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Edit File : Enclosure.php \| Size : 32.25 KB
<?php /** * SimplePie * * A PHP-Based RSS and Atom Feed Framework. * Takes the hard work out of managing a complete RSS/Atom solution. * * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, are * permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * * * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * * Neither the name of the SimplePie Team nor the names of its contributors may be used * to endorse or promote products derived from this software without specific prior * written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * * @package SimplePie * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue * @author Ryan Parman * @author Sam Sneddon * @author Ryan McCue * @link http://simplepie.org/ SimplePie * @license http://www.opensource.org/licenses/bsd-license.php BSD License / namespace SimplePie; /* * Handles everything related to enclosures (including Media RSS and iTunes RSS) * * Used by {@see \SimplePie\Item::get_enclosure()} and {@see \SimplePie\Item::get_enclosures()} * * This class can be overloaded with {@see \SimplePie\SimplePie::set_enclosure_class()} * * @package SimplePie * @subpackage API / class Enclosure { /* * @var string * @see get_bitrate() / public $bitrate; /* * @var array * @see get_captions() / public $captions; /* * @var array * @see get_categories() / public $categories; /* * @var int * @see get_channels() / public $channels; /* * @var \SimplePie\Copyright * @see get_copyright() / public $copyright; /* * @var array * @see get_credits() / public $credits; /* * @var string * @see get_description() / public $description; /* * @var int * @see get_duration() / public $duration; /* * @var string * @see get_expression() / public $expression; /* * @var string * @see get_framerate() / public $framerate; /* * @var string * @see get_handler() / public $handler; /* * @var array * @see get_hashes() / public $hashes; /* * @var string * @see get_height() / public $height; /* * @deprecated * @var null / public $javascript; /* * @var array * @see get_keywords() / public $keywords; /* * @var string * @see get_language() / public $lang; /* * @var string * @see get_length() / public $length; /* * @var string * @see get_link() / public $link; /* * @var string * @see get_medium() / public $medium; /* * @var string * @see get_player() / public $player; /* * @var array * @see get_ratings() / public $ratings; /* * @var array * @see get_restrictions() / public $restrictions; /* * @var string * @see get_sampling_rate() / public $samplingrate; /* * @var array * @see get_thumbnails() / public $thumbnails; /* * @var string * @see get_title() / public $title; /* * @var string * @see get_type() / public $type; /* * @var string * @see get_width() / public $width; /* * Constructor, used to input the data * * For documentation on all the parameters, see the corresponding * properties and their accessors * * @uses idna_convert If available, this will convert an IDN / public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null) { $this->bitrate = $bitrate; $this->captions = $captions; $this->categories = $categories; $this->channels = $channels; $this->copyright = $copyright; $this->credits = $credits; $this->description = $description; $this->duration = $duration; $this->expression = $expression; $this->framerate = $framerate; $this->hashes = $hashes; $this->height = $height; $this->keywords = $keywords; $this->lang = $lang; $this->length = $length; $this->link = $link; $this->medium = $medium; $this->player = $player; $this->ratings = $ratings; $this->restrictions = $restrictions; $this->samplingrate = $samplingrate; $this->thumbnails = $thumbnails; $this->title = $title; $this->type = $type; $this->width = $width; if (class_exists('idna_convert')) { $idn = new \idna_convert(); $parsed = \SimplePie\Misc::parse_url($link); $this->link = \SimplePie\Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']); } $this->handler = $this->get_handler(); // Needs to load last } /* * String-ified version * * @return string / public function __toString() { // There is no $this->data here return md5(serialize($this)); } /* * Get the bitrate * * @return string\|null / public function get_bitrate() { if ($this->bitrate !== null) { return $this->bitrate; } return null; } /* * Get a single caption * * @param int $key * @return \SimplePie\Caption\|null / public function get_caption($key = 0) { $captions = $this->get_captions(); if (isset($captions[$key])) { return $captions[$key]; } return null; } /* * Get all captions * * @return array\|null Array of {@see \SimplePie\Caption} objects / public function get_captions() { if ($this->captions !== null) { return $this->captions; } return null; } /* * Get a single category * * @param int $key * @return \SimplePie\Category\|null / public function get_category($key = 0) { $categories = $this->get_categories(); if (isset($categories[$key])) { return $categories[$key]; } return null; } /* * Get all categories * * @return array\|null Array of {@see \SimplePie\Category} objects / public function get_categories() { if ($this->categories !== null) { return $this->categories; } return null; } /* * Get the number of audio channels * * @return int\|null / public function get_channels() { if ($this->channels !== null) { return $this->channels; } return null; } /* * Get the copyright information * * @return \SimplePie\Copyright\|null / public function get_copyright() { if ($this->copyright !== null) { return $this->copyright; } return null; } /* * Get a single credit * * @param int $key * @return \SimplePie\Credit\|null / public function get_credit($key = 0) { $credits = $this->get_credits(); if (isset($credits[$key])) { return $credits[$key]; } return null; } /* * Get all credits * * @return array\|null Array of {@see \SimplePie\Credit} objects / public function get_credits() { if ($this->credits !== null) { return $this->credits; } return null; } /* * Get the description of the enclosure * * @return string\|null / public function get_description() { if ($this->description !== null) { return $this->description; } return null; } /* * Get the duration of the enclosure * * @param bool $convert Convert seconds into hh:mm:ss * @return string\|int\|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found) / public function get_duration($convert = false) { if ($this->duration !== null) { if ($convert) { $time = \SimplePie\Misc::time_hms($this->duration); return $time; } return $this->duration; } return null; } /* * Get the expression * * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full' / public function get_expression() { if ($this->expression !