
		$post->ID             = 0;
		$post->post_author    = '';
		$post->post_date      = '';
		$post->post_date_gmt  = '';
		$post->post_password  = '';
		$post->post_name      = '';
		$post->post_type      = $post_type;
		$post->post_status    = 'draft';
		$post->to_ping        = '';
		$post->pinged         = '';
		$post->comment_status = get_default_comment_status( $post_type );
		$post->ping_status    = get_default_comment_status( $post_type, 'pingback' );
		$post->post_pingback  = get_option( 'default_pingback_flag' );
		$post->post_category  = get_option( 'default_category' );
		$post->page_template  = 'default';
		$post->post_parent    = 0;
		$post->menu_order     = 0;
		$post                 = new WP_Post( $post );
	}

/**
	 * Filters the default post content initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_content Default post content.
	 * @param WP_Post $post         Post object.
	 */
	$post->post_content = (string) apply_filters( 'default_content', $post_content, $post );

/**
	 * Filters the default post title initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_title Default post title.
	 * @param WP_Post $post       Post object.
	 */
	$post->post_title = (string) apply_filters( 'default_title', $post_title, $post );

/**
	 * Filters the default post excerpt initially used in the "Write Post" form.
	 *
	 * @since 1.5.0
	 *
	 * @param string  $post_excerpt Default post excerpt.
	 * @param WP_Post $post         Post object.
	 */
	$post->post_excerpt = (string) apply_filters( 'default_excerpt', $post_excerpt, $post );

return $post;
}

/**
 * Determines if a post exists based on title, content, date and type.
 *
 * @since 2.0.0
 * @since 5.2.0 Added the `$type` parameter.
 * @since 5.8.0 Added the `$status` parameter.
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param string $title   Post title.
 * @param string $content Optional. Post content.
 * @param string $date    Optional. Post date.
 * @param string $type    Optional. Post type.
 * @param string $status  Optional. Post status.
 * @return int Post ID if post exists, 0 otherwise.
 */
function post_exists( $title, $content = '', $date = '', $type = '', $status = '' ) {
	global $wpdb;

$post_title   = wp_unslash( sanitize_post_field( 'post_title', $title, 0, 'db' ) );
	$post_content = wp_unslash( sanitize_post_field( 'post_content', $content, 0, 'db' ) );
	$post_date    = wp_unslash( sanitize_post_field( 'post_date', $date, 0, 'db' ) );
	$post_type    = wp_unslash( sanitize_post_field( 'post_type', $type, 0, 'db' ) );
	$post_status  = wp_unslash( sanitize_post_field( 'post_status', $status, 0, 'db' ) );

$query = "SELECT ID FROM $wpdb->posts WHERE 1=1";
	$args  = array();

if ( ! empty( $date ) ) {
		$query .= ' AND post_date = %s';
		$args[] = $post_date;
	}

if ( ! empty( $title ) ) {
		$query .= ' AND post_title = %s';
		$args[] = $post_title;
	}

if ( ! empty( $content ) ) {
		$query .= ' AND post_content = %s';
		$args[] = $post_content;
	}

if ( ! empty( $type ) ) {
		$query .= ' AND post_type = %s';
		$args[] = $post_type;
	}

if ( ! empty( $status ) ) {
		$query .= ' AND post_status = %s';
		$args[] = $post_status;
	}

if ( ! empty( $args ) ) {
		return (int) $wpdb->get_var( $wpdb->prepare( $query, $args ) );
	}

return 0;
}

/**
 * Creates a new post from the "Write Post" form using `$_POST` information.
 *
 * @since 2.1.0
 *
 * @global WP_User $current_user
 *
 * @return int|WP_Error Post ID on success, WP_Error on failure.
 */
function wp_write_post() {
	if ( isset( $_POST['post_type'] ) ) {
		$ptype = get_post_type_object( $_POST['post_type'] );
	} else {
		$ptype = get_post_type_object( 'post' );
	}

if ( ! current_user_can( $ptype->cap->edit_posts ) ) {
		if ( 'page' === $ptype->name ) {
			return new WP_Error( 'edit_pages', __( 'Sorry, you are not allowed to create pages on this site.' ) );
		} else {
			return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to create posts or drafts on this site.' ) );
		}
	}

$_POST['post_mime_type'] = '';

// Clear out any data in internal vars.
	unset( $_POST['filter'] );

// Edit, don't write, if we have a post ID.
	if ( isset( $_POST['post_ID'] ) ) {
		return edit_post();
	}

if ( isset( $_POST['visibility'] ) ) {
		switch ( $_POST['visibility'] ) {
			case 'public':
				$_POST['post_password'] = '';
				break;
			case 'password':
				unset( $_POST['sticky'] );
				break;
			case 'private':
				$_POST['post_status']   = 'private';
				$_POST['post_password'] = '';
				unset( $_POST['sticky'] );
				break;
		}
	}

$translated = _wp_translate_postdata( false );
	if ( is_wp_error( $translated ) ) {
		return $translated;
	}
	$translated = _wp_get_allowed_postdata( $translated );

// Create the post.
	$post_id = wp_insert_post( $translated );
	if ( is_wp_error( $post_id ) ) {
		return $post_id;
	}

if ( empty( $post_id ) ) {
		return 0;
	}

add_meta( $post_id );

add_post_meta( $post_id, '_edit_last', $GLOBALS['current_user']->ID );

// Now that we have an ID we can fix any attachment anchor hrefs.
	_fix_attachment_links( $post_id );

wp_set_post_lock( $post_id );

return $post_id;
}

/**
 * Calls wp_write_post() and handles the errors.
 *
 * @since 2.0.0
 *
 * @return int|void Post ID on success, void on failure.
 */
function write_post() {
	$result = wp_write_post();
	if ( is_wp_error( $result ) ) {
		wp_die( $result->get_error_message() );
	} else {
		return $result;
	}
}

//
// Post Meta.
//

/**
 * Adds post meta data defined in the `$_POST` superglobal for a post with given ID.
 *
 * @since 1.2.0
 *
 * @param int $post_id
 * @return int|bool
 */
function add_meta( $post_id ) {
	$post_id = (int) $post_id;

$metakeyselect = isset( $_POST['metakeyselect'] ) ? wp_unslash( trim( $_POST['metakeyselect'] ) ) : '';
	$metakeyinput  = isset( $_POST['metakeyinput'] ) ? wp_unslash( trim( $_POST['metakeyinput'] ) ) : '';
	$metavalue     = isset( $_POST['metavalue'] ) ? $_POST['metavalue'] : '';
	if ( is_string( $metavalue ) ) {
		$metavalue = trim( $metavalue );
	}

if ( ( ( '#NONE#' !== $metakeyselect ) && ! empty( $metakeyselect ) ) || ! empty( $metakeyinput ) ) {
		/*
		 * We have a key/value pair. If both the select and the input
		 * for the key have data, the input takes precedence.
		 */
		if ( '#NONE#' !== $metakeyselect ) {
			$metakey = $metakeyselect;
		}

if ( $metakeyinput ) {
			$metakey = $metakeyinput; // Default.
		}

if ( is_protected_meta( $metakey, 'post' ) || ! current_user_can( 'add_post_meta', $post_id, $metakey ) ) {
			return false;
		}

$metakey = wp_slash( $metakey );

return add_post_meta( $post_id, $metakey, $metavalue );
	}

return false;
}

/**
 * Deletes post meta data by meta ID.
 *
 * @since 1.2.0
 *
 * @param int $mid
 * @return bool
 */
function delete_meta( $mid ) {
	return delete_metadata_by_mid( 'post', $mid );
}

/**
 * Returns a list of previously defined keys.
 *
 * @since 1.2.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @return string[] Array of meta key names.
 */
function get_meta_keys() {
	global $wpdb;

