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Edit File : IDNA2.php \| Size : 101.69 KB
<?php // {{{ license /* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: / // // +----------------------------------------------------------------------+ // \| This library is free software; you can redistribute it and/or modify \| // \| it under the terms of the GNU Lesser General Public License as \| // \| published by the Free Software Foundation; either version 2.1 of the \| // \| License, or (at your option) any later version. \| // \| \| // \| This library is distributed in the hope that it will be useful, but \| // \| WITHOUT ANY WARRANTY; without even the implied warranty of \| // \| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU \| // \| Lesser General Public License for more details. \| // \| \| // \| You should have received a copy of the GNU Lesser General Public \| // \| License along with this library; if not, write to the Free Software \| // \| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 \| // \| USA. \| // +----------------------------------------------------------------------+ // // }}} require_once 'Net/IDNA2/Exception.php'; require_once 'Net/IDNA2/Exception/Nameprep.php'; /* * Encode/decode Internationalized Domain Names. * * The class allows to convert internationalized domain names * (see RFC 3490 for details) as they can be used with various registries worldwide * to be translated between their original (localized) form and their encoded form * as it will be used in the DNS (Domain Name System). * * The class provides two public methods, encode() and decode(), which do exactly * what you would expect them to do. You are allowed to use complete domain names, * simple strings and complete email addresses as well. That means, that you might * use any of the following notations: * * - www.n�rgler.com * - xn--nrgler-wxa * - xn--brse-5qa.xn--knrz-1ra.info * * Unicode input might be given as either UTF-8 string, UCS-4 string or UCS-4 * array. Unicode output is available in the same formats. * You can select your preferred format via {@link set_paramter()}. * * ACE input and output is always expected to be ASCII. * * @package Net * @author Markus Nix <mnix@docuverse.de> * @author Matthias Sommerfeld <mso@phlylabs.de> * @author Stefan Neufeind <pear.neufeind@speedpartner.de> * @version $Id: IDNA2.php 305344 2010-11-14 23:52:42Z neufeind $ / class Net_IDNA2 { // {{{ npdata /* * These Unicode codepoints are * mapped to nothing, See RFC3454 for details * * @static * @var array * @access private / private static $_np_map_nothing = array( 0xAD, 0x34F, 0x1806, 0x180B, 0x180C, 0x180D, 0x200B, 0x200C, 0x200D, 0x2060, 0xFE00, 0xFE01, 0xFE02, 0xFE03, 0xFE04, 0xFE05, 0xFE06, 0xFE07, 0xFE08, 0xFE09, 0xFE0A, 0xFE0B, 0xFE0C, 0xFE0D, 0xFE0E, 0xFE0F, 0xFEFF ); /* * Prohibited codepints * * @static * @var array * @access private / private static $_general_prohibited = array( 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xA, 0xB, 0xC, 0xD, 0xE, 0xF, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2F, 0x3B, 0x3C, 0x3D, 0x3E, 0x3F, 0x40, 0x5B, 0x5C, 0x5D, 0x5E, 0x5F, 0x60, 0x7B, 0x7C, 0x7D, 0x7E, 0x7F, 0x3002 ); /* * Codepints prohibited by Nameprep * @static * @var array * @access private / private static $_np_prohibit = array( 0xA0, 0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x200B, 0x202F, 0x205F, 0x3000, 0x6DD, 0x70F, 0x180E, 0x200C, 0x200D, 0x2028, 0x2029, 0xFEFF, 0xFFF9, 0xFFFA, 0xFFFB, 0xFFFC, 0xFFFE, 0xFFFF, 0x1FFFE, 0x1FFFF, 0x2FFFE, 0x2FFFF, 0x3FFFE, 0x3FFFF, 0x4FFFE, 0x4FFFF, 0x5FFFE, 0x5FFFF, 0x6FFFE, 0x6FFFF, 0x7FFFE, 0x7FFFF, 0x8FFFE, 0x8FFFF, 0x9FFFE, 0x9FFFF, 0xAFFFE, 0xAFFFF, 0xBFFFE, 0xBFFFF, 0xCFFFE, 0xCFFFF, 0xDFFFE, 0xDFFFF, 0xEFFFE, 0xEFFFF, 0xFFFFE, 0xFFFFF, 0x10FFFE, 0x10FFFF, 0xFFF9, 0xFFFA, 0xFFFB, 0xFFFC, 0xFFFD, 0x340, 0x341, 0x200E, 0x200F, 0x202A, 0x202B, 0x202C, 0x202D, 0x202E, 0x206A, 0x206B, 0x206C, 0x206D, 0x206E, 0x206F, 0xE0001 ); /* * Codepoint ranges prohibited by nameprep * * @static * @var array * @access private / private static $_np_prohibit_ranges = array( array(0x80, 0x9F ), array(0x2060, 0x206F ), array(0x1D173, 0x1D17A ), array(0xE000, 0xF8FF ), array(0xF0000, 0xFFFFD ), array(0x100000, 0x10FFFD), array(0xFDD0, 0xFDEF ), array(0xD800, 0xDFFF ), array(0x2FF0, 0x2FFB ), array(0xE0020, 0xE007F ) ); /* * Replacement mappings (casemapping, replacement sequences, ...) * * @static * @var array * @access private / private static $_np_replacemaps = array( 0x41 => array(0x61), 0x42 => array(0x62), 0x43 => array(0x63), 0x44 => array(0x64), 0x45 => array(0x65), 0x46 => array(0x66), 0x47 => array(0x67), 0x48 => array(0x68), 0x49 => array(0x69), 0x4A => array(0x6A), 0x4B => array(0x6B), 0x4C => array(0x6C), 0x4D => array(0x6D), 0x4E => array(0x6E), 0x4F => array(0x6F), 0x50 => array(0x70), 0x51 => array(0x71), 0x52 => array(0x72), 0x53 => array(0x73), 0x54 => array(0x74), 0x55 => array(0x75), 0x56 => array(0x76), 0x57 => array(0x77), 0x58 => array(0x78), 0x59 => array(0x79), 0x5A => array(0x7A), 0xB5 => array(0x3BC), 0xC0 => array(0xE0), 0xC1 => array(0xE1), 0xC2 => array(0xE2), 0xC3 => array(0xE3), 0xC4 => array(0xE4), 0xC5 => array(0xE5), 0xC6 => array(0xE6), 0xC7 => array(0xE7), 0xC8 => array(0xE8), 0xC9 => array(0xE9), 0xCA => array(0xEA), 0xCB => array(0xEB), 0xCC => array(0xEC), 0xCD => array(0xED), 0xCE => array(0xEE), 0xCF => array(0xEF), 0xD0 => array(0xF0), 0xD1 => array(0xF1), 0xD2 => array(0xF2), 0xD3 => array(0xF3), 0xD4 => array(0xF4), 0xD5 => array(0xF5), 0xD6 => array(0xF6), 0xD8 => array(0xF8), 0xD9 => array(0xF9), 0xDA => array(0xFA), 0xDB => array(0xFB), 0xDC => array(0xFC), 0xDD => array(0xFD), 0xDE => array(0xFE), 0xDF => array(0x73, 0x73), 0x100 => array(0x101), 0x102 => array(0x103), 0x104 => array(0x105), 0x106 => array(0x107), 0x108 => array(0x109), 0x10A => array(0x10B), 0x10C => array(0x10D), 0x10E => array(0x10F), 0x110 => array(0x111), 0x112 => array(0x113), 0x114 => array(0x115), 0x116 => array(0x117), 0x118 => array(0x119), 0x11A => array(0x11B), 0x11C => array(0x11D), 0x11E => array(0x11F), 0x120 => array(0x121), 0x122 => array(0x123), 0x124 => array(0x125), 0x126 => array(0x127), 0x128 => array(0x129), 0x12A => array(0x12B), 0x12C => array(0x12D), 0x12E => array(0x12F), 0x130 => array(0x69, 0x307), 0x132 => array(0x133), 0x134 => array(0x135), 0x136 => array(0x137), 0x139 => array(0x13A), 0x13B => array(0x13C), 0x13D => array(0x13E), 0x13F => array(0x140), 0x141 => array(0x142), 0x143 => array(0x144), 0x145 => array(0x146), 0x147 => array(0x148), 0x149 => array(0x2BC, 0x6E), 0x14A => array(0x14B), 0x14C => array(0x14D), 0x14E => array(0x14F), 0x150 => array(0x151), 0x152 => array(0x153), 0x154 => array(0x155), 0x156 => array(0x157), 0x158 => array(0x159), 0x15A => array(0x15B), 0x15C => array(0x15D), 0x15E => array(0x15F), 0x160 => array(0x161), 0x162 => array(0x163), 0x164 => array(0x165), 0x166 => array(0x167), 0x168 => array(0x169), 0x16A => array(0x16B), 0x16C => array(0x16D), 0x16E => array(0x16F), 0x170 => array(0x171), 0x172 => array(0x173), 0x174 => array(0x175), 0x176 => array(0x177), 0x178 => array(0xFF), 0x179 => array(0x17A), 0x17B => array(0x17C), 0x17D => array(0x17E), 0x17F => array(0x73), 0x181 => array(0x253), 0x182 => array(0x183), 0x184 => array(0x185), 0x186 => array(0x254), 0x187 => array(0x188), 0x189 => array(0x256), 0x18A => array(0x257), 0x18B => array(0x18C), 0x18E => array(0x1DD), 0x18F => array(0x259), 0x190 => array(0x25B), 0x191 => array(0x192), 0x193 => array(0x260), 0x194 => array(0x263), 0x196 => array(0x269), 0x197 => array(0x268), 0x198 => array(0x199), 0x19C => array(0x26F), 0x19D => array(0x272), 0x19F => array(0x275), 0x1A0 => array(0x1A1), 0x1A2 => array(0x1A3), 0x1A4 => array(0x1A5), 0x1A6 => array(0x280), 0x1A7 => array(0x1A8), 0x1A9 => array(0x283), 0x1AC => array(0x1AD), 0x1AE => array(0x288), 0x1AF => array(0x1B0), 0x1B1 => array(0x28A), 0x1B2 => array(0x28B), 0x1B3 => array(0x1B4), 0x1B5 => array(0x1B6), 0x1B7 => array(0x292), 0x1B8 => array(0x1B9), 0x1BC => array(0x1BD), 0x1C4 => array(0x1C6), 0x1C5 => array(0x1C6), 0x1C7 => array(0x1C9), 0x1C8 => array(0x1C9), 0x1CA => array(0x1CC), 0x1CB => array(0x1CC), 0x1CD => array(0x1CE), 0x1CF => array(0x1D0), 0x1D1 => array(0x1D2), 0x1D3 => array(0x1D4), 0x1D5 => array(0x1D6), 0x1D7 => array(0x1D8), 0x1D9 => array(0x1DA), 0x1DB => array(0x1DC), 0x1DE => array(0x1DF), 0x1E0 => array(0x1E1), 0x1E2 => array(0x1E3), 0x1E4 => array(0x1E5), 0x1E6 => array(0x1E7), 0x1E8 => array(0x1E9), 0x1EA => array(0x1EB), 0x1EC => array(0x1ED), 0x1EE => array(0x1EF), 0x1F0 => array(0x6A, 0x30C), 0x1F1 => array(0x1F3), 0x1F2 => array(0x1F3), 0x1F4 => array(0x1F5), 0x1F6 => array(0x195), 0x1F7 => array(0x1BF), 0x1F8 => array(0x1F9), 0x1FA => array(0x1FB), 0x1FC => array(0x1FD), 0x1FE => array(0x1FF), 0x200 => array(0x201), 0x202 => array(0x203), 0x204 => array(0x205), 0x206 => array(0x207), 0x208 => array(0x209), 0x20A => array(0x20B), 0x20C => array(0x20D), 0x20E => array(0x20F), 0x210 => array(0x211), 0x212 => array(0x213), 0x214 => array(0x215), 0x216 => array(0x217), 0x218 => array(0x219), 0x21A => array(0x21B), 0x21C => array(0x21D), 0x21E => array(0x21F), 0x220 => array(0x19E), 0x222 => array(0x223), 0x224 => array(0x225), 0x226 => array(0x227), 0x228 => array(0x229), 0x22A => array(0x22B), 0x22C => array(0x22D), 0x22E => array(0x22F), 0x230 => array(0x231), 0x232 => array(0x233), 0x345 => array(0x3B9), 0x37A => array(0x20, 0x3B9), 0x386 => array(0x3AC), 0x388 => array(0x3AD), 0x389 => array(0x3AE), 0x38A => array(0x3AF), 0x38C => array(0x3CC), 0x38E => array(0x3CD), 0x38F => array(0x3CE), 0x390 => array(0x3B9, 0x308, 0x301), 0x391 => array(0x3B1), 0x392 => array(0x3B2), 0x393 => array(0x3B3), 0x394 => array(0x3B4), 0x395 => array(0x3B5), 0x396 => array(0x3B6), 0x397 => array(0x3B7), 0x398 => array(0x3B8), 0x399 => array(0x3B9), 0x39A => array(0x3BA), 0x39B => array(0x3BB), 0x39C => array(0x3BC), 0x39D => array(0x3BD), 0x39E => array(0x3BE), 0x39F => array(0x3BF), 0x3A0 => array(0x3C0), 0x3A1 => array(0x3C1), 0x3A3 => array(0x3C3), 0x3A4 => array(0x3C4), 0x3A5 => array(0x3C5), 0x3A6 => array(0x3C6), 0x3A7 => array(0x3C7), 0x3A8 => array(0x3C8), 0x3A9 => array(0x3C9), 0x3AA => array(0x3CA), 0x3AB => array(0x3CB), 0x3B0 => array(0x3C5, 0x308, 0x301), 0x3C2 => array(0x3C3), 0x3D0 => array(0x3B2), 0x3D1 => array(0x3B8), 0x3D2 => array(0x3C5), 0x3D3 => array(0x3CD), 0x3D4 => array(0x3CB), 0x3D5 => array(0x3C6), 0x3D6 => array(0x3C0), 0x3D8 => array(0x3D9), 0x3DA => array(0x3DB), 0x3DC => array(0x3DD), 0x3DE => array(0x3DF), 0x3E0 => array(0x3E1), 0x3E2 => array(0x3E3), 0x3E4 => array(0x3E5), 0x3E6 => array(0x3E7), 0x3E8 => array(0x3E9), 0x3EA => array(0x3EB), 0x3EC => array(0x3ED), 0x3EE => array(0x3EF), 0x3F0 => array(0x3BA), 0x3F1 => array(0x3C1), 0x3F2 => array(0x3C3), 0x3F4 => array(0x3B8), 0x3F5 => array(0x3B5), 0x400 => array(0x450), 0x401 => array(0x451), 0x402 => array(0x452), 0x403 => array(0x453), 0x404 => array(0x454), 0x405 => array(0x455), 0x406 => array(0x456), 0x407 => array(0x457), 0x408 => array(0x458), 0x409 => array(0x459), 0x40A => array(0x45A), 0x40B => array(0x45B), 0x40C => array(0x45C), 0x40D => array(0x45D), 