== null) { return $this->expression; } return 'full'; } /* * Get the file extension * * @return string\|null / public function get_extension() { if ($this->link !== null) { $url = \SimplePie\Misc::parse_url($this->link); if ($url['path'] !== '') { return pathinfo($url['path'], PATHINFO_EXTENSION); } } return null; } /* * Get the framerate (in frames-per-second) * * @return string\|null / public function get_framerate() { if ($this->framerate !== null) { return $this->framerate; } return null; } /* * Get the preferred handler * * @return string\|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3' / public function get_handler() { return $this->get_real_type(true); } /* * Get a single hash * * @link http://www.rssboard.org/media-rss#media-hash * @param int $key * @return string\|null Hash as per `media:hash`, prefixed with "$algo:" / public function get_hash($key = 0) { $hashes = $this->get_hashes(); if (isset($hashes[$key])) { return $hashes[$key]; } return null; } /* * Get all credits * * @return array\|null Array of strings, see {@see get_hash()} / public function get_hashes() { if ($this->hashes !== null) { return $this->hashes; } return null; } /* * Get the height * * @return string\|null / public function get_height() { if ($this->height !== null) { return $this->height; } return null; } /* * Get the language * * @link http://tools.ietf.org/html/rfc3066 * @return string\|null Language code as per RFC 3066 / public function get_language() { if ($this->lang !== null) { return $this->lang; } return null; } /* * Get a single keyword * * @param int $key * @return string\|null / public function get_keyword($key = 0) { $keywords = $this->get_keywords(); if (isset($keywords[$key])) { return $keywords[$key]; } return null; } /* * Get all keywords * * @return array\|null Array of strings / public function get_keywords() { if ($this->keywords !== null) { return $this->keywords; } return null; } /* * Get length * * @return float Length in bytes / public function get_length() { if ($this->length !== null) { return $this->length; } return null; } /* * Get the URL * * @return string\|null / public function get_link() { if ($this->link !== null) { return $this->link; } return null; } /* * Get the medium * * @link http://www.rssboard.org/media-rss#media-content * @return string\|null Should be one of 'image', 'audio', 'video', 'document', 'executable' / public function get_medium() { if ($this->medium !== null) { return $this->medium; } return null; } /* * Get the player URL * * Typically the same as {@see get_permalink()} * @return string\|null Player URL / public function get_player() { if ($this->player !== null) { return $this->player; } return null; } /* * Get a single rating * * @param int $key * @return \SimplePie\Rating\|null / public function get_rating($key = 0) { $ratings = $this->get_ratings(); if (isset($ratings[$key])) { return $ratings[$key]; } return null; } /* * Get all ratings * * @return array\|null Array of {@see \SimplePie\Rating} objects / public function get_ratings() { if ($this->ratings !== null) { return $this->ratings; } return null; } /* * Get a single restriction * * @param int $key * @return \SimplePie\Restriction\|null / public function get_restriction($key = 0) { $restrictions = $this->get_restrictions(); if (isset($restrictions[$key])) { return $restrictions[$key]; } return null; } /* * Get all restrictions * * @return array\|null Array of {@see \SimplePie\Restriction} objects / public function get_restrictions() { if ($this->restrictions !== null) { return $this->restrictions; } return null; } /* * Get the sampling rate (in kHz) * * @return string\|null / public function get_sampling_rate() { if ($this->samplingrate !== null) { return $this->samplingrate; } return null; } /* * Get the file size (in MiB) * * @return float\|null File size in mebibytes (1048 bytes) / public function get_size() { $length = $this->get_length(); if ($length !== null) { return round($length / 1048576, 2); } return null; } /* * Get a single thumbnail * * @param int $key * @return string\|null Thumbnail URL / public function get_thumbnail($key = 0) { $thumbnails = $this->get_thumbnails(); if (isset($thumbnails[$key])) { return $thumbnails[$key]; } return null; } /* * Get all thumbnails * * @return array\|null Array of thumbnail URLs / public function get_thumbnails() { if ($this->thumbnails !== null) { return $this->thumbnails; } return null; } /* * Get the title * * @return string\|null / public function get_title() { if ($this->title !== null) { return $this->title; } return null; } /* * Get mimetype of the enclosure * * @see get_real_type() * @return string\|null MIME type / public function get_type() { if ($this->type !== null) { return $this->type; } return null; } /* * Get the width * * @return string\|null / public function get_width() { if ($this->width !== null) { return $this->width; } return null; } /* * Embed the enclosure using `<embed>` * * @deprecated Use the second parameter to {@see embed} instead * * @param array\|string $options See first parameter to {@see embed} * @return string HTML string to output / public function native_embed($options = '') { return $this->embed($options, true); } /* * Embed the enclosure using Javascript * * `$options` is an array or comma-separated key:value string, with the * following properties: * * - `alt` (string): Alternate content for when an end-user does not have * the appropriate handler installed or when a file type is * unsupported. Can be any text or HTML. Defaults to blank. * - `altclass` (string): If a file type is unsupported, the end-user will * see the alt text (above) linked directly to the content. That link * will have this value as its class name. Defaults to blank. * - `audio` (string): This is an image that should be used as a * placeholder for audio files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `bgcolor` (string): The background color for the media, if not * already transparent. Defaults to `#ffffff`. * - `height` (integer): The height of the embedded media. Accepts any * numeric pixel value (such as `360`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `loop` (boolean): Do you want the media to loop when it's done? * Defaults to `false`. * - `mediaplayer` (string): The location of the included * `mediaplayer.swf` file. This allows for the playback of Flash Video * (`.flv`) files, and is the default handler for non-Odeo MP3's. * Defaults to blank. * - `video` (string): This is an image that should be used as a * placeholder for video files before they're loaded (QuickTime-only). * Can be any relative or absolute URL. Defaults to blank. * - `width` (integer): The width of the embedded media. Accepts any * numeric pixel value (such as `480`) or `auto`. Defaults to `auto`, * and it is recommended that you use this default. * - `widescreen` (boolean): Is the enclosure widescreen or standard? * This applies only to video enclosures, and will automatically resize * the content appropriately. Defaults to `false`, implying 4:3 mode. * * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto` * will default to 480x360 video resolution. Widescreen (16:9) mode with * `width` and `height` set to `auto` will default to 480x270 video resolution. * * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'. * @param array\|string $options Comma-separated key:value list, or array * @param bool $native Use `<embed>` * @return string HTML string to output / public function embed($options = '', $native = false) { // Set up defaults $audio = ''; $video = ''; $alt = ''; $altclass = ''; $loop = 'false'; $width = 'auto'; $height = 'auto'; $bgcolor = '#ffffff'; $mediaplayer = ''; $widescreen = false; $handler = $this->get_handler(); $type = $this->get_real_type(); $placeholder = ''; // Process options and reassign values as necessary if (is_array($options)) { extract($options); } else { $options = explode(',', $options); foreach ($options as $option) { $opt = explode(':', $option, 2); if (isset($opt[0], $opt[1])) { $opt[0] = trim($opt[0]); $opt[1] = trim($opt[1]); switch ($opt[0]) { case 'audio': $audio = $opt[1]; break; case 'video': $video = $opt[1]; break; case 'alt': $alt = $opt[1]; break; case 'altclass': $altclass = $opt[1]; break; case 'loop': $loop = $opt[1]; break; case 'width': $width = $opt[1]; break; case 'height': $height = $opt[1]; break; case 'bgcolor': $bgcolor = $opt[1]; break; case 'mediaplayer': $mediaplayer = $opt[1]; break; case 'widescreen': $widescreen = $opt[1]; break; } } } } $mime = explode('/', $type, 2); $mime = $mime[0]; // Process values for 'auto' if ($width === 'auto') { if ($mime === 'video') { if ($height === 'auto') { $width = 480; } elseif ($widescreen) { $width = round((intval($height) / 9) 16); } else { $width = round((intval($height) / 3) * 4); } } else { $width = '100%'; } } if ($height === 'auto') { if ($mime === 'audio') { $height = 0; } elseif ($mime === 'video') { if ($width === 'auto') { if ($widescreen) { $height = 270; } else { $height = 360; } } elseif ($widescreen) { $height = round((intval($width) / 16) * 9); } else { $height = round((intval($width) / 4) * 3); } } else { $height = 376; } } elseif ($mime === 'audio') { $height = 0; } // Set proper placeholder value if ($mime === 'audio') { $placeholder = $audio; } elseif ($mime === 'video') { $placeholder = $video; } $embed = ''; // Flash if ($handler === 'flash') { if ($native) { $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>"; } } // Flash Media Player file types. // Preferred handler for MP3 file types. elseif ($handler === 'fmedia' \|\| ($handler === 'mp3' && $mediaplayer !== '')) { $height += 20; if ($native) { $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>"; } } // QuickTime 7 file types. Need to test with QuickTime 6. // Only handle MP3's if the Flash Media Player is not present. elseif ($handler === 'quicktime' \|\| ($handler === 'mp3' && $mediaplayer === '')) { $height += 16; if ($native) { if ($placeholder !== '') { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } else { $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>"; } } else { $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>"; } } // Windows Media elseif ($handler === 'wmedia') { $height += 45; if ($native) { $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>"; } else { $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>"; } } // Everything else else { $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>'; } return $embed; } /** * Get the real media type * * Often, feeds lie to us, necessitating a bit of deeper inspection. This * converts types to their canonical representations based on the file * extension * * @see get_type() * @param bool $find_handler Internal use only, use {@see get_handler()} instead * @return string MIME type */ public function get_real_type($find_handler = false) { // Mime-types by handler. $types_flash = ['application/x-shockwave-flash', 'application/futuresplash']; // Flash $types_fmedia = ['video/flv', 'video/x-flv','flv-application/octet-stream']; // Flash Media Player $types_quicktime = ['audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video']; // QuickTime $types_wmedia = ['application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx']; // Windows Media $types_mp3 = ['audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg']; // MP3 if ($this->get_type() !== null) { $type = strtolower($this->type); } else { $type = null; } // If we encounter an unsupported mime-type, check the file extension and guess intelligently. if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) { $extension = $this->get_extension(); if ($extension === null) { return null; } switch (strtolower($extension)) { // Audio mime-types case 'aac': case 'adts': $type = 'audio/acc'; break; case 'aif': case 'aifc': case 'aiff': case 'cdda': $type = 'audio/aiff'; break; case 'bwf': $type = 'audio/wav'; break; case 'kar': case 'mid': case 'midi': case 'smf': $type = 'audio/midi'; break; case 'm4a': $type = 'audio/x-m4a'; break; case 'mp3': case 'swa': $type = 'audio/mp3'; break; case 'wav': $type = 'audio/wav'; break; case 'wax': $type = 'audio/x-ms-wax'; break; case 'wma': $type = 'audio/x-ms-wma'; break; // Video mime-types case '3gp': case '3gpp': $type = 'video/3gpp'; break; case '3g2': case '3gp2': $type = 'video/3gpp2'; break; case 'asf': $type = 'video/x-ms-asf'; break; case 'flv': $type = 'video/x-flv'; break; case 'm1a': case 'm1s': case 'm1v': case 'm15': case 'm75': case 'mp2': case 'mpa': case 'mpeg': case 'mpg': case 'mpm': case 'mpv': $type = 'video/mpeg'; break; case 'm4v': $type = 'video/x-m4v'; break; case 'mov': case 'qt': $type = 'video/quicktime'; break; case 'mp4': case 'mpg4': $type = 'video/mp4'; break; case 'sdv': $type = 'video/sd-video'; break; case 'wm': $type = 'video/x-ms-wm'; break; case 'wmv': $type = 'video/x-ms-wmv'; break; case 'wvx': $type = 'video/x-ms-wvx'; break; // Flash mime-types case 'spl': $type = 'application/futuresplash'; break; case 'swf': $type = 'application/x-shockwave-flash'; break; } } if ($find_handler) { if (in_array($type, $types_flash)) { return 'flash'; } elseif (in_array($type, $types_fmedia)) { return 'fmedia'; } elseif (in_array($type, $types_quicktime)) { return 'quicktime'; } elseif (in_array($type, $types_wmedia)) { return 'wmedia'; } elseif (in_array($type, $types_mp3)) { return 'mp3'; } return null; } return $type; } } class_alias('SimplePie\Enclosure', 'SimplePie_Enclosure'); Back