$keys = $wpdb->get_col(
		"SELECT meta_key
		FROM $wpdb->postmeta
		GROUP BY meta_key
		ORDER BY meta_key"
	);

return $keys;
}

/**
 * Returns post meta data by meta ID.
 *
 * @since 2.1.0
 *
 * @param int $mid
 * @return object|bool
 */
function get_post_meta_by_id( $mid ) {
	return get_metadata_by_mid( 'post', $mid );
}

/**
 * Returns meta data for the given post ID.
 *
 * @since 1.2.0
 *
 * @global wpdb $wpdb WordPress database abstraction object.
 *
 * @param int $post_id A post ID.
 * @return array[] {
 *     Array of meta data arrays for the given post ID.
 *
 *     @type array ...$0 {
 *         Associative array of meta data.
 *
 *         @type string $meta_key   Meta key.
 *         @type mixed  $meta_value Meta value.
 *         @type string $meta_id    Meta ID as a numeric string.
 *         @type string $post_id    Post ID as a numeric string.
 *     }
 * }
 */
function has_meta( $post_id ) {
	global $wpdb;

return $wpdb->get_results(
		$wpdb->prepare(
			"SELECT meta_key, meta_value, meta_id, post_id
			FROM $wpdb->postmeta WHERE post_id = %d
			ORDER BY meta_key,meta_id",
			$post_id
		),
		ARRAY_A
	);
}

/**
 * Updates post meta data by meta ID.
 *
 * @since 1.2.0
 *
 * @param int    $meta_id    Meta ID.
 * @param string $meta_key   Meta key. Expect slashed.
 * @param string $meta_value Meta value. Expect slashed.
 * @return bool
 */
function update_meta( $meta_id, $meta_key, $meta_value ) {
	$meta_key   = wp_unslash( $meta_key );
	$meta_value = wp_unslash( $meta_value );

return update_metadata_by_mid( 'post', $meta_id, $meta_value, $meta_key );
}

//
// Private.
//

/**
 * Replaces hrefs of attachment anchors with up-to-date permalinks.
 *
 * @since 2.3.0
 * @access private
 *
 * @param int|WP_Post $post Post ID or post object.
 * @return void|int|WP_Error Void if nothing fixed. 0 or WP_Error on update failure. The post ID on update success.
 */
function _fix_attachment_links( $post ) {
	$post    = get_post( $post, ARRAY_A );
	$content = $post['post_content'];

// Don't run if no pretty permalinks or post is not published, scheduled, or privately published.
	if ( ! get_option( 'permalink_structure' ) || ! in_array( $post['post_status'], array( 'publish', 'future', 'private' ), true ) ) {
		return;
	}

// Short if there aren't any links or no '?attachment_id=' strings (strpos cannot be zero).
	if ( ! strpos( $content, '?attachment_id=' ) || ! preg_match_all( '/<a ([^>]+)>[\s\S]+?<\/a>/', $content, $link_matches ) ) {
		return;
	}

$site_url = get_bloginfo( 'url' );
	$site_url = substr( $site_url, (int) strpos( $site_url, '://' ) ); // Remove the http(s).
	$replace  = '';

foreach ( $link_matches[1] as $key => $value ) {
		if ( ! strpos( $value, '?attachment_id=' ) || ! strpos( $value, 'wp-att-' )
			|| ! preg_match( '/href=(["\'])[^"\']*\?attachment_id=(\d+)[^"\']*\\1/', $value, $url_match )
			|| ! preg_match( '/rel=["\'][^"\']*wp-att-(\d+)/', $value, $rel_match ) ) {
				continue;
		}

$quote  = $url_match[1]; // The quote (single or double).
		$url_id = (int) $url_match[2];
		$rel_id = (int) $rel_match[1];

if ( ! $url_id || ! $rel_id || $url_id !== $rel_id || ! str_contains( $url_match[0], $site_url ) ) {
			continue;
		}

$link    = $link_matches[0][ $key ];
		$replace = str_replace( $url_match[0], 'href=' . $quote . get_attachment_link( $url_id ) . $quote, $link );

$content = str_replace( $link, $replace, $content );
	}

if ( $replace ) {
		$post['post_content'] = $content;
		// Escape data pulled from DB.
		$post = add_magic_quotes( $post );

return wp_update_post( $post );
	}
}

/**
 * Returns all the possible statuses for a post type.
 *
 * @since 2.5.0
 *
 * @param string $type The post_type you want the statuses for. Default 'post'.
 * @return string[] An array of all the statuses for the supplied post type.
 */
function get_available_post_statuses( $type = 'post' ) {
	$statuses = wp_count_posts( $type );

return array_keys( get_object_vars( $statuses ) );
}

/**
 * Runs the query to fetch the posts for listing on the edit posts page.
 *
 * @since 2.5.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return string[] An array of all the statuses for the queried post type.
 */
function wp_edit_posts_query( $q = false ) {
	if ( false === $q ) {
		$q = $_GET;
	}

$q['m']   = isset( $q['m'] ) ? (int) $q['m'] : 0;
	$q['cat'] = isset( $q['cat'] ) ? (int) $q['cat'] : 0;

$post_statuses = get_post_stati();

if ( isset( $q['post_type'] ) && in_array( $q['post_type'], get_post_types(), true ) ) {
		$post_type = $q['post_type'];
	} else {
		$post_type = 'post';
	}

$avail_post_stati = get_available_post_statuses( $post_type );
	$post_status      = '';
	$perm             = '';

if ( isset( $q['post_status'] ) && in_array( $q['post_status'], $post_statuses, true ) ) {
		$post_status = $q['post_status'];
		$perm        = 'readable';
	}

$orderby = '';

if ( isset( $q['orderby'] ) ) {
		$orderby = $q['orderby'];
	} elseif ( isset( $q['post_status'] ) && in_array( $q['post_status'], array( 'pending', 'draft' ), true ) ) {
		$orderby = 'modified';
	}

$order = '';

if ( isset( $q['order'] ) ) {
		$order = $q['order'];
	} elseif ( isset( $q['post_status'] ) && 'pending' === $q['post_status'] ) {
		$order = 'ASC';
	}

$per_page       = "edit_{$post_type}_per_page";
	$posts_per_page = (int) get_user_option( $per_page );
	if ( empty( $posts_per_page ) || $posts_per_page < 1 ) {
		$posts_per_page = 20;
	}

/**
	 * Filters the number of items per page to show for a specific 'per_page' type.
	 *
	 * The dynamic portion of the hook name, `$post_type`, refers to the post type.
	 *
	 * Possible hook names include:
	 *
	 *  - `edit_post_per_page`
	 *  - `edit_page_per_page`
	 *  - `edit_attachment_per_page`
	 *
	 * @since 3.0.0
	 *
	 * @param int $posts_per_page Number of posts to display per page for the given post
	 *                            type. Default 20.
	 */
	$posts_per_page = apply_filters( "edit_{$post_type}_per_page", $posts_per_page );

/**
	 * Filters the number of posts displayed per page when specifically listing "posts".
	 *
	 * @since 2.8.0
	 *
	 * @param int    $posts_per_page Number of posts to be displayed. Default 20.
	 * @param string $post_type      The post type.
	 */
	$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );

$query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' );