0x40E => array(0x45E), 0x40F => array(0x45F), 0x410 => array(0x430), 0x411 => array(0x431), 0x412 => array(0x432), 0x413 => array(0x433), 0x414 => array(0x434), 0x415 => array(0x435), 0x416 => array(0x436), 0x417 => array(0x437), 0x418 => array(0x438), 0x419 => array(0x439), 0x41A => array(0x43A), 0x41B => array(0x43B), 0x41C => array(0x43C), 0x41D => array(0x43D), 0x41E => array(0x43E), 0x41F => array(0x43F), 0x420 => array(0x440), 0x421 => array(0x441), 0x422 => array(0x442), 0x423 => array(0x443), 0x424 => array(0x444), 0x425 => array(0x445), 0x426 => array(0x446), 0x427 => array(0x447), 0x428 => array(0x448), 0x429 => array(0x449), 0x42A => array(0x44A), 0x42B => array(0x44B), 0x42C => array(0x44C), 0x42D => array(0x44D), 0x42E => array(0x44E), 0x42F => array(0x44F), 0x460 => array(0x461), 0x462 => array(0x463), 0x464 => array(0x465), 0x466 => array(0x467), 0x468 => array(0x469), 0x46A => array(0x46B), 0x46C => array(0x46D), 0x46E => array(0x46F), 0x470 => array(0x471), 0x472 => array(0x473), 0x474 => array(0x475), 0x476 => array(0x477), 0x478 => array(0x479), 0x47A => array(0x47B), 0x47C => array(0x47D), 0x47E => array(0x47F), 0x480 => array(0x481), 0x48A => array(0x48B), 0x48C => array(0x48D), 0x48E => array(0x48F), 0x490 => array(0x491), 0x492 => array(0x493), 0x494 => array(0x495), 0x496 => array(0x497), 0x498 => array(0x499), 0x49A => array(0x49B), 0x49C => array(0x49D), 0x49E => array(0x49F), 0x4A0 => array(0x4A1), 0x4A2 => array(0x4A3), 0x4A4 => array(0x4A5), 0x4A6 => array(0x4A7), 0x4A8 => array(0x4A9), 0x4AA => array(0x4AB), 0x4AC => array(0x4AD), 0x4AE => array(0x4AF), 0x4B0 => array(0x4B1), 0x4B2 => array(0x4B3), 0x4B4 => array(0x4B5), 0x4B6 => array(0x4B7), 0x4B8 => array(0x4B9), 0x4BA => array(0x4BB), 0x4BC => array(0x4BD), 0x4BE => array(0x4BF), 0x4C1 => array(0x4C2), 0x4C3 => array(0x4C4), 0x4C5 => array(0x4C6), 0x4C7 => array(0x4C8), 0x4C9 => array(0x4CA), 0x4CB => array(0x4CC), 0x4CD => array(0x4CE), 0x4D0 => array(0x4D1), 0x4D2 => array(0x4D3), 0x4D4 => array(0x4D5), 0x4D6 => array(0x4D7), 0x4D8 => array(0x4D9), 0x4DA => array(0x4DB), 0x4DC => array(0x4DD), 0x4DE => array(0x4DF), 0x4E0 => array(0x4E1), 0x4E2 => array(0x4E3), 0x4E4 => array(0x4E5), 0x4E6 => array(0x4E7), 0x4E8 => array(0x4E9), 0x4EA => array(0x4EB), 0x4EC => array(0x4ED), 0x4EE => array(0x4EF), 0x4F0 => array(0x4F1), 0x4F2 => array(0x4F3), 0x4F4 => array(0x4F5), 0x4F8 => array(0x4F9), 0x500 => array(0x501), 0x502 => array(0x503), 0x504 => array(0x505), 0x506 => array(0x507), 0x508 => array(0x509), 0x50A => array(0x50B), 0x50C => array(0x50D), 0x50E => array(0x50F), 0x531 => 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array(0x63), 0x1D403 => array(0x64), 0x1D404 => array(0x65), 0x1D405 => array(0x66), 0x1D406 => array(0x67), 0x1D407 => array(0x68), 0x1D408 => array(0x69), 0x1D409 => array(0x6A), 0x1D40A => array(0x6B), 0x1D40B => array(0x6C), 0x1D40C => array(0x6D), 0x1D40D => array(0x6E), 0x1D40E => array(0x6F), 0x1D40F => array(0x70), 0x1D410 => array(0x71), 0x1D411 => array(0x72), 0x1D412 => array(0x73), 0x1D413 => array(0x74), 0x1D414 => array(0x75), 0x1D415 => array(0x76), 0x1D416 => array(0x77), 0x1D417 => array(0x78), 0x1D418 => array(0x79), 0x1D419 => array(0x7A), 0x1D434 => array(0x61), 0x1D435 => array(0x62), 0x1D436 => array(0x63), 0x1D437 => array(0x64), 0x1D438 => array(0x65), 0x1D439 => array(0x66), 0x1D43A => array(0x67), 0x1D43B => array(0x68), 0x1D43C => array(0x69), 0x1D43D => array(0x6A), 0x1D43E => array(0x6B), 0x1D43F => array(0x6C), 0x1D440 => array(0x6D), 0x1D441 => array(0x6E), 0x1D442 => array(0x6F), 0x1D443 => array(0x70), 0x1D444 => array(0x71), 0x1D445 => array(0x72), 0x1D446 => array(0x73), 0x1D447 => array(0x74), 0x1D448 => array(0x75), 0x1D449 => array(0x76), 0x1D44A => array(0x77), 0x1D44B => array(0x78), 0x1D44C => array(0x79), 0x1D44D => array(0x7A), 0x1D468 => array(0x61), 0x1D469 => array(0x62), 0x1D46A => array(0x63), 0x1D46B => array(0x64), 0x1D46C => array(0x65), 0x1D46D => array(0x66), 0x1D46E => array(0x67), 0x1D46F => array(0x68), 0x1D470 => array(0x69), 0x1D471 => array(0x6A), 0x1D472 => array(0x6B), 0x1D473 => array(0x6C), 0x1D474 => array(0x6D), 0x1D475 => array(0x6E), 0x1D476 => array(0x6F), 0x1D477 => array(0x70), 0x1D478 => array(0x71), 0x1D479 => array(0x72), 0x1D47A => array(0x73), 0x1D47B => array(0x74), 0x1D47C => array(0x75), 0x1D47D => array(0x76), 0x1D47E => array(0x77), 0x1D47F => array(0x78), 0x1D480 => array(0x79), 0x1D481 => array(0x7A), 0x1D49C => array(0x61), 0x1D49E => array(0x63), 0x1D49F => array(0x64), 0x1D4A2 => array(0x67), 0x1D4A5 => array(0x6A), 0x1D4A6 => array(0x6B), 0x1D4A9 => array(0x6E), 0x1D4AA => array(0x6F), 0x1D4AB => array(0x70), 0x1D4AC => array(0x71), 0x1D4AE => array(0x73), 0x1D4AF => array(0x74), 0x1D4B0 => array(0x75), 0x1D4B1 => array(0x76), 0x1D4B2 => array(0x77), 0x1D4B3 => array(0x78), 0x1D4B4 => array(0x79), 0x1D4B5 => array(0x7A), 0x1D4D0 => array(0x61), 0x1D4D1 => array(0x62), 0x1D4D2 => array(0x63), 0x1D4D3 => array(0x64), 0x1D4D4 => array(0x65), 0x1D4D5 => array(0x66), 0x1D4D6 => array(0x67), 0x1D4D7 => array(0x68), 0x1D4D8 => array(0x69), 0x1D4D9 => array(0x6A), 0x1D4DA => array(0x6B), 0x1D4DB => array(0x6C), 0x1D4DC => array(0x6D), 0x1D4DD => array(0x6E), 0x1D4DE => array(0x6F), 0x1D4DF => array(0x70), 0x1D4E0 => array(0x71), 0x1D4E1 => array(0x72), 0x1D4E2 => array(0x73), 0x1D4E3 => array(0x74), 0x1D4E4 => array(0x75), 0x1D4E5 => array(0x76), 0x1D4E6 => array(0x77), 0x1D4E7 => array(0x78), 0x1D4E8 => array(0x79), 0x1D4E9 => array(0x7A), 0x1D504 => array(0x61), 0x1D505 => array(0x62), 0x1D507 => array(0x64), 