Edit File : Enclosure.php | Size : 32.25 KB

<?php

/**
 * SimplePie
 *
 * A PHP-Based RSS and Atom Feed Framework.
 * Takes the hard work out of managing a complete RSS/Atom solution.
 *
 * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are
 * permitted provided that the following conditions are met:
 *
 * 	* Redistributions of source code must retain the above copyright notice, this list of
 * 	  conditions and the following disclaimer.
 *
 * 	* Redistributions in binary form must reproduce the above copyright notice, this list
 * 	  of conditions and the following disclaimer in the documentation and/or other materials
 * 	  provided with the distribution.
 *
 * 	* Neither the name of the SimplePie Team nor the names of its contributors may be used
 * 	  to endorse or promote products derived from this software without specific prior
 * 	  written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
 * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @package SimplePie
 * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
 * @author Ryan Parman
 * @author Sam Sneddon
 * @author Ryan McCue
 * @link http://simplepie.org/ SimplePie
 * @license http://www.opensource.org/licenses/bsd-license.php BSD License
 */

namespace SimplePie;

/**
 * Handles everything related to enclosures (including Media RSS and iTunes RSS)
 *
 * Used by {@see \SimplePie\Item::get_enclosure()} and {@see \SimplePie\Item::get_enclosures()}
 *
 * This class can be overloaded with {@see \SimplePie\SimplePie::set_enclosure_class()}
 *
 * @package SimplePie
 * @subpackage API
 */
class Enclosure
{
    /**
     * @var string
     * @see get_bitrate()
     */
    public $bitrate;

/**
     * @var array
     * @see get_captions()
     */
    public $captions;

/**
     * @var array
     * @see get_categories()
     */
    public $categories;

/**
     * @var int
     * @see get_channels()
     */
    public $channels;

/**
     * @var \SimplePie\Copyright
     * @see get_copyright()
     */
    public $copyright;

/**
     * @var array
     * @see get_credits()
     */
    public $credits;

/**
     * @var string
     * @see get_description()
     */
    public $description;

/**
     * @var int
     * @see get_duration()
     */
    public $duration;

/**
     * @var string
     * @see get_expression()
     */
    public $expression;

/**
     * @var string
     * @see get_framerate()
     */
    public $framerate;

/**
     * @var string
     * @see get_handler()
     */
    public $handler;

/**
     * @var array
     * @see get_hashes()
     */
    public $hashes;

/**
     * @var string
     * @see get_height()
     */
    public $height;

/**
     * @deprecated
     * @var null
     */
    public $javascript;

/**
     * @var array
     * @see get_keywords()
     */
    public $keywords;

/**
     * @var string
     * @see get_language()
     */
    public $lang;

/**
     * @var string
     * @see get_length()
     */
    public $length;

/**
     * @var string
     * @see get_link()
     */
    public $link;

/**
     * @var string
     * @see get_medium()
     */
    public $medium;

/**
     * @var string
     * @see get_player()
     */
    public $player;