// Hierarchical types require special args.
	if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {
		$query['orderby']                = 'menu_order title';
		$query['order']                  = 'asc';
		$query['posts_per_page']         = -1;
		$query['posts_per_archive_page'] = -1;
		$query['fields']                 = 'id=>parent';
	}

if ( ! empty( $q['show_sticky'] ) ) {
		$query['post__in'] = (array) get_option( 'sticky_posts' );
	}

wp( $query );

return $avail_post_stati;
}

/**
 * Returns the query variables for the current attachments request.
 *
 * @since 4.2.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return array The parsed query vars.
 */
function wp_edit_attachments_query_vars( $q = false ) {
	if ( false === $q ) {
		$q = $_GET;
	}
	$q['m']         = isset( $q['m'] ) ? (int) $q['m'] : 0;
	$q['cat']       = isset( $q['cat'] ) ? (int) $q['cat'] : 0;
	$q['post_type'] = 'attachment';
	$post_type      = get_post_type_object( 'attachment' );
	$states         = 'inherit';
	if ( current_user_can( $post_type->cap->read_private_posts ) ) {
		$states .= ',private';
	}

$q['post_status'] = isset( $q['status'] ) && 'trash' === $q['status'] ? 'trash' : $states;
	$q['post_status'] = isset( $q['attachment-filter'] ) && 'trash' === $q['attachment-filter'] ? 'trash' : $states;

$media_per_page = (int) get_user_option( 'upload_per_page' );
	if ( empty( $media_per_page ) || $media_per_page < 1 ) {
		$media_per_page = 20;
	}

/**
	 * Filters the number of items to list per page when listing media items.
	 *
	 * @since 2.9.0
	 *
	 * @param int $media_per_page Number of media to list. Default 20.
	 */
	$q['posts_per_page'] = apply_filters( 'upload_per_page', $media_per_page );

$post_mime_types = get_post_mime_types();
	if ( isset( $q['post_mime_type'] ) && ! array_intersect( (array) $q['post_mime_type'], array_keys( $post_mime_types ) ) ) {
		unset( $q['post_mime_type'] );
	}

foreach ( array_keys( $post_mime_types ) as $type ) {
		if ( isset( $q['attachment-filter'] ) && "post_mime_type:$type" === $q['attachment-filter'] ) {
			$q['post_mime_type'] = $type;
			break;
		}
	}

if ( isset( $q['detached'] ) || ( isset( $q['attachment-filter'] ) && 'detached' === $q['attachment-filter'] ) ) {
		$q['post_parent'] = 0;
	}

if ( isset( $q['mine'] ) || ( isset( $q['attachment-filter'] ) && 'mine' === $q['attachment-filter'] ) ) {
		$q['author'] = get_current_user_id();
	}

// Filter query clauses to include filenames.
	if ( isset( $q['s'] ) ) {
		add_filter( 'wp_allow_query_attachment_by_filename', '__return_true' );
	}

return $q;
}

/**
 * Executes a query for attachments. An array of WP_Query arguments
 * can be passed in, which will override the arguments set by this function.
 *
 * @since 2.5.0
 *
 * @param array|false $q Optional. Array of query variables to use to build the query.
 *                       Defaults to the `$_GET` superglobal.
 * @return array {
 *     Array containing the post mime types and available post mime types.
 *
 *     @type array[]  $post_mime_types       Post mime types.
 *     @type string[] $avail_post_mime_types Available post mime types.
 * }
 */
function wp_edit_attachments_query( $q = false ) {
	wp( wp_edit_attachments_query_vars( $q ) );

$post_mime_types       = get_post_mime_types();
	$avail_post_mime_types = get_available_post_mime_types( 'attachment' );

return array( $post_mime_types, $avail_post_mime_types );
}

/**
 * Returns the list of classes to be used by a meta box.
 *
 * @since 2.5.0
 *
 * @param string $box_id    Meta box ID (used in the 'id' attribute for the meta box).
 * @param string $screen_id The screen on which the meta box is shown.
 * @return string Space-separated string of class names.
 */
function postbox_classes( $box_id, $screen_id ) {
	if ( isset( $_GET['edit'] ) && $_GET['edit'] === $box_id ) {
		$classes = array( '' );
	} elseif ( get_user_option( 'closedpostboxes_' . $screen_id ) ) {
		$closed = get_user_option( 'closedpostboxes_' . $screen_id );
		if ( ! is_array( $closed ) ) {
			$classes = array( '' );
		} else {
			$classes = in_array( $box_id, $closed, true ) ? array( 'closed' ) : array( '' );
		}
	} else {
		$classes = array( '' );
	}

/**
	 * Filters the postbox classes for a specific screen and box ID combo.
	 *
	 * The dynamic portions of the hook name, `$screen_id` and `$box_id`, refer to
	 * the screen ID and meta box ID, respectively.
	 *
	 * @since 3.2.0
	 *
	 * @param string[] $classes An array of postbox classes.
	 */
	$classes = apply_filters( "postbox_classes_{$screen_id}_{$box_id}", $classes );

return implode( ' ', $classes );
}

/**
 * Returns a sample permalink based on the post name.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post  Post ID or post object.
 * @param string|null $title Optional. Title to override the post's current title
 *                           when generating the post name. Default null.
 * @param string|null $name  Optional. Name to override the post name. Default null.
 * @return array {
 *     Array containing the sample permalink with placeholder for the post name, and the post name.
 *
 *     @type string $0 The permalink with placeholder for the post name.
 *     @type string $1 The post name.
 * }
 */
function get_sample_permalink( $post, $title = null, $name = null ) {
	$post = get_post( $post );

if ( ! $post ) {
		return array( '', '' );
	}

$ptype = get_post_type_object( $post->post_type );

$original_status = $post->post_status;
	$original_date   = $post->post_date;
	$original_name   = $post->post_name;
	$original_filter = $post->filter;

// Hack: get_permalink() would return plain permalink for drafts, so we will fake that our post is published.
	if ( in_array( $post->post_status, array( 'auto-draft', 'draft', 'pending', 'future' ), true ) ) {
		$post->post_status = 'publish';
		$post->post_name   = sanitize_title( $post->post_name ? $post->post_name : $post->post_title, $post->ID );
	}

/*
	 * If the user wants to set a new name -- override the current one.
	 * Note: if empty name is supplied -- use the title instead, see #6072.
	 */
	if ( ! is_null( $name ) ) {
		$post->post_name = sanitize_title( $name ? $name : $title, $post->ID );
	}

$post->post_name = wp_unique_post_slug( $post->post_name, $post->ID, $post->post_status, $post->post_type, $post->post_parent );

$post->filter = 'sample';

$permalink = get_permalink( $post, true );

// Replace custom post_type token with generic pagename token for ease of use.
	$permalink = str_replace( "%$post->post_type%", '%pagename%', $permalink );

// Handle page hierarchy.
	if ( $ptype->hierarchical ) {
		$uri = get_page_uri( $post );
		if ( $uri ) {
			$uri = untrailingslashit( $uri );
			$uri = strrev( stristr( strrev( $uri ), '/' ) );
			$uri = untrailingslashit( $uri );
		}

/** This filter is documented in wp-admin/edit-tag-form.php */
		$uri = apply_filters( 'editable_slug', $uri, $post );
		if ( ! empty( $uri ) ) {
			$uri .= '/';
		}
		$permalink = str_replace( '%pagename%', "{$uri}%pagename%", $permalink );
	}

/** This filter is documented in wp-admin/edit-tag-form.php */
	$permalink         = array( $permalink, apply_filters( 'editable_slug', $post->post_name, $post ) );
	$post->post_status = $original_status;
	$post->post_date   = $original_date;
	$post->post_name   = $original_name;
	$post->filter      = $original_filter;

/**
	 * Filters the sample permalink.
	 *
	 * @since 4.4.0
	 *
	 * @param array   $permalink {
	 *     Array containing the sample permalink with placeholder for the post name, and the post name.
	 *
	 *     @type string $0 The permalink with placeholder for the post name.
	 *     @type string $1 The post name.
	 * }
	 * @param int     $post_id Post ID.
	 * @param string  $title   Post title.
	 * @param string  $name    Post name (slug).
	 * @param WP_Post $post    Post object.
	 */
	return apply_filters( 'get_sample_permalink', $permalink, $post->ID, $title, $name, $post );
}