0x1D508 => array(0x65), 0x1D509 => array(0x66), 0x1D50A => array(0x67), 0x1D50D => array(0x6A), 0x1D50E => array(0x6B), 0x1D50F => array(0x6C), 0x1D510 => array(0x6D), 0x1D511 => array(0x6E), 0x1D512 => array(0x6F), 0x1D513 => array(0x70), 0x1D514 => array(0x71), 0x1D516 => array(0x73), 0x1D517 => array(0x74), 0x1D518 => array(0x75), 0x1D519 => array(0x76), 0x1D51A => array(0x77), 0x1D51B => array(0x78), 0x1D51C => array(0x79), 0x1D538 => array(0x61), 0x1D539 => array(0x62), 0x1D53B => array(0x64), 0x1D53C => array(0x65), 0x1D53D => array(0x66), 0x1D53E => array(0x67), 0x1D540 => array(0x69), 0x1D541 => array(0x6A), 0x1D542 => array(0x6B), 0x1D543 => array(0x6C), 0x1D544 => array(0x6D), 0x1D546 => array(0x6F), 0x1D54A => array(0x73), 0x1D54B => array(0x74), 0x1D54C => array(0x75), 0x1D54D => array(0x76), 0x1D54E => array(0x77), 0x1D54F => array(0x78), 0x1D550 => array(0x79), 0x1D56C => array(0x61), 0x1D56D => array(0x62), 0x1D56E => array(0x63), 0x1D56F => array(0x64), 0x1D570 => array(0x65), 0x1D571 => array(0x66), 0x1D572 => array(0x67), 0x1D573 => array(0x68), 0x1D574 => array(0x69), 0x1D575 => array(0x6A), 0x1D576 => array(0x6B), 0x1D577 => array(0x6C), 0x1D578 => array(0x6D), 0x1D579 => array(0x6E), 0x1D57A => array(0x6F), 0x1D57B => array(0x70), 0x1D57C => array(0x71), 0x1D57D => array(0x72), 0x1D57E => array(0x73), 0x1D57F => array(0x74), 0x1D580 => array(0x75), 0x1D581 => array(0x76), 0x1D582 => array(0x77), 0x1D583 => array(0x78), 0x1D584 => array(0x79), 0x1D585 => array(0x7A), 0x1D5A0 => array(0x61), 0x1D5A1 => array(0x62), 0x1D5A2 => array(0x63), 0x1D5A3 => array(0x64), 0x1D5A4 => array(0x65), 0x1D5A5 => array(0x66), 0x1D5A6 => array(0x67), 0x1D5A7 => array(0x68), 0x1D5A8 => array(0x69), 0x1D5A9 => array(0x6A), 0x1D5AA => array(0x6B), 0x1D5AB => array(0x6C), 0x1D5AC => array(0x6D), 0x1D5AD => array(0x6E), 0x1D5AE => array(0x6F), 0x1D5AF => array(0x70), 0x1D5B0 => array(0x71), 0x1D5B1 => array(0x72), 0x1D5B2 => array(0x73), 0x1D5B3 => array(0x74), 0x1D5B4 => array(0x75), 0x1D5B5 => array(0x76), 0x1D5B6 => array(0x77), 0x1D5B7 => array(0x78), 0x1D5B8 => array(0x79), 0x1D5B9 => array(0x7A), 0x1D5D4 => array(0x61), 0x1D5D5 => array(0x62), 0x1D5D6 => array(0x63), 0x1D5D7 => array(0x64), 0x1D5D8 => array(0x65), 0x1D5D9 => array(0x66), 0x1D5DA => array(0x67), 0x1D5DB => array(0x68), 0x1D5DC => array(0x69), 0x1D5DD => array(0x6A), 0x1D5DE => array(0x6B), 0x1D5DF => array(0x6C), 0x1D5E0 => array(0x6D), 0x1D5E1 => array(0x6E), 0x1D5E2 => array(0x6F), 0x1D5E3 => array(0x70), 0x1D5E4 => array(0x71), 0x1D5E5 => array(0x72), 0x1D5E6 => array(0x73), 0x1D5E7 => array(0x74), 0x1D5E8 => array(0x75), 0x1D5E9 => array(0x76), 0x1D5EA => array(0x77), 0x1D5EB => array(0x78), 0x1D5EC => array(0x79), 0x1D5ED => array(0x7A), 0x1D608 => array(0x61), 0x1D609 => array(0x62), 0x1D60A => array(0x63), 0x1D60B => array(0x64), 0x1D60C => array(0x65), 0x1D60D => array(0x66), 0x1D60E => array(0x67), 0x1D60F => array(0x68), 0x1D610 => array(0x69), 0x1D611 => array(0x6A), 0x1D612 => array(0x6B), 0x1D613 => array(0x6C), 0x1D614 => array(0x6D), 0x1D615 => array(0x6E), 0x1D616 => array(0x6F), 0x1D617 => array(0x70), 0x1D618 => array(0x71), 0x1D619 => array(0x72), 0x1D61A => array(0x73), 0x1D61B => array(0x74), 0x1D61C => array(0x75), 0x1D61D => array(0x76), 0x1D61E => array(0x77), 0x1D61F => array(0x78), 0x1D620 => array(0x79), 0x1D621 => array(0x7A), 0x1D63C => array(0x61), 0x1D63D => array(0x62), 0x1D63E => array(0x63), 0x1D63F => array(0x64), 0x1D640 => array(0x65), 0x1D641 => array(0x66), 0x1D642 => array(0x67), 0x1D643 => array(0x68), 0x1D644 => array(0x69), 0x1D645 => array(0x6A), 0x1D646 => array(0x6B), 0x1D647 => array(0x6C), 0x1D648 => array(0x6D), 0x1D649 => array(0x6E), 0x1D64A => array(0x6F), 0x1D64B => array(0x70), 0x1D64C => array(0x71), 0x1D64D => array(0x72), 0x1D64E => array(0x73), 0x1D64F => array(0x74), 0x1D650 => array(0x75), 0x1D651 => array(0x76), 0x1D652 => array(0x77), 0x1D653 => array(0x78), 0x1D654 => array(0x79), 0x1D655 => array(0x7A), 0x1D670 => array(0x61), 0x1D671 => array(0x62), 0x1D672 => array(0x63), 0x1D673 => array(0x64), 0x1D674 => array(0x65), 0x1D675 => array(0x66), 0x1D676 => array(0x67), 0x1D677 => array(0x68), 0x1D678 => array(0x69), 0x1D679 => array(0x6A), 0x1D67A => array(0x6B), 0x1D67B => array(0x6C), 0x1D67C => array(0x6D), 0x1D67D => array(0x6E), 0x1D67E => array(0x6F), 0x1D67F => array(0x70), 0x1D680 => array(0x71), 0x1D681 => array(0x72), 0x1D682 => array(0x73), 0x1D683 => array(0x74), 0x1D684 => array(0x75), 0x1D685 => array(0x76), 0x1D686 => array(0x77), 0x1D687 => array(0x78), 0x1D688 => array(0x79), 0x1D689 => array(0x7A), 0x1D6A8 => array(0x3B1), 0x1D6A9 => array(0x3B2), 0x1D6AA => array(0x3B3), 0x1D6AB => array(0x3B4), 0x1D6AC => array(0x3B5), 0x1D6AD => array(0x3B6), 0x1D6AE => array(0x3B7), 0x1D6AF => array(0x3B8), 0x1D6B0 => array(0x3B9), 0x1D6B1 => array(0x3BA), 0x1D6B2 => array(0x3BB), 0x1D6B3 => array(0x3BC), 0x1D6B4 => array(0x3BD), 0x1D6B5 => array(0x3BE), 0x1D6B6 => array(0x3BF), 0x1D6B7 => array(0x3C0), 0x1D6B8 => array(0x3C1), 0x1D6B9 => array(0x3B8), 0x1D6BA => array(0x3C3), 0x1D6BB => array(0x3C4), 0x1D6BC => array(0x3C5), 0x1D6BD => array(0x3C6), 0x1D6BE => array(0x3C7), 0x1D6BF => array(0x3C8), 0x1D6C0 => array(0x3C9), 0x1D6D3 => array(0x3C3), 0x1D6E2 => array(0x3B1), 0x1D6E3 => array(0x3B2), 0x1D6E4 => array(0x3B3), 0x1D6E5 => array(0x3B4), 0x1D6E6 => array(0x3B5), 0x1D6E7 => array(0x3B6), 0x1D6E8 => array(0x3B7), 0x1D6E9 => array(0x3B8), 0x1D6EA => array(0x3B9), 0x1D6EB => array(0x3BA), 0x1D6EC => array(0x3BB), 0x1D6ED => array(0x3BC), 0x1D6EE => array(0x3BD), 0x1D6EF => array(0x3BE), 0x1D6F0 => array(0x3BF), 0x1D6F1 => array(0x3C0), 0x1D6F2 => array(0x3C1), 0x1D6F3 => array(0x3B8), 0x1D6F4 => array(0x3C3), 0x1D6F5 => array(0x3C4), 0x1D6F6 => array(0x3C5), 0x1D6F7 => array(0x3C6), 0x1D6F8 => array(0x3C7), 0x1D6F9 => array(0x3C8), 0x1D6FA => array(0x3C9), 0x1D70D => array(0x3C3), 0x1D71C => array(0x3B1), 0x1D71D => array(0x3B2), 0x1D71E => array(0x3B3), 0x1D71F => array(0x3B4), 0x1D720 => array(0x3B5), 0x1D721 => array(0x3B6), 0x1D722 => array(0x3B7), 0x1D723 => array(0x3B8), 0x1D724 => array(0x3B9), 0x1D725 => array(0x3BA), 0x1D726 => array(0x3BB), 0x1D727 => array(0x3BC), 0x1D728 => array(0x3BD), 0x1D729 => array(0x3BE), 0x1D72A => array(0x3BF), 0x1D72B => array(0x3C0), 0x1D72C => array(0x3C1), 0x1D72D => array(0x3B8), 0x1D72E => array(0x3C3), 0x1D72F => array(0x3C4), 0x1D730 => array(0x3C5), 0x1D731 => array(0x3C6), 0x1D732 => array(0x3C7), 0x1D733 => array(0x3C8), 0x1D734 => array(0x3C9), 0x1D747 => array(0x3C3), 0x1D756 => array(0x3B1), 0x1D757 => array(0x3B2), 0x1D758 => array(0x3B3), 0x1D759 => array(0x3B4), 0x1D75A => array(0x3B5), 0x1D75B => array(0x3B6), 0x1D75C => array(0x3B7), 0x1D75D => array(0x3B8), 0x1D75E => array(0x3B9), 0x1D75F => array(0x3BA), 0x1D760 => array(0x3BB), 0x1D761 => array(0x3BC), 0x1D762 => array(0x3BD), 0x1D763 => array(0x3BE), 0x1D764 => array(0x3BF), 0x1D765 => array(0x3C0), 0x1D766 => array(0x3C1), 0x1D767 => array(0x3B8), 0x1D768 => array(0x3C3), 0x1D769 => array(0x3C4), 0x1D76A => array(0x3C5), 0x1D76B => array(0x3C6), 0x1D76C => array(0x3C7), 0x1D76D => array(0x3C8), 0x1D76E => array(0x3C9), 0x1D781 => array(0x3C3), 0x1D790 => array(0x3B1), 0x1D791 => array(0x3B2), 0x1D792 => array(0x3B3), 0x1D793 => array(0x3B4), 0x1D794 => array(0x3B5), 0x1D795 => array(0x3B6), 0x1D796 => array(0x3B7), 0x1D797 => array(0x3B8), 0x1D798 => array(0x3B9), 0x1D799 => array(0x3BA), 0x1D79A => array(0x3BB), 0x1D79B => array(0x3BC), 0x1D79C => array(0x3BD), 0x1D79D => array(0x3BE), 0x1D79E => array(0x3BF), 0x1D79F => array(0x3C0), 0x1D7A0 => array(0x3C1), 0x1D7A1 => array(0x3B8), 0x1D7A2 => array(0x3C3), 0x1D7A3 => array(0x3C4), 0x1D7A4 => array(0x3C5), 0x1D7A5 => array(0x3C6), 0x1D7A6 => array(0x3C7), 0x1D7A7 => array(0x3C8), 0x1D7A8 => array(0x3C9), 0x1D7BB => array(0x3C3), 0x3F9 => array(0x3C3), 0x1D2C => array(0x61), 0x1D2D => array(0xE6), 0x1D2E => array(0x62), 0x1D30 => array(0x64), 0x1D31 => array(0x65), 0x1D32 => array(0x1DD), 0x1D33 => array(0x67), 0x1D34 => array(0x68), 0x1D35 => array(0x69), 0x1D36 => array(0x6A), 0x1D37 => array(0x6B), 0x1D38 => array(0x6C), 0x1D39 => array(0x6D), 0x1D3A => array(0x6E), 0x1D3C => array(0x6F), 0x1D3D => array(0x223), 0x1D3E => array(0x70), 0x1D3F => array(0x72), 0x1D40 => array(0x74), 0x1D41 => array(0x75), 0x1D42 => array(0x77), 0x213B => array(0x66, 0x61, 0x78), 0x3250 => array(0x70, 0x74, 0x65), 0x32CC => array(0x68, 0x67), 0x32CE => array(0x65, 0x76), 0x32CF => array(0x6C, 0x74, 0x64), 0x337A => array(0x69, 0x75), 0x33DE => array(0x76, 0x2215, 0x6D), 0x33DF => array(0x61, 0x2215, 0x6D) ); /* * Normalization Combining Classes; Code Points not listed * got Combining Class 0. * * @static * @var array * @access private / private static $_np_norm_combcls = array( 0x334 => 1, 0x335 => 1, 0x336 => 1, 0x337 => 1, 0x338 => 1, 0x93C => 7, 0x9BC => 7, 0xA3C => 7, 0xABC => 7, 0xB3C => 7, 0xCBC => 7, 0x1037 => 7, 0x3099 => 8, 0x309A => 8, 0x94D => 9, 0x9CD => 9, 0xA4D => 9, 0xACD => 9, 0xB4D => 9, 0xBCD => 9, 0xC4D => 9, 0xCCD => 9, 0xD4D => 9, 0xDCA => 9, 0xE3A => 9, 0xF84 => 9, 0x1039 => 9, 0x1714 => 9, 0x1734 => 9, 0x17D2 => 9, 0x5B0 => 10, 0x5B1 => 11, 0x5B2 => 12, 0x5B3 => 13, 0x5B4 => 14, 0x5B5 => 15, 0x5B6 => 16, 0x5B7 => 17, 0x5B8 => 18, 0x5B9 => 19, 0x5BB => 20, 0x5Bc => 21, 0x5BD => 22, 0x5BF => 23, 0x5C1 => 24, 0x5C2 => 25, 0xFB1E => 26, 0x64B => 27, 0x64C => 28, 0x64D => 29, 0x64E => 30, 0x64F => 31, 0x650 => 32, 0x651 => 33, 0x652 => 34, 0x670 => 35, 0x711 => 36, 0xC55 => 84, 0xC56 => 91, 0xE38 => 103, 0xE39 => 103, 0xE48 => 107, 0xE49 => 107, 0xE4A => 107, 0xE4B => 107, 0xEB8 => 118, 0xEB9 => 118, 0xEC8 => 122, 0xEC9 => 122, 0xECA => 122, 0xECB => 122, 0xF71 => 129, 0xF72 => 130, 0xF7A => 130, 0xF7B => 130, 0xF7C => 130, 0xF7D => 130, 0xF80 => 130, 0xF74 => 132, 0x321 => 202, 0x322 => 202, 0x327 => 202, 0x328 => 202, 0x31B => 216, 0xF39 => 216, 0x1D165 => 216, 0x1D166 => 216, 0x1D16E => 216, 0x1D16F => 216, 0x1D170 => 216, 0x1D171 => 216, 0x1D172 => 216, 0x302A => 218, 0x316 => 220, 0x317 => 220, 0x318 => 220, 0x319 => 220, 0x31C => 220, 0x31D => 220, 0x31E => 220, 0x31F => 220, 0x320 => 220, 0x323 => 220, 0x324 => 220, 0x325 => 220, 0x326 => 220, 0x329 => 220, 0x32A => 220, 0x32B => 220, 0x32C => 220, 0x32D => 220, 0x32E => 220, 0x32F => 220, 0x330 => 220, 0x331 => 220, 0x332 => 220, 0x333 => 220, 0x339 => 220, 0x33A => 220, 0x33B => 220, 0x33C => 220, 0x347 => 220, 0x348 => 220, 0x349 => 220, 0x34D => 220, 0x34E => 220, 0x353 => 220, 0x354 => 220, 0x355 => 220, 0x356 => 220, 0x591 => 220, 0x596 => 220, 0x59B => 220, 0x5A3 => 220, 0x5A4 => 220, 0x5A5 => 220, 0x5A6 => 220, 0x5A7 => 220, 0x5AA => 220, 0x655 => 220, 0x656 => 220, 0x6E3 => 220, 0x6EA => 220, 0x6ED => 220, 0x731 => 220, 0x734 => 220, 0x737 => 220, 0x738 => 220, 0x739 => 220, 0x73B => 220, 0x73C => 220, 0x73E => 220, 0x742 => 220, 0x744 => 220, 0x746 => 220, 0x748 => 220, 0x952 => 220, 0xF18 => 220, 0xF19 => 220, 0xF35 => 220, 0xF37 => 220, 0xFC6 => 220, 0x193B => 220, 0x20E8 => 220, 0x1D17B => 220, 0x1D17C => 220, 0x1D17D => 220, 0x1D17E => 220, 0x1D17F => 220, 0x1D180 => 220, 0x1D181 => 220, 0x1D182 => 220, 