/**
     * @var array
     * @see get_ratings()
     */
    public $ratings;

/**
     * @var array
     * @see get_restrictions()
     */
    public $restrictions;

/**
     * @var string
     * @see get_sampling_rate()
     */
    public $samplingrate;

/**
     * @var array
     * @see get_thumbnails()
     */
    public $thumbnails;

/**
     * @var string
     * @see get_title()
     */
    public $title;

/**
     * @var string
     * @see get_type()
     */
    public $type;

/**
     * @var string
     * @see get_width()
     */
    public $width;

/**
     * Constructor, used to input the data
     *
     * For documentation on all the parameters, see the corresponding
     * properties and their accessors
     *
     * @uses idna_convert If available, this will convert an IDN
     */
    public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null)
    {
        $this->bitrate = $bitrate;
        $this->captions = $captions;
        $this->categories = $categories;
        $this->channels = $channels;
        $this->copyright = $copyright;
        $this->credits = $credits;
        $this->description = $description;
        $this->duration = $duration;
        $this->expression = $expression;
        $this->framerate = $framerate;
        $this->hashes = $hashes;
        $this->height = $height;
        $this->keywords = $keywords;
        $this->lang = $lang;
        $this->length = $length;
        $this->link = $link;
        $this->medium = $medium;
        $this->player = $player;
        $this->ratings = $ratings;
        $this->restrictions = $restrictions;
        $this->samplingrate = $samplingrate;
        $this->thumbnails = $thumbnails;
        $this->title = $title;
        $this->type = $type;
        $this->width = $width;

if (class_exists('idna_convert')) {
            $idn = new \idna_convert();
            $parsed = \SimplePie\Misc::parse_url($link);
            $this->link = \SimplePie\Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']);
        }
        $this->handler = $this->get_handler(); // Needs to load last
    }

/**
     * String-ified version
     *
     * @return string
     */
    public function __toString()
    {
        // There is no $this->data here
        return md5(serialize($this));
    }

/**
     * Get the bitrate
     *
     * @return string|null
     */
    public function get_bitrate()
    {
        if ($this->bitrate !== null) {
            return $this->bitrate;
        }

return null;
    }

/**
     * Get a single caption
     *
     * @param int $key
     * @return \SimplePie\Caption|null
     */
    public function get_caption($key = 0)
    {
        $captions = $this->get_captions();
        if (isset($captions[$key])) {
            return $captions[$key];
        }

return null;
    }

/**
     * Get all captions
     *
     * @return array|null Array of {@see \SimplePie\Caption} objects
     */
    public function get_captions()
    {
        if ($this->captions !== null) {
            return $this->captions;
        }

return null;
    }

/**
     * Get a single category
     *
     * @param int $key
     * @return \SimplePie\Category|null
     */
    public function get_category($key = 0)
    {
        $categories = $this->get_categories();
        if (isset($categories[$key])) {
            return $categories[$key];
        }

return null;
    }

/**
     * Get all categories
     *
     * @return array|null Array of {@see \SimplePie\Category} objects
     */
    public function get_categories()
    {
        if ($this->categories !== null) {
            return $this->categories;
        }

return null;
    }

/**
     * Get the number of audio channels
     *
     * @return int|null
     */
    public function get_channels()
    {
        if ($this->channels !== null) {
            return $this->channels;
        }

return null;
    }

/**
     * Get the copyright information
     *
     * @return \SimplePie\Copyright|null
     */
    public function get_copyright()
    {
        if ($this->copyright !== null) {
            return $this->copyright;
        }

return null;
    }

/**
     * Get a single credit
     *
     * @param int $key
     * @return \SimplePie\Credit|null
     */
    public function get_credit($key = 0)
    {
        $credits = $this->get_credits();
        if (isset($credits[$key])) {
            return $credits[$key];
        }

return null;
    }

/**
     * Get all credits
     *
     * @return array|null Array of {@see \SimplePie\Credit} objects
     */
    public function get_credits()
    {
        if ($this->credits !== null) {
            return $this->credits;
        }

return null;
    }

/**
     * Get the description of the enclosure
     *
     * @return string|null
     */
    public function get_description()
    {
        if ($this->description !== null) {
            return $this->description;
        }

return null;
    }

/**
     * Get the duration of the enclosure
     *
     * @param bool $convert Convert seconds into hh:mm:ss
     * @return string|int|null 'hh:mm:ss' string if `$convert` was specified, otherwise integer (or null if none found)
     */
    public function get_duration($convert = false)
    {
        if ($this->duration !== null) {
            if ($convert) {
                $time = \SimplePie\Misc::time_hms($this->duration);
                return $time;
            }

return $this->duration;
        }

return null;
    }

/**
     * Get the expression
     *
     * @return string Probably one of 'sample', 'full', 'nonstop', 'clip'. Defaults to 'full'
     */
    public function get_expression()
    {
        if ($this->expression !== null) {
            return $this->expression;
        }

return 'full';
    }

/**
     * Get the file extension
     *
     * @return string|null
     */
    public function get_extension()
    {
        if ($this->link !== null) {
            $url = \SimplePie\Misc::parse_url($this->link);
            if ($url['path'] !== '') {
                return pathinfo($url['path'], PATHINFO_EXTENSION);
            }
        }
        return null;
    }