/**
 * Returns the HTML of the sample permalink slug editor.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post      Post ID or post object.
 * @param string|null $new_title Optional. New title. Default null.
 * @param string|null $new_slug  Optional. New slug. Default null.
 * @return string The HTML of the sample permalink slug editor.
 */
function get_sample_permalink_html( $post, $new_title = null, $new_slug = null ) {
	$post = get_post( $post );

if ( ! $post ) {
		return '';
	}

list($permalink, $post_name) = get_sample_permalink( $post->ID, $new_title, $new_slug );

$view_link      = false;
	$preview_target = '';

if ( current_user_can( 'read_post', $post->ID ) ) {
		if ( 'draft' === $post->post_status || empty( $post->post_name ) ) {
			$view_link      = get_preview_post_link( $post );
			$preview_target = " target='wp-preview-{$post->ID}'";
		} else {
			if ( 'publish' === $post->post_status || 'attachment' === $post->post_type ) {
				$view_link = get_permalink( $post );
			} else {
				// Allow non-published (private, future) to be viewed at a pretty permalink, in case $post->post_name is set.
				$view_link = str_replace( array( '%pagename%', '%postname%' ), $post->post_name, $permalink );
			}
		}
	}

// Permalinks without a post/page name placeholder don't have anything to edit.
	if ( ! str_contains( $permalink, '%postname%' ) && ! str_contains( $permalink, '%pagename%' ) ) {
		$return = '<strong>' . __( 'Permalink:' ) . "</strong>\n";

if ( false !== $view_link ) {
			$display_link = urldecode( $view_link );
			$return      .= '<a id="sample-permalink" href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . esc_html( $display_link ) . "</a>\n";
		} else {
			$return .= '<span id="sample-permalink">' . $permalink . "</span>\n";
		}

// Encourage a pretty permalink setting.
		if ( ! get_option( 'permalink_structure' ) && current_user_can( 'manage_options' )
			&& ! ( 'page' === get_option( 'show_on_front' ) && (int) get_option( 'page_on_front' ) === $post->ID )
		) {
			$return .= '<span id="change-permalinks"><a href="options-permalink.php" class="button button-small">' . __( 'Change Permalink Structure' ) . "</a></span>\n";
		}
	} else {
		if ( mb_strlen( $post_name ) > 34 ) {
			$post_name_abridged = mb_substr( $post_name, 0, 16 ) . '&hellip;' . mb_substr( $post_name, -16 );
		} else {
			$post_name_abridged = $post_name;
		}

$post_name_html = '<span id="editable-post-name">' . esc_html( $post_name_abridged ) . '</span>';
		$display_link   = str_replace( array( '%pagename%', '%postname%' ), $post_name_html, esc_html( urldecode( $permalink ) ) );

$return  = '<strong>' . __( 'Permalink:' ) . "</strong>\n";
		$return .= '<span id="sample-permalink"><a href="' . esc_url( $view_link ) . '"' . $preview_target . '>' . $display_link . "</a></span>\n";
		$return .= '&lrm;'; // Fix bi-directional text display defect in RTL languages.
		$return .= '<span id="edit-slug-buttons"><button type="button" class="edit-slug button button-small hide-if-no-js" aria-label="' . __( 'Edit permalink' ) . '">' . __( 'Edit' ) . "</button></span>\n";
		$return .= '<span id="editable-post-name-full">' . esc_html( $post_name ) . "</span>\n";
	}

/**
	 * Filters the sample permalink HTML markup.
	 *
	 * @since 2.9.0
	 * @since 4.4.0 Added `$post` parameter.
	 *
	 * @param string      $return    Sample permalink HTML markup.
	 * @param int         $post_id   Post ID.
	 * @param string|null $new_title New sample permalink title.
	 * @param string|null $new_slug  New sample permalink slug.
	 * @param WP_Post     $post      Post object.
	 */
	$return = apply_filters( 'get_sample_permalink_html', $return, $post->ID, $new_title, $new_slug, $post );

return $return;
}

/**
 * Returns HTML for the post thumbnail meta box.
 *
 * @since 2.9.0
 *
 * @param int|null         $thumbnail_id Optional. Thumbnail attachment ID. Default null.
 * @param int|WP_Post|null $post         Optional. The post ID or object associated
 *                                       with the thumbnail. Defaults to global $post.
 * @return string The post thumbnail HTML.
 */
function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
	$_wp_additional_image_sizes = wp_get_additional_image_sizes();

$post               = get_post( $post );
	$post_type_object   = get_post_type_object( $post->post_type );
	$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail"%s class="thickbox">%s</a></p>';
	$upload_iframe_src  = get_upload_iframe_src( 'image', $post->ID );

$content = sprintf(
		$set_thumbnail_link,
		esc_url( $upload_iframe_src ),
		'', // Empty when there's no featured image set, `aria-describedby` attribute otherwise.
		esc_html( $post_type_object->labels->set_featured_image )
	);

if ( $thumbnail_id && get_post( $thumbnail_id ) ) {
		$size = isset( $_wp_additional_image_sizes['post-thumbnail'] ) ? 'post-thumbnail' : array( 266, 266 );

/**
		 * Filters the size used to display the post thumbnail image in the 'Featured image' meta box.
		 *
		 * Note: When a theme adds 'post-thumbnail' support, a special 'post-thumbnail'
		 * image size is registered, which differs from the 'thumbnail' image size
		 * managed via the Settings > Media screen.
		 *
		 * @since 4.4.0
		 *
		 * @param string|int[] $size         Requested image size. Can be any registered image size name, or
		 *                                   an array of width and height values in pixels (in that order).
		 * @param int          $thumbnail_id Post thumbnail attachment ID.
		 * @param WP_Post      $post         The post object associated with the thumbnail.
		 */
		$size = apply_filters( 'admin_post_thumbnail_size', $size, $thumbnail_id, $post );

$thumbnail_html = wp_get_attachment_image( $thumbnail_id, $size );

if ( ! empty( $thumbnail_html ) ) {
			$content  = sprintf(
				$set_thumbnail_link,
				esc_url( $upload_iframe_src ),
				' aria-describedby="set-post-thumbnail-desc"',
				$thumbnail_html
			);
			$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
			$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>';
		}
	}

$content .= '<input type="hidden" id="_thumbnail_id" name="_thumbnail_id" value="' . esc_attr( $thumbnail_id ? $thumbnail_id : '-1' ) . '" />';

/**
	 * Filters the admin post thumbnail HTML markup to return.
	 *
	 * @since 2.9.0
	 * @since 3.5.0 Added the `$post_id` parameter.
	 * @since 4.6.0 Added the `$thumbnail_id` parameter.
	 *
	 * @param string   $content      Admin post thumbnail HTML markup.
	 * @param int      $post_id      Post ID.
	 * @param int|null $thumbnail_id Thumbnail attachment ID, or null if there isn't one.
	 */
	return apply_filters( 'admin_post_thumbnail_html', $content, $post->ID, $thumbnail_id );
}