0x1D18A => 220, 0x1D18B => 220, 0x59A => 222, 0x5AD => 222, 0x1929 => 222, 0x302D => 222, 0x302E => 224, 0x302F => 224, 0x1D16D => 226, 0x5AE => 228, 0x18A9 => 228, 0x302B => 228, 0x300 => 230, 0x301 => 230, 0x302 => 230, 0x303 => 230, 0x304 => 230, 0x305 => 230, 0x306 => 230, 0x307 => 230, 0x308 => 230, 0x309 => 230, 0x30A => 230, 0x30B => 230, 0x30C => 230, 0x30D => 230, 0x30E => 230, 0x30F => 230, 0x310 => 230, 0x311 => 230, 0x312 => 230, 0x313 => 230, 0x314 => 230, 0x33D => 230, 0x33E => 230, 0x33F => 230, 0x340 => 230, 0x341 => 230, 0x342 => 230, 0x343 => 230, 0x344 => 230, 0x346 => 230, 0x34A => 230, 0x34B => 230, 0x34C => 230, 0x350 => 230, 0x351 => 230, 0x352 => 230, 0x357 => 230, 0x363 => 230, 0x364 => 230, 0x365 => 230, 0x366 => 230, 0x367 => 230, 0x368 => 230, 0x369 => 230, 0x36A => 230, 0x36B => 230, 0x36C => 230, 0x36D => 230, 0x36E => 230, 0x36F => 230, 0x483 => 230, 0x484 => 230, 0x485 => 230, 0x486 => 230, 0x592 => 230, 0x593 => 230, 0x594 => 230, 0x595 => 230, 0x597 => 230, 0x598 => 230, 0x599 => 230, 0x59C => 230, 0x59D => 230, 0x59E => 230, 0x59F => 230, 0x5A0 => 230, 0x5A1 => 230, 0x5A8 => 230, 0x5A9 => 230, 0x5AB => 230, 0x5AC => 230, 0x5AF => 230, 0x5C4 => 230, 0x610 => 230, 0x611 => 230, 0x612 => 230, 0x613 => 230, 0x614 => 230, 0x615 => 230, 0x653 => 230, 0x654 => 230, 0x657 => 230, 0x658 => 230, 0x6D6 => 230, 0x6D7 => 230, 0x6D8 => 230, 0x6D9 => 230, 0x6DA => 230, 0x6DB => 230, 0x6DC => 230, 0x6DF => 230, 0x6E0 => 230, 0x6E1 => 230, 0x6E2 => 230, 0x6E4 => 230, 0x6E7 => 230, 0x6E8 => 230, 0x6EB => 230, 0x6EC => 230, 0x730 => 230, 0x732 => 230, 0x733 => 230, 0x735 => 230, 0x736 => 230, 0x73A => 230, 0x73D => 230, 0x73F => 230, 0x740 => 230, 0x741 => 230, 0x743 => 230, 0x745 => 230, 0x747 => 230, 0x749 => 230, 0x74A => 230, 0x951 => 230, 0x953 => 230, 0x954 => 230, 0xF82 => 230, 0xF83 => 230, 0xF86 => 230, 0xF87 => 230, 0x170D => 230, 0x193A => 230, 0x20D0 => 230, 0x20D1 => 230, 0x20D4 => 230, 0x20D5 => 230, 0x20D6 => 230, 0x20D7 => 230, 0x20DB => 230, 0x20DC => 230, 0x20E1 => 230, 0x20E7 => 230, 0x20E9 => 230, 0xFE20 => 230, 0xFE21 => 230, 0xFE22 => 230, 0xFE23 => 230, 0x1D185 => 230, 0x1D186 => 230, 0x1D187 => 230, 0x1D189 => 230, 0x1D188 => 230, 0x1D1AA => 230, 0x1D1AB => 230, 0x1D1AC => 230, 0x1D1AD => 230, 0x315 => 232, 0x31A => 232, 0x302C => 232, 0x35F => 233, 0x362 => 233, 0x35D => 234, 0x35E => 234, 0x360 => 234, 0x361 => 234, 0x345 => 240 ); // }}} // {{{ properties /* * @var string * @access private / private $_punycode_prefix = 'xn--'; /* * @access private / private $_invalid_ucs = 0x80000000; /* * @access private / private $_max_ucs = 0x10FFFF; /* * @var int * @access private / private $_base = 36; /* * @var int * @access private / private $_tmin = 1; /* * @var int * @access private / private $_tmax = 26; /* * @var int * @access private / private $_skew = 38; /* * @var int * @access private / private $_damp = 700; /* * @var int * @access private / private $_initial_bias = 72; /* * @var int * @access private / private $_initial_n = 0x80; /* * @var int * @access private / private $_slast; /* * @access private / private $_sbase = 0xAC00; /* * @access private / private $_lbase = 0x1100; /* * @access private / private $_vbase = 0x1161; /* * @access private / private $_tbase = 0x11a7; /* * @var int * @access private / private $_lcount = 19; /* * @var int * @access private / private $_vcount = 21; /* * @var int * @access private / private $_tcount = 28; /* * vcount * tcount * * @var int * @access private / private $_ncount = 588; /* * lcount * tcount * vcount * * @var int * @access private / private $_scount = 11172; /* * Default encoding for encode()'s input and decode()'s output is UTF-8; * Other possible encodings are ucs4_string and ucs4_array * See {@link setParams()} for how to select these * * @var bool * @access private / private $_api_encoding = 'utf8'; /* * Overlong UTF-8 encodings are forbidden * * @var bool * @access private / private $_allow_overlong = false; /* * Behave strict or not * * @var bool * @access private / private $_strict_mode = false; /* * IDNA-version to use * * Values are "2003" and "2008". * Defaults to "2003", since that was the original version and for * compatibility with previous versions of this library. * If you need to encode "new" characters like the German "Eszett", * please switch to 2008 first before encoding. * * @var bool * @access private / private $_version = '2003'; /* * Cached value indicating whether or not mbstring function overloading is * on for strlen * * This is cached for optimal performance. * * @var boolean * @see Net_IDNA2::_byteLength() / private static $_mb_string_overload = null; // }}} // {{{ constructor /* * Constructor * * @param array $options Options to initialise the object with * * @access public * @see setParams() / public function __construct($options = null) { $this->_slast = $this->_sbase + $this->_lcount $this->_vcount * $this->_tcount; if (is_array($options)) { $this->setParams($options); } // populate mbstring overloading cache if not set if (self::$_mb_string_overload === null) { self::$_mb_string_overload = (extension_loaded('mbstring') && (ini_get('mbstring.func_overload') & 0x02) === 0x02); } } // }}} /** * Sets a new option value. Available options and values: * * [utf8 - Use either UTF-8 or ISO-8859-1 as input (true for UTF-8, false * otherwise); The output is always UTF-8] * [overlong - Unicode does not allow unnecessarily long encodings of chars, * to allow this, set this parameter to true, else to false; * default is false.] * [strict - true: strict mode, good for registration purposes - Causes errors * on failures; false: loose mode, ideal for "wildlife" applications * by silently ignoring errors and returning the original input instead] * * @param mixed $option Parameter to set (string: single parameter; array of Parameter => Value pairs) * @param string $value Value to use (if parameter 1 is a string) * * @return boolean true on success, false otherwise * @access public / public function setParams($option, $value = false) { if (!is_array($option)) { $option = array($option => $value); } foreach ($option as $k => $v) { switch ($k) { case 'encoding': switch ($v) { case 'utf8': case 'ucs4_string': case 'ucs4_array': $this->_api_encoding = $v; break; default: throw new InvalidArgumentException('Set Parameter: Unknown parameter '.