/**
     * Get the framerate (in frames-per-second)
     *
     * @return string|null
     */
    public function get_framerate()
    {
        if ($this->framerate !== null) {
            return $this->framerate;
        }

return null;
    }

/**
     * Get the preferred handler
     *
     * @return string|null One of 'flash', 'fmedia', 'quicktime', 'wmedia', 'mp3'
     */
    public function get_handler()
    {
        return $this->get_real_type(true);
    }

/**
     * Get a single hash
     *
     * @link http://www.rssboard.org/media-rss#media-hash
     * @param int $key
     * @return string|null Hash as per `media:hash`, prefixed with "$algo:"
     */
    public function get_hash($key = 0)
    {
        $hashes = $this->get_hashes();
        if (isset($hashes[$key])) {
            return $hashes[$key];
        }

return null;
    }

/**
     * Get all credits
     *
     * @return array|null Array of strings, see {@see get_hash()}
     */
    public function get_hashes()
    {
        if ($this->hashes !== null) {
            return $this->hashes;
        }

return null;
    }

/**
     * Get the height
     *
     * @return string|null
     */
    public function get_height()
    {
        if ($this->height !== null) {
            return $this->height;
        }

return null;
    }

/**
     * Get the language
     *
     * @link http://tools.ietf.org/html/rfc3066
     * @return string|null Language code as per RFC 3066
     */
    public function get_language()
    {
        if ($this->lang !== null) {
            return $this->lang;
        }

return null;
    }

/**
     * Get a single keyword
     *
     * @param int $key
     * @return string|null
     */
    public function get_keyword($key = 0)
    {
        $keywords = $this->get_keywords();
        if (isset($keywords[$key])) {
            return $keywords[$key];
        }

return null;
    }

/**
     * Get all keywords
     *
     * @return array|null Array of strings
     */
    public function get_keywords()
    {
        if ($this->keywords !== null) {
            return $this->keywords;
        }

return null;
    }

/**
     * Get length
     *
     * @return float Length in bytes
     */
    public function get_length()
    {
        if ($this->length !== null) {
            return $this->length;
        }

return null;
    }

/**
     * Get the URL
     *
     * @return string|null
     */
    public function get_link()
    {
        if ($this->link !== null) {
            return $this->link;
        }

return null;
    }

/**
     * Get the medium
     *
     * @link http://www.rssboard.org/media-rss#media-content
     * @return string|null Should be one of 'image', 'audio', 'video', 'document', 'executable'
     */
    public function get_medium()
    {
        if ($this->medium !== null) {
            return $this->medium;
        }

return null;
    }

/**
     * Get the player URL
     *
     * Typically the same as {@see get_permalink()}
     * @return string|null Player URL
     */
    public function get_player()
    {
        if ($this->player !== null) {
            return $this->player;
        }

return null;
    }

/**
     * Get a single rating
     *
     * @param int $key
     * @return \SimplePie\Rating|null
     */
    public function get_rating($key = 0)
    {
        $ratings = $this->get_ratings();
        if (isset($ratings[$key])) {
            return $ratings[$key];
        }

return null;
    }

/**
     * Get all ratings
     *
     * @return array|null Array of {@see \SimplePie\Rating} objects
     */
    public function get_ratings()
    {
        if ($this->ratings !== null) {
            return $this->ratings;
        }

return null;
    }

/**
     * Get a single restriction
     *
     * @param int $key
     * @return \SimplePie\Restriction|null
     */
    public function get_restriction($key = 0)
    {
        $restrictions = $this->get_restrictions();
        if (isset($restrictions[$key])) {
            return $restrictions[$key];
        }

return null;
    }

/**
     * Get all restrictions
     *
     * @return array|null Array of {@see \SimplePie\Restriction} objects
     */
    public function get_restrictions()
    {
        if ($this->restrictions !== null) {
            return $this->restrictions;
        }

return null;
    }

/**
     * Get the sampling rate (in kHz)
     *
     * @return string|null
     */
    public function get_sampling_rate()
    {
        if ($this->samplingrate !== null) {
            return $this->samplingrate;
        }

return null;
    }

/**
     * Get the file size (in MiB)
     *
     * @return float|null File size in mebibytes (1048 bytes)
     */
    public function get_size()
    {
        $length = $this->get_length();
        if ($length !== null) {
            return round($length / 1048576, 2);
        }

return null;
    }

/**
     * Get a single thumbnail
     *
     * @param int $key
     * @return string|null Thumbnail URL
     */
    public function get_thumbnail($key = 0)
    {
        $thumbnails = $this->get_thumbnails();
        if (isset($thumbnails[$key])) {
            return $thumbnails[$key];
        }

return null;
    }

/**
     * Get all thumbnails
     *
     * @return array|null Array of thumbnail URLs
     */
    public function get_thumbnails()
    {
        if ($this->thumbnails !== null) {
            return $this->thumbnails;
        }

return null;
    }

/**
     * Get the title
     *
     * @return string|null
     */
    public function get_title()
    {
        if ($this->title !== null) {
            return $this->title;
        }

return null;
    }

/**
     * Get mimetype of the enclosure
     *
     * @see get_real_type()
     * @return string|null MIME type
     */
    public function get_type()
    {
        if ($this->type !== null) {
            return $this->type;
        }

return null;
    }

/**
     * Get the width
     *
     * @return string|null
     */
    public function get_width()
    {
        if ($this->width !== null) {
            return $this->width;
        }

return null;
    }

/**
     * Embed the enclosure using `<embed>`
     *
     * @deprecated Use the second parameter to {@see embed} instead
     *
     * @param array|string $options See first parameter to {@see embed}
     * @return string HTML string to output
     */
    public function native_embed($options = '')
    {
        return $this->embed($options, true);
    }