/**
 * Determines whether the post is currently being edited by another user.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post ID or object of the post to check for editing.
 * @return int|false ID of the user with lock. False if the post does not exist, post is not locked,
 *                   the user with lock does not exist, or the post is locked by current user.
 */
function wp_check_post_lock( $post ) {
	$post = get_post( $post );

if ( ! $post ) {
		return false;
	}

$lock = get_post_meta( $post->ID, '_edit_lock', true );

if ( ! $lock ) {
		return false;
	}

$lock = explode( ':', $lock );
	$time = $lock[0];
	$user = isset( $lock[1] ) ? (int) $lock[1] : (int) get_post_meta( $post->ID, '_edit_last', true );

if ( ! get_userdata( $user ) ) {
		return false;
	}

/** This filter is documented in wp-admin/includes/ajax-actions.php */
	$time_window = apply_filters( 'wp_check_post_lock_window', 150 );

if ( $time && $time > time() - $time_window && get_current_user_id() !== $user ) {
		return $user;
	}

return false;
}

/**
 * Marks the post as currently being edited by the current user.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post $post ID or object of the post being edited.
 * @return array|false {
 *     Array of the lock time and user ID. False if the post does not exist, or there
 *     is no current user.
 *
 *     @type int $0 The current time as a Unix timestamp.
 *     @type int $1 The ID of the current user.
 * }
 */
function wp_set_post_lock( $post ) {
	$post = get_post( $post );

if ( ! $post ) {
		return false;
	}

$user_id = get_current_user_id();

if ( 0 === $user_id ) {
		return false;
	}

$now  = time();
	$lock = "$now:$user_id";

update_post_meta( $post->ID, '_edit_lock', $lock );

return array( $now, $user_id );
}

/**
 * Outputs the HTML for the notice to say that someone else is editing or has taken over editing of this post.
 *
 * @since 2.8.5
 */
function _admin_notice_post_locked() {
	$post = get_post();

if ( ! $post ) {
		return;
	}

$user    = null;
	$user_id = wp_check_post_lock( $post->ID );

if ( $user_id ) {
		$user = get_userdata( $user_id );
	}

if ( $user ) {
		/**
		 * Filters whether to show the post locked dialog.
		 *
		 * Returning false from the filter will prevent the dialog from being displayed.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $display Whether to display the dialog. Default true.
		 * @param WP_Post $post    Post object.
		 * @param WP_User $user    The user with the lock for the post.
		 */
		if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {
			return;
		}

$locked = true;
	} else {
		$locked = false;
	}

$sendback      = wp_get_referer();
	$sendback_text = __( 'Go back' );

if ( ! $locked || ! $sendback || str_contains( $sendback, 'post.php' ) || str_contains( $sendback, 'post-new.php' ) ) {
		$sendback = admin_url( 'edit.php' );

if ( 'post' !== $post->post_type ) {
			$sendback = add_query_arg( 'post_type', $post->post_type, $sendback );
		}

$post_type_object = get_post_type_object( $post->post_type );

if ( $post_type_object ) {
			$sendback_text = $post_type_object->labels->all_items;
		}
	}

$hidden = $locked ? '' : ' hidden';

?>
	<div id="post-lock-dialog" class="notification-dialog-wrap<?php echo $hidden; ?>">
	<div class="notification-dialog-background"></div>
	<div class="notification-dialog">
	<?php

if ( $locked ) {
		$query_args = array();
		if ( get_post_type_object( $post->post_type )->public ) {
			if ( 'publish' === $post->post_status || $user->ID !== (int) $post->post_author ) {
				// Latest content is in autosave.
				$nonce                       = wp_create_nonce( 'post_preview_' . $post->ID );
				$query_args['preview_id']    = $post->ID;
				$query_args['preview_nonce'] = $nonce;
			}
		}

$preview_link = get_preview_post_link( $post->ID, $query_args );

/**
		 * Filters whether to allow the post lock to be overridden.
		 *
		 * Returning false from the filter will disable the ability
		 * to override the post lock.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $override Whether to allow the post lock to be overridden. Default true.
		 * @param WP_Post $post     Post object.
		 * @param WP_User $user     The user with the lock for the post.
		 */
		$override = apply_filters( 'override_post_lock', true, $post, $user );
		$tab_last = $override ? '' : ' wp-tab-last';

?>
		<div class="post-locked-message">
		<div class="post-locked-avatar"><?php echo get_avatar( $user->ID, 64 ); ?></div>
		<p class="currently-editing wp-tab-first" tabindex="0">
		<?php
		if ( $override ) {
			/* translators: %s: User's display name. */
			printf( __( '%s is currently editing this post. Do you want to take over?' ), esc_html( $user->display_name ) );
		} else {
			/* translators: %s: User's display name. */
			printf( __( '%s is currently editing this post.' ), esc_html( $user->display_name ) );
		}
		?>
		</p>
		<?php
		/**
		 * Fires inside the post locked dialog before the buttons are displayed.
		 *
		 * @since 3.6.0
		 * @since 5.4.0 The $user parameter was added.
		 *
		 * @param WP_Post $post Post object.
		 * @param WP_User $user The user with the lock for the post.
		 */
		do_action( 'post_locked_dialog', $post, $user );
		?>
		<p>
		<a class="button" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a>
		<?php if ( $preview_link ) { ?>
		<a class="button<?php echo $tab_last; ?>" href="<?php echo esc_url( $preview_link ); ?>"><?php _e( 'Preview' ); ?></a>
			<?php
		}

// Allow plugins to prevent some users overriding the post lock.
		if ( $override ) {
			?>
	<a class="button button-primary wp-tab-last" href="<?php echo esc_url( add_query_arg( 'get-post-lock', '1', wp_nonce_url( get_edit_post_link( $post->ID, 'url' ), 'lock-post_' . $post->ID ) ) ); ?>"><?php _e( 'Take over' ); ?></a>
			<?php
		}

?>
		</p>
		</div>
		<?php
	} else {
		?>
		<div class="post-taken-over">
			<div class="post-locked-avatar"></div>
			<p class="wp-tab-first" tabindex="0">
			<span class="currently-editing"></span><br />
			<span class="locked-saving hidden"><img src="<?php echo esc_url( admin_url( 'images/spinner-2x.gif' ) ); ?>" width="16" height="16" alt="" /> <?php _e( 'Saving revision&hellip;' ); ?></span>
			<span class="locked-saved hidden"><?php _e( 'Your latest changes were saved as a revision.' ); ?></span>
			</p>
			<?php
			/**
			 * Fires inside the dialog displayed when a user has lost the post lock.
			 *
			 * @since 3.6.0
			 *
			 * @param WP_Post $post Post object.
			 */
			do_action( 'post_lock_lost_dialog', $post );
			?>
			<p><a class="button button-primary wp-tab-last" href="<?php echo esc_url( $sendback ); ?>"><?php echo $sendback_text; ?></a></p>
		</div>
		<?php
	}

?>
	</div>
	</div>
	<?php
}

/**
 * Creates autosave data for the specified post from `$_POST` data.
 *
 * @since 2.6.0
 *
 * @param array|int $post_data Associative array containing the post data, or integer post ID.
 *                             If a numeric post ID is provided, will use the `$_POST` superglobal.
 * @return int|WP_Error The autosave revision ID. WP_Error or 0 on error.
 */
function wp_create_post_autosave( $post_data ) {
	if ( is_numeric( $post_data ) ) {
		$post_id   = $post_data;
		$post_data = $_POST;
	} else {
		$post_id = (int) $post_data['post_ID'];
	}

$post_data = _wp_translate_postdata( true, $post_data );
	if ( is_wp_error( $post_data ) ) {
		return $post_data;
	}
	$post_data = _wp_get_allowed_postdata( $post_data );

$post_author = get_current_user_id();

// Store one autosave per author. If there is already an autosave, overwrite it.
	$old_autosave = wp_get_post_autosave( $post_id, $post_author );
	if ( $old_autosave ) {
		$new_autosave                = _wp_post_revision_data( $post_data, true );
		$new_autosave['ID']          = $old_autosave->ID;
		$new_autosave['post_author'] = $post_author;

$post = get_post( $post_id );