$v.' for option '.$k); } break; case 'overlong': $this->_allow_overlong = ($v) ? true : false; break; case 'strict': $this->_strict_mode = ($v) ? true : false; break; case 'version': if (in_array($v, array('2003', '2008'))) { $this->_version = $v; } else { throw new InvalidArgumentException('Set Parameter: Invalid parameter '.$v.' for option '.$k); } break; default: return false; } } return true; } /* * Encode a given UTF-8 domain name. * * @param string $decoded Domain name (UTF-8 or UCS-4) * @param string $one_time_encoding Desired input encoding, see {@link set_parameter} * If not given will use default-encoding * * @return string Encoded Domain name (ACE string) * @return mixed processed string * @throws Exception * @access public / public function encode($decoded, $one_time_encoding = false) { // Forcing conversion of input to UCS4 array // If one time encoding is given, use this, else the objects property switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { case 'utf8': $decoded = $this->_utf8_to_ucs4($decoded); break; case 'ucs4_string': $decoded = $this->_ucs4_string_to_ucs4($decoded); case 'ucs4_array': // No break; before this line. Catch case, but do nothing break; default: throw new InvalidArgumentException('Unsupported input format'); } // No input, no output, what else did you expect? if (empty($decoded)) return ''; // Anchors for iteration $last_begin = 0; // Output string $output = ''; foreach ($decoded as $k => $v) { // Make sure to use just the plain dot switch($v) { case 0x3002: case 0xFF0E: case 0xFF61: $decoded[$k] = 0x2E; // It's right, no break here // The codepoints above have to be converted to dots anyway // Stumbling across an anchoring character case 0x2E: case 0x2F: case 0x3A: case 0x3F: case 0x40: // Neither email addresses nor URLs allowed in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Neither email addresses nor URLs are allowed in strict mode.'); } // Skip first char if ($k) { $encoded = ''; $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin))); if ($encoded) { $output .= $encoded; } else { $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin))); } $output .= chr($decoded[$k]); } $last_begin = $k + 1; } } // Catch the rest of the string if ($last_begin) { $inp_len = sizeof($decoded); $encoded = ''; $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); if ($encoded) { $output .= $encoded; } else { $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); } return $output; } if ($output = $this->_encode($decoded)) { return $output; } return $this->_ucs4_to_utf8($decoded); } /* * Decode a given ACE domain name. * * @param string $input Domain name (ACE string) * @param string $one_time_encoding Desired output encoding, see {@link set_parameter} * * @return string Decoded Domain name (UTF-8 or UCS-4) * @throws Exception * @access public / public function decode($input, $one_time_encoding = false) { // Optionally set if ($one_time_encoding) { switch ($one_time_encoding) { case 'utf8': case 'ucs4_string': case 'ucs4_array': break; default: throw new InvalidArgumentException('Unknown encoding '.$one_time_encoding); } } // Make sure to drop any newline characters around $input = trim($input); // Negotiate input and try to determine, wether it is a plain string, // an email address or something like a complete URL if (strpos($input, '@')) { // Maybe it is an email address // No no in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); } list($email_pref, $input) = explode('@', $input, 2); $arr = explode('.', $input); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $return = $email_pref . '@' . join('.', $arr); } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters) // No no in strict mode if ($this->_strict_mode) { throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode'); } $parsed = parse_url($input); if (isset($parsed['host'])) { $arr = explode('.', $parsed['host']); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $parsed['host'] = join('.', $arr); if (isset($parsed['scheme'])) { $parsed['scheme'] .= (strtolower($parsed['scheme']) == 'mailto') ? ':' : '://'; } $return = $this->_unparse_url($parsed); } else { // parse_url seems to have failed, try without it $arr = explode('.', $input); foreach ($arr as $k => $v) { $conv = $this->_decode($v); if ($conv) $arr[$k] = $conv; } $return = join('.', $arr); } } else { // Otherwise we consider it being a pure domain name string $return = $this->_decode($input); } // The output is UTF-8 by default, other output formats need conversion here // If one time encoding is given, use this, else the objects property switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { case 'utf8': return $return; break; case 'ucs4_string': return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return)); break; case 'ucs4_array': return $this->_utf8_to_ucs4($return); break; default: throw new InvalidArgumentException('Unsupported output format'); } } // {{{ private /* * Opposite function to parse_url() * * Inspired by code from comments of php.net-documentation for parse_url() * * @param array $parts_arr parts (strings) as returned by parse_url() * * @return string * @access private / private function _unparse_url($parts_arr) { if (!empty($parts_arr['scheme'])) { $ret_url = $parts_arr['scheme']; } if (!empty($parts_arr['user'])) { $ret_url .