/**
     * Embed the enclosure using Javascript
     *
     * `$options` is an array or comma-separated key:value string, with the
     * following properties:
     *
     * - `alt` (string): Alternate content for when an end-user does not have
     *    the appropriate handler installed or when a file type is
     *    unsupported. Can be any text or HTML. Defaults to blank.
     * - `altclass` (string): If a file type is unsupported, the end-user will
     *    see the alt text (above) linked directly to the content. That link
     *    will have this value as its class name. Defaults to blank.
     * - `audio` (string): This is an image that should be used as a
     *    placeholder for audio files before they're loaded (QuickTime-only).
     *    Can be any relative or absolute URL. Defaults to blank.
     * - `bgcolor` (string): The background color for the media, if not
     *    already transparent. Defaults to `#ffffff`.
     * - `height` (integer): The height of the embedded media. Accepts any
     *    numeric pixel value (such as `360`) or `auto`. Defaults to `auto`,
     *    and it is recommended that you use this default.
     * - `loop` (boolean): Do you want the media to loop when it's done?
     *    Defaults to `false`.
     * - `mediaplayer` (string): The location of the included
     *    `mediaplayer.swf` file. This allows for the playback of Flash Video
     *    (`.flv`) files, and is the default handler for non-Odeo MP3's.
     *    Defaults to blank.
     * - `video` (string): This is an image that should be used as a
     *    placeholder for video files before they're loaded (QuickTime-only).
     *    Can be any relative or absolute URL. Defaults to blank.
     * - `width` (integer): The width of the embedded media. Accepts any
     *    numeric pixel value (such as `480`) or `auto`. Defaults to `auto`,
     *    and it is recommended that you use this default.
     * - `widescreen` (boolean): Is the enclosure widescreen or standard?
     *    This applies only to video enclosures, and will automatically resize
     *    the content appropriately.  Defaults to `false`, implying 4:3 mode.
     *
     * Note: Non-widescreen (4:3) mode with `width` and `height` set to `auto`
     * will default to 480x360 video resolution.  Widescreen (16:9) mode with
     * `width` and `height` set to `auto` will default to 480x270 video resolution.
     *
     * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'.
     * @param array|string $options Comma-separated key:value list, or array
     * @param bool $native Use `<embed>`
     * @return string HTML string to output
     */
    public function embed($options = '', $native = false)
    {
        // Set up defaults
        $audio = '';
        $video = '';
        $alt = '';
        $altclass = '';
        $loop = 'false';
        $width = 'auto';
        $height = 'auto';
        $bgcolor = '#ffffff';
        $mediaplayer = '';
        $widescreen = false;
        $handler = $this->get_handler();
        $type = $this->get_real_type();
        $placeholder = '';

// Process options and reassign values as necessary
        if (is_array($options)) {
            extract($options);
        } else {
            $options = explode(',', $options);
            foreach ($options as $option) {
                $opt = explode(':', $option, 2);
                if (isset($opt[0], $opt[1])) {
                    $opt[0] = trim($opt[0]);
                    $opt[1] = trim($opt[1]);
                    switch ($opt[0]) {
                        case 'audio':
                            $audio = $opt[1];
                            break;

case 'video':
                            $video = $opt[1];
                            break;

case 'alt':
                            $alt = $opt[1];
                            break;

case 'altclass':
                            $altclass = $opt[1];
                            break;

case 'loop':
                            $loop = $opt[1];
                            break;

case 'width':
                            $width = $opt[1];
                            break;

case 'height':
                            $height = $opt[1];
                            break;

case 'bgcolor':
                            $bgcolor = $opt[1];
                            break;

case 'mediaplayer':
                            $mediaplayer = $opt[1];
                            break;

case 'widescreen':
                            $widescreen = $opt[1];
                            break;
                    }
                }
            }
        }

$mime = explode('/', $type, 2);
        $mime = $mime[0];

// Process values for 'auto'
        if ($width === 'auto') {
            if ($mime === 'video') {
                if ($height === 'auto') {
                    $width = 480;
                } elseif ($widescreen) {
                    $width = round((intval($height) / 9) * 16);
                } else {
                    $width = round((intval($height) / 3) * 4);
                }
            } else {
                $width = '100%';
            }
        }

if ($height === 'auto') {
            if ($mime === 'audio') {
                $height = 0;
            } elseif ($mime === 'video') {
                if ($width === 'auto') {
                    if ($widescreen) {
                        $height = 270;
                    } else {
                        $height = 360;
                    }
                } elseif ($widescreen) {
                    $height = round((intval($width) / 16) * 9);
                } else {
                    $height = round((intval($width) / 4) * 3);
                }
            } else {
                $height = 376;
            }
        } elseif ($mime === 'audio') {
            $height = 0;
        }