// If the new autosave has the same content as the post, delete the autosave.
		$autosave_is_different = false;
		foreach ( array_intersect( array_keys( $new_autosave ), array_keys( _wp_post_revision_fields( $post ) ) ) as $field ) {
			if ( normalize_whitespace( $new_autosave[ $field ] ) !== normalize_whitespace( $post->$field ) ) {
				$autosave_is_different = true;
				break;
			}
		}

if ( ! $autosave_is_different ) {
			wp_delete_post_revision( $old_autosave->ID );
			return 0;
		}

/**
		 * Fires before an autosave is stored.
		 *
		 * @since 4.1.0
		 * @since 6.4.0 The `$is_update` parameter was added to indicate if the autosave is being updated or was newly created.
		 *
		 * @param array $new_autosave Post array - the autosave that is about to be saved.
		 * @param bool  $is_update    Whether this is an existing autosave.
		 */
		do_action( 'wp_creating_autosave', $new_autosave, true );
		return wp_update_post( $new_autosave );
	}

// _wp_put_post_revision() expects unescaped.
	$post_data = wp_unslash( $post_data );

// Otherwise create the new autosave as a special post revision.
	$revision = _wp_put_post_revision( $post_data, true );

if ( ! is_wp_error( $revision ) && 0 !== $revision ) {

/** This action is documented in wp-admin/includes/post.php */
		do_action( 'wp_creating_autosave', get_post( $revision, ARRAY_A ), false );
	}

return $revision;
}

/**
 * Autosaves the revisioned meta fields.
 *
 * Iterates through the revisioned meta fields and checks each to see if they are set,
 * and have a changed value. If so, the meta value is saved and attached to the autosave.
 *
 * @since 6.4.0
 *
 * @param array $new_autosave The new post data being autosaved.
 */
function wp_autosave_post_revisioned_meta_fields( $new_autosave ) {
	/*
	 * The post data arrives as either $_POST['data']['wp_autosave'] or the $_POST
	 * itself. This sets $posted_data to the correct variable.
	 *
	 * Ignoring sanitization to avoid altering meta. Ignoring the nonce check because
	 * this is hooked on inner core hooks where a valid nonce was already checked.
	 */
	$posted_data = isset( $_POST['data']['wp_autosave'] ) ? $_POST['data']['wp_autosave'] : $_POST;

$post_type = get_post_type( $new_autosave['post_parent'] );

/*
	 * Go through the revisioned meta keys and save them as part of the autosave,
	 * if the meta key is part of the posted data, the meta value is not blank,
	 * and the meta value has changes from the last autosaved value.
	 */
	foreach ( wp_post_revision_meta_keys( $post_type ) as $meta_key ) {

if ( isset( $posted_data[ $meta_key ] )
			&& get_post_meta( $new_autosave['ID'], $meta_key, true ) !== wp_unslash( $posted_data[ $meta_key ] )
		) {
			/*
			 * Use the underlying delete_metadata() and add_metadata() functions
			 * vs delete_post_meta() and add_post_meta() to make sure we're working
			 * with the actual revision meta.
			 */
			delete_metadata( 'post', $new_autosave['ID'], $meta_key );

// One last check to ensure meta value is not empty.
			if ( ! empty( $posted_data[ $meta_key ] ) ) {
				// Add the revisions meta data to the autosave.
				add_metadata( 'post', $new_autosave['ID'], $meta_key, $posted_data[ $meta_key ] );
			}
		}
	}
}

/**
 * Saves a draft or manually autosaves for the purpose of showing a post preview.
 *
 * @since 2.7.0
 *
 * @return string URL to redirect to show the preview.
 */
function post_preview() {

$post_id     = (int) $_POST['post_ID'];
	$_POST['ID'] = $post_id;

$post = get_post( $post_id );

if ( ! $post ) {
		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
	}

if ( ! current_user_can( 'edit_post', $post->ID ) ) {
		wp_die( __( 'Sorry, you are not allowed to edit this post.' ) );
	}

$is_autosave = false;

if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() === (int) $post->post_author
		&& ( 'draft' === $post->post_status || 'auto-draft' === $post->post_status )
	) {
		$saved_post_id = edit_post();
	} else {
		$is_autosave = true;

if ( isset( $_POST['post_status'] ) && 'auto-draft' === $_POST['post_status'] ) {
			$_POST['post_status'] = 'draft';
		}

$saved_post_id = wp_create_post_autosave( $post->ID );
	}

if ( is_wp_error( $saved_post_id ) ) {
		wp_die( $saved_post_id->get_error_message() );
	}

$query_args = array();

if ( $is_autosave && $saved_post_id ) {
		$query_args['preview_id']    = $post->ID;
		$query_args['preview_nonce'] = wp_create_nonce( 'post_preview_' . $post->ID );

if ( isset( $_POST['post_format'] ) ) {
			$query_args['post_format'] = empty( $_POST['post_format'] ) ? 'standard' : sanitize_key( $_POST['post_format'] );
		}

if ( isset( $_POST['_thumbnail_id'] ) ) {
			$query_args['_thumbnail_id'] = ( (int) $_POST['_thumbnail_id'] <= 0 ) ? '-1' : (int) $_POST['_thumbnail_id'];
		}
	}

return get_preview_post_link( $post, $query_args );
}

/**
 * Saves a post submitted with XHR.
 *
 * Intended for use with heartbeat and autosave.js
 *
 * @since 3.9.0
 *
 * @param array $post_data Associative array of the submitted post data.
 * @return mixed The value 0 or WP_Error on failure. The saved post ID on success.
 *               The ID can be the draft post_id or the autosave revision post_id.
 */
function wp_autosave( $post_data ) {
	// Back-compat.
	if ( ! defined( 'DOING_AUTOSAVE' ) ) {
		define( 'DOING_AUTOSAVE', true );
	}

$post_id              = (int) $post_data['post_id'];
	$post_data['ID']      = $post_id;
	$post_data['post_ID'] = $post_id;

if ( false === wp_verify_nonce( $post_data['_wpnonce'], 'update-post_' . $post_id ) ) {
		return new WP_Error( 'invalid_nonce', __( 'Error while saving.' ) );
	}

$post = get_post( $post_id );

if ( ! current_user_can( 'edit_post', $post->ID ) ) {
		return new WP_Error( 'edit_posts', __( 'Sorry, you are not allowed to edit this item.' ) );
	}

if ( 'auto-draft' === $post->post_status ) {
		$post_data['post_status'] = 'draft';
	}

if ( 'page' !== $post_data['post_type'] && ! empty( $post_data['catslist'] ) ) {
		$post_data['post_category'] = explode( ',', $post_data['catslist'] );
	}

if ( ! wp_check_post_lock( $post->ID ) && get_current_user_id() === (int) $post->post_author
		&& ( 'auto-draft' === $post->post_status || 'draft' === $post->post_status )
	) {
		// Drafts and auto-drafts are just overwritten by autosave for the same user if the post is not locked.
		return edit_post( wp_slash( $post_data ) );
	} else {
		/*
		 * Non-drafts or other users' drafts are not overwritten.
		 * The autosave is stored in a special post revision for each user.
		 */
		return wp_create_post_autosave( wp_slash( $post_data ) );
	}
}

/**
 * Redirects to previous page.
 *
 * @since 2.7.0
 *
 * @param int $post_id Optional. Post ID.
 */
function redirect_post( $post_id = '' ) {
	if ( isset( $_POST['save'] ) || isset( $_POST['publish'] ) ) {
		$status = get_post_status( $post_id );

switch ( $status ) {
			case 'pending':
				$message = 8;
				break;
			case 'future':
				$message = 9;
				break;
			case 'draft':
				$message = 10;
				break;
			default:
				$message = isset( $_POST['publish'] ) ? 6 : 1;
				break;
		}

$location = add_query_arg( 'message', $message, get_edit_post_link( $post_id, 'url' ) );
	} elseif ( isset( $_POST['addmeta'] ) && $_POST['addmeta'] ) {
		$location = add_query_arg( 'message', 2, wp_get_referer() );
		$location = explode( '#', $location );
		$location = $location[0] . '#postcustom';
	} elseif ( isset( $_POST['deletemeta'] ) && $_POST['deletemeta'] ) {
		$location = add_query_arg( 'message', 3, wp_get_referer() );
		$location = explode( '#', $location );
		$location = $location[0] . '#postcustom';
	} else {
		$location = add_query_arg( 'message', 4, get_edit_post_link( $post_id, 'url' ) );
	}

/**
	 * Filters the post redirect destination URL.
	 *
	 * @since 2.9.0
	 *
	 * @param string $location The destination URL.
	 * @param int    $post_id  The post ID.
	 */
	wp_redirect( apply_filters( 'redirect_post_location', $location, $post_id ) );
	exit;
}

/**
 * Sanitizes POST values from a checkbox taxonomy metabox.
 *
 * @since 5.1.0
 *
 * @param string $taxonomy The taxonomy name.
 * @param array  $terms    Raw term data from the 'tax_input' field.
 * @return int[] Array of sanitized term IDs.
 */
function taxonomy_meta_box_sanitize_cb_checkboxes( $taxonomy, $terms ) {
	return array_map( 'intval', $terms );
}

/**
 * Sanitizes POST values from an input taxonomy metabox.
 *
 * @since 5.1.0
 *
 * @param string       $taxonomy The taxonomy name.
 * @param array|string $terms    Raw term data from the 'tax_input' field.
 * @return array
 */
function taxonomy_meta_box_sanitize_cb_input( $taxonomy, $terms ) {
	/*
	 * Assume that a 'tax_input' string is a comma-separated list of term names.
	 * Some languages may use a character other than a comma as a delimiter, so we standardize on
	 * commas before parsing the list.
	 */
	if ( ! is_array( $terms ) ) {
		$comma = _x( ',', 'tag delimiter' );
		if ( ',' !== $comma ) {
			$terms = str_replace( $comma, ',', $terms );
		}
		$terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
	}

$clean_terms = array();
	foreach ( $terms as $term ) {
		// Empty terms are invalid input.
		if ( empty( $term ) ) {
			continue;
		}

$_term = get_terms(
			array(
				'taxonomy'   => $taxonomy,
				'name'       => $term,
				'fields'     => 'ids',
				'hide_empty' => false,
			)
		);

if ( ! empty( $_term ) ) {
			$clean_terms[] = (int) $_term[0];
		} else {
			// No existing term was found, so pass the string. A new term will be created.
			$clean_terms[] = $term;
		}
	}

return $clean_terms;
}

/**
 * Prepares server-registered blocks for the block editor.
 *
 * Returns an associative array of registered block data keyed by block name. Data includes properties
 * of a block relevant for client registration.
 *
 * @since 5.0.0
 * @since 6.3.0 Added `selectors` field.
 * @since 6.4.0 Added `block_hooks` field.
 *
 * @return array An associative array of registered block data.
 */
function get_block_editor_server_block_settings() {
	$block_registry = WP_Block_Type_Registry::get_instance();
	$blocks         = array();
	$fields_to_pick = array(
		'api_version'      => 'apiVersion',
		'title'            => 'title',
		'description'      => 'description',
		'icon'             => 'icon',
		'attributes'       => 'attributes',
		'provides_context' => 'providesContext',
		'uses_context'     => 'usesContext',
		'block_hooks'      => 'blockHooks',
		'selectors'        => 'selectors',
		'supports'         => 'supports',
		'category'         => 'category',
		'styles'           => 'styles',
		'textdomain'       => 'textdomain',
		'parent'           => 'parent',
		'ancestor'         => 'ancestor',
		'keywords'         => 'keywords',
		'example'          => 'example',
		'variations'       => 'variations',
		'allowed_blocks'   => 'allowedBlocks',
	);

foreach ( $block_registry->get_all_registered() as $block_name => $block_type ) {
		foreach ( $fields_to_pick as $field => $key ) {
			if ( ! isset( $block_type->{ $field } ) ) {
				continue;
			}

if ( ! isset( $blocks[ $block_name ] ) ) {
				$blocks[ $block_name ] = array();
			}

$blocks[ $block_name ][ $key ] = $block_type->{ $field };
		}
	}

return $blocks;
}

/**
 * Renders the meta boxes forms.
 *
 * @since 5.0.0
 *
 * @global WP_Post   $post           Global post object.
 * @global WP_Screen $current_screen WordPress current screen object.
 * @global array     $wp_meta_boxes  Global meta box state.
 */
function the_block_editor_meta_boxes() {
	global $post, $current_screen, $wp_meta_boxes;

// Handle meta box state.
	$_original_meta_boxes = $wp_meta_boxes;

/**
	 * Fires right before the meta boxes are rendered.
	 *
	 * This allows for the filtering of meta box data, that should already be
	 * present by this point. Do not use as a means of adding meta box data.
	 *
	 * @since 5.0.0
	 *
	 * @param array $wp_meta_boxes Global meta box state.
	 */
	$wp_meta_boxes = apply_filters( 'filter_block_editor_meta_boxes', $wp_meta_boxes );
	$locations     = array( 'side', 'normal', 'advanced' );
	$priorities    = array( 'high', 'sorted', 'core', 'default', 'low' );

// Render meta boxes.
	?>
	<form class="metabox-base-form">
	<?php the_block_editor_meta_box_post_form_hidden_fields( $post ); ?>
	</form>
	<form id="toggle-custom-fields-form" method="post" action="<?php echo esc_url( admin_url( 'post.php' ) ); ?>">
		<?php wp_nonce_field( 'toggle-custom-fields', 'toggle-custom-fields-nonce' ); ?>
		<input type="hidden" name="action" value="toggle-custom-fields" />
	</form>
	<?php foreach ( $locations as $location ) : ?>
		<form class="metabox-location-<?php echo esc_attr( $location ); ?>" onsubmit="return false;">
			<div id="poststuff" class="sidebar-open">
				<div id="postbox-container-2" class="postbox-container">
					<?php
					do_meta_boxes(
						$current_screen,
						$location,
						$post
					);
					?>
				</div>
			</div>
		</form>
	<?php endforeach; ?>
	<?php

$meta_boxes_per_location = array();
	foreach ( $locations as $location ) {
		$meta_boxes_per_location[ $location ] = array();

if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ] ) ) {
			continue;
		}

foreach ( $priorities as $priority ) {
			if ( ! isset( $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ] ) ) {
				continue;
			}

$meta_boxes = (array) $wp_meta_boxes[ $current_screen->id ][ $location ][ $priority ];
			foreach ( $meta_boxes as $meta_box ) {
				if ( false === $meta_box || ! $meta_box['title'] ) {
					continue;
				}

// If a meta box is just here for back compat, don't show it in the block editor.
				if ( isset( $meta_box['args']['__back_compat_meta_box'] ) && $meta_box['args']['__back_compat_meta_box'] ) {
					continue;
				}

$meta_boxes_per_location[ $location ][] = array(
					'id'    => $meta_box['id'],
					'title' => $meta_box['title'],
				);
			}
		}
	}

/*
	 * Sadly we probably cannot add this data directly into editor settings.
	 *
	 * Some meta boxes need `admin_head` to fire for meta box registry.
	 * `admin_head` fires after `admin_enqueue_scripts`, which is where we create
	 * our editor instance.
	 */
	$script = 'window._wpLoadBlockEditor.then( function() {
		wp.data.dispatch( \'core/edit-post\' ).setAvailableMetaBoxesPerLocation( ' . wp_json_encode( $meta_boxes_per_location ) . ' );
	} );';

wp_add_inline_script( 'wp-edit-post', $script );