// Set proper placeholder value
        if ($mime === 'audio') {
            $placeholder = $audio;
        } elseif ($mime === 'video') {
            $placeholder = $video;
        }

$embed = '';

// Flash
        if ($handler === 'flash') {
            if ($native) {
                $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>";
            } else {
                $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>";
            }
        }

// Flash Media Player file types.
        // Preferred handler for MP3 file types.
        elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== '')) {
            $height += 20;
            if ($native) {
                $embed .= "<embed src=\"$mediaplayer\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" quality=\"high\" width=\"$width\" height=\"$height\" wmode=\"transparent\" flashvars=\"file=" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\"></embed>";
            } else {
                $embed .= "<script type='text/javascript'>embed_flv('$width', '$height', '" . rawurlencode($this->get_link().'?file_extension=.'.$this->get_extension()) . "', '$placeholder', '$loop', '$mediaplayer');</script>";
            }
        }

// QuickTime 7 file types.  Need to test with QuickTime 6.
        // Only handle MP3's if the Flash Media Player is not present.
        elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === '')) {
            $height += 16;
            if ($native) {
                if ($placeholder !== '') {
                    $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
                } else {
                    $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\"></embed>";
                }
            } else {
                $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>";
            }
        }

// Windows Media
        elseif ($handler === 'wmedia') {
            $height += 45;
            if ($native) {
                $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>";
            } else {
                $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>";
            }
        }

// Everything else
        else {
            $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>';
        }

return $embed;
    }

/**
     * Get the real media type
     *
     * Often, feeds lie to us, necessitating a bit of deeper inspection. This
     * converts types to their canonical representations based on the file
     * extension
     *
     * @see get_type()
     * @param bool $find_handler Internal use only, use {@see get_handler()} instead
     * @return string MIME type
     */
    public function get_real_type($find_handler = false)
    {
        // Mime-types by handler.
        $types_flash = ['application/x-shockwave-flash', 'application/futuresplash']; // Flash
        $types_fmedia = ['video/flv', 'video/x-flv','flv-application/octet-stream']; // Flash Media Player
        $types_quicktime = ['audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video']; // QuickTime
        $types_wmedia = ['application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx']; // Windows Media
        $types_mp3 = ['audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg']; // MP3

if ($this->get_type() !== null) {
            $type = strtolower($this->type);
        } else {
            $type = null;
        }

// If we encounter an unsupported mime-type, check the file extension and guess intelligently.
        if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) {
            $extension = $this->get_extension();
            if ($extension === null) {
                return null;
            }

switch (strtolower($extension)) {
                // Audio mime-types
                case 'aac':
                case 'adts':
                    $type = 'audio/acc';
                    break;

case 'aif':
                case 'aifc':
                case 'aiff':
                case 'cdda':
                    $type = 'audio/aiff';
                    break;

case 'bwf':
                    $type = 'audio/wav';
                    break;

case 'kar':
                case 'mid':
                case 'midi':
                case 'smf':
                    $type = 'audio/midi';
                    break;

case 'm4a':
                    $type = 'audio/x-m4a';
                    break;

case 'mp3':
                case 'swa':
                    $type = 'audio/mp3';
                    break;

case 'wav':
                    $type = 'audio/wav';
                    break;

case 'wax':
                    $type = 'audio/x-ms-wax';
                    break;

case 'wma':
                    $type = 'audio/x-ms-wma';
                    break;

// Video mime-types
                case '3gp':
                case '3gpp':
                    $type = 'video/3gpp';
                    break;

case '3g2':
                case '3gp2':
                    $type = 'video/3gpp2';
                    break;

case 'asf':
                    $type = 'video/x-ms-asf';
                    break;

case 'flv':
                    $type = 'video/x-flv';
                    break;

case 'm1a':
                case 'm1s':
                case 'm1v':
                case 'm15':
                case 'm75':
                case 'mp2':
                case 'mpa':
                case 'mpeg':
                case 'mpg':
                case 'mpm':
                case 'mpv':
                    $type = 'video/mpeg';
                    break;

case 'm4v':
                    $type = 'video/x-m4v';
                    break;

case 'mov':
                case 'qt':
                    $type = 'video/quicktime';
                    break;

case 'mp4':
                case 'mpg4':
                    $type = 'video/mp4';
                    break;

case 'sdv':
                    $type = 'video/sd-video';
                    break;

case 'wm':
                    $type = 'video/x-ms-wm';
                    break;

case 'wmv':
                    $type = 'video/x-ms-wmv';
                    break;

case 'wvx':
                    $type = 'video/x-ms-wvx';
                    break;

// Flash mime-types
                case 'spl':
                    $type = 'application/futuresplash';
                    break;

case 'swf':
                    $type = 'application/x-shockwave-flash';
                    break;
            }
        }

if ($find_handler) {
            if (in_array($type, $types_flash)) {
                return 'flash';
            } elseif (in_array($type, $types_fmedia)) {
                return 'fmedia';
            } elseif (in_array($type, $types_quicktime)) {
                return 'quicktime';
            } elseif (in_array($type, $types_wmedia)) {
                return 'wmedia';
            } elseif (in_array($type, $types_mp3)) {
                return 'mp3';
            }

return null;
        }

return $type;
    }
}

class_alias('SimplePie\Enclosure', 'SimplePie_Enclosure');

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