/*
	 * When `wp-edit-post` is output in the `<head>`, the inline script needs to be manually printed.
	 * Otherwise, meta boxes will not display because inline scripts for `wp-edit-post`
	 * will not be printed again after this point.
	 */
	if ( wp_script_is( 'wp-edit-post', 'done' ) ) {
		printf( "<script type='text/javascript'>\n%s\n</script>\n", trim( $script ) );
	}

/*
	 * If the 'postcustom' meta box is enabled, then we need to perform
	 * some extra initialization on it.
	 */
	$enable_custom_fields = (bool) get_user_meta( get_current_user_id(), 'enable_custom_fields', true );

if ( $enable_custom_fields ) {
		$script = "( function( $ ) {
			if ( $('#postcustom').length ) {
				$( '#the-list' ).wpList( {
					addBefore: function( s ) {
						s.data += '&post_id=$post->ID';
						return s;
					},
					addAfter: function() {
						$('table#list-table').show();
					}
				});
			}
		} )( jQuery );";
		wp_enqueue_script( 'wp-lists' );
		wp_add_inline_script( 'wp-lists', $script );
	}

/*
	 * Refresh nonces used by the meta box loader.
	 *
	 * The logic is very similar to that provided by post.js for the classic editor.
	 */
	$script = "( function( $ ) {
		var check, timeout;

function schedule() {
			check = false;
			window.clearTimeout( timeout );
			timeout = window.setTimeout( function() { check = true; }, 300000 );
		}

$( document ).on( 'heartbeat-send.wp-refresh-nonces', function( e, data ) {
			var post_id, \$authCheck = $( '#wp-auth-check-wrap' );

if ( check || ( \$authCheck.length && ! \$authCheck.hasClass( 'hidden' ) ) ) {
				if ( ( post_id = $( '#post_ID' ).val() ) && $( '#_wpnonce' ).val() ) {
					data['wp-refresh-metabox-loader-nonces'] = {
						post_id: post_id
					};
				}
			}
		}).on( 'heartbeat-tick.wp-refresh-nonces', function( e, data ) {
			var nonces = data['wp-refresh-metabox-loader-nonces'];

if ( nonces ) {
				if ( nonces.replace ) {
					if ( nonces.replace.metabox_loader_nonce && window._wpMetaBoxUrl && wp.url ) {
						window._wpMetaBoxUrl= wp.url.addQueryArgs( window._wpMetaBoxUrl, { 'meta-box-loader-nonce': nonces.replace.metabox_loader_nonce } );
					}

if ( nonces.replace._wpnonce ) {
						$( '#_wpnonce' ).val( nonces.replace._wpnonce );
					}
				}
			}
		}).ready( function() {
			schedule();
		});
	} )( jQuery );";
	wp_add_inline_script( 'heartbeat', $script );

// Reset meta box data.
	$wp_meta_boxes = $_original_meta_boxes;
}

/**
 * Renders the hidden form required for the meta boxes form.
 *
 * @since 5.0.0
 *
 * @param WP_Post $post Current post object.
 */
function the_block_editor_meta_box_post_form_hidden_fields( $post ) {
	$form_extra = '';
	if ( 'auto-draft' === $post->post_status ) {
		$form_extra .= "<input type='hidden' id='auto_draft' name='auto_draft' value='1' />";
	}
	$form_action  = 'editpost';
	$nonce_action = 'update-post_' . $post->ID;
	$form_extra  .= "<input type='hidden' id='post_ID' name='post_ID' value='" . esc_attr( $post->ID ) . "' />";
	$referer      = wp_get_referer();
	$current_user = wp_get_current_user();
	$user_id      = $current_user->ID;
	wp_nonce_field( $nonce_action );

/*
	 * Some meta boxes hook into these actions to add hidden input fields in the classic post form.
	 * For backward compatibility, we can capture the output from these actions,
	 * and extract the hidden input fields.
	 */
	ob_start();
	/** This filter is documented in wp-admin/edit-form-advanced.php */
	do_action( 'edit_form_after_title', $post );
	/** This filter is documented in wp-admin/edit-form-advanced.php */
	do_action( 'edit_form_advanced', $post );
	$classic_output = ob_get_clean();

$classic_elements = wp_html_split( $classic_output );
	$hidden_inputs    = '';
	foreach ( $classic_elements as $element ) {
		if ( ! str_starts_with( $element, '<input ' ) ) {
			continue;
		}

if ( preg_match( '/\stype=[\'"]hidden[\'"]\s/', $element ) ) {
			echo $element;
		}
	}
	?>
	<input type="hidden" id="user-id" name="user_ID" value="<?php echo (int) $user_id; ?>" />
	<input type="hidden" id="hiddenaction" name="action" value="<?php echo esc_attr( $form_action ); ?>" />
	<input type="hidden" id="originalaction" name="originalaction" value="<?php echo esc_attr( $form_action ); ?>" />
	<input type="hidden" id="post_type" name="post_type" value="<?php echo esc_attr( $post->post_type ); ?>" />
	<input type="hidden" id="original_post_status" name="original_post_status" value="<?php echo esc_attr( $post->post_status ); ?>" />
	<input type="hidden" id="referredby" name="referredby" value="<?php echo $referer ? esc_url( $referer ) : ''; ?>" />

<?php
	if ( 'draft' !== get_post_status( $post ) ) {
		wp_original_referer_field( true, 'previous' );
	}
	echo $form_extra;
	wp_nonce_field( 'meta-box-order', 'meta-box-order-nonce', false );
	wp_nonce_field( 'closedpostboxes', 'closedpostboxesnonce', false );
	// Permalink title nonce.
	wp_nonce_field( 'samplepermalink', 'samplepermalinknonce', false );

/**
	 * Adds hidden input fields to the meta box save form.
	 *
	 * Hook into this action to print `<input type="hidden" ... />` fields, which will be POSTed back to
	 * the server when meta boxes are saved.
	 *
	 * @since 5.0.0
	 *
	 * @param WP_Post $post The post that is being edited.
	 */
	do_action( 'block_editor_meta_box_hidden_fields', $post );
}

/**
 * Disables block editor for wp_navigation type posts so they can be managed via the UI.
 *
 * @since 5.9.0
 * @access private
 *
 * @param bool   $value Whether the CPT supports block editor or not.
 * @param string $post_type Post type.
 * @return bool Whether the block editor should be disabled or not.
 */
function _disable_block_editor_for_navigation_post_type( $value, $post_type ) {
	if ( 'wp_navigation' === $post_type ) {
		return false;
	}

return $value;
}

/**
 * This callback disables the content editor for wp_navigation type posts.
 * Content editor cannot handle wp_navigation type posts correctly.
 * We cannot disable the "editor" feature in the wp_navigation's CPT definition
 * because it disables the ability to save navigation blocks via REST API.
 *
 * @since 5.9.0
 * @access private
 *
 * @param WP_Post $post An instance of WP_Post class.
 */
function _disable_content_editor_for_navigation_post_type( $post ) {
	$post_type = get_post_type( $post );
	if ( 'wp_navigation' !== $post_type ) {
		return;
	}

remove_post_type_support( $post_type, 'editor' );
}

/**
 * This callback enables content editor for wp_navigation type posts.
 * We need to enable it back because we disable it to hide
 * the content editor for wp_navigation type posts.
 *
 * @since 5.9.0
 * @access private
 *
 * @see _disable_content_editor_for_navigation_post_type
 *
 * @param WP_Post $post An instance of WP_Post class.
 */
function _enable_content_editor_for_navigation_post_type( $post ) {
	$post_type = get_post_type( $post );
	if ( 'wp_navigation' !== $post_type ) {
		return;
	}

add_post_type_support( $post_type, 'editor' );
}

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