= $parts_arr['user']; if (!empty($parts_arr['pass'])) { $ret_url .= ':' . $parts_arr['pass']; } $ret_url .= '@'; } $ret_url .= $parts_arr['host']; if (!empty($parts_arr['port'])) { $ret_url .= ':' . $parts_arr['port']; } $ret_url .= $parts_arr['path']; if (!empty($parts_arr['query'])) { $ret_url .= '?' . $parts_arr['query']; } if (!empty($parts_arr['fragment'])) { $ret_url .= '#' . $parts_arr['fragment']; } return $ret_url; } /* * The actual encoding algorithm. * * @param string $decoded Decoded string which should be encoded * * @return string Encoded string * @throws Exception * @access private / private function _encode($decoded) { // We cannot encode a domain name containing the Punycode prefix $extract = self::_byteLength($this->_punycode_prefix); $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix); $check_deco = array_slice($decoded, 0, $extract); if ($check_pref == $check_deco) { throw new InvalidArgumentException('This is already a punycode string'); } // We will not try to encode strings consisting of basic code points only $encodable = false; foreach ($decoded as $k => $v) { if ($v > 0x7a) { $encodable = true; break; } } if (!$encodable) { if ($this->_strict_mode) { throw new InvalidArgumentException('The given string does not contain encodable chars'); } return false; } // Do NAMEPREP $decoded = $this->_nameprep($decoded); $deco_len = count($decoded); // Empty array if (!$deco_len) { return false; } // How many chars have been consumed $codecount = 0; // Start with the prefix; copy it to output $encoded = $this->_punycode_prefix; $encoded = ''; // Copy all basic code points to output for ($i = 0; $i < $deco_len; ++$i) { $test = $decoded[$i]; // Will match [0-9a-zA-Z-] if ((0x2F < $test && $test < 0x40) \|\| (0x40 < $test && $test < 0x5B) \|\| (0x60 < $test && $test <= 0x7B) \|\| (0x2D == $test) ) { $encoded .= chr($decoded[$i]); $codecount++; } } // All codepoints were basic ones if ($codecount == $deco_len) { return $encoded; } // Start with the prefix; copy it to output $encoded = $this->_punycode_prefix . $encoded; // If we have basic code points in output, add an hyphen to the end if ($codecount) { $encoded .= '-'; } // Now find and encode all non-basic code points $is_first = true; $cur_code = $this->_initial_n; $bias = $this->_initial_bias; $delta = 0; while ($codecount < $deco_len) { // Find the smallest code point >= the current code point and // remember the last ouccrence of it in the input for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) { if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) { $next_code = $decoded[$i]; } } $delta += ($next_code - $cur_code) ($codecount + 1); $cur_code = $next_code; // Scan input again and encode all characters whose code point is $cur_code for ($i = 0; $i < $deco_len; $i++) { if ($decoded[$i] < $cur_code) { $delta++; } else if ($decoded[$i] == $cur_code) { for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) { $t = ($k <= $bias)? $this->_tmin : (($k >= $bias + $this->_tmax)? $this->_tmax : $k - $bias); if ($q < $t) { break; } $encoded .= $this->_encodeDigit(ceil($t + (($q - $t) % ($this->_base - $t)))); $q = ($q - $t) / ($this->_base - $t); } $encoded .= $this->_encodeDigit($q); $bias = $this->_adapt($delta, $codecount + 1, $is_first); $codecount++; $delta = 0; $is_first = false; } } $delta++; $cur_code++; } return $encoded; } /** * The actual decoding algorithm. * * @param string $encoded Encoded string which should be decoded * * @return string Decoded string * @throws Exception * @access private / private function _decode($encoded) { // We do need to find the Punycode prefix if (!preg_match('!^' . preg_quote($this->_punycode_prefix, '!') . '!', $encoded)) { return false; } $encode_test = preg_replace('!^' . preg_quote($this->_punycode_prefix, '!') . '!', '', $encoded); // If nothing left after removing the prefix, it is hopeless if (!$encode_test) { return false; } // Find last occurence of the delimiter $delim_pos = strrpos($encoded, '-'); if ($delim_pos > self::_byteLength($this->_punycode_prefix)) { for ($k = self::_byteLength($this->_punycode_prefix); $k < $delim_pos; ++$k) { $decoded[] = ord($encoded{$k}); } } else { $decoded = array(); } $deco_len = count($decoded); $enco_len = self::_byteLength($encoded); // Wandering through the strings; init $is_first = true; $bias = $this->_initial_bias; $idx = 0; $char = $this->_initial_n; for ($enco_idx = ($delim_pos)? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) { for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) { $digit = $this->_decodeDigit($encoded{$enco_idx++}); $idx += $digit $w; $t = ($k <= $bias) ? $this->_tmin : (($k >= $bias + $this->_tmax)? $this->_tmax : ($k - $bias)); if ($digit < $t) { break; } $w = (int)($w * ($this->_base - $t)); } $bias = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first); $is_first = false; $char += (int) ($idx / ($deco_len + 1)); $idx %= ($deco_len + 1); if ($deco_len > 0) { // Make room for the decoded char for ($i = $deco_len; $i > $idx; $i--) { $decoded[$i] = $decoded[($i - 1)]; } } $decoded[$idx++] = $char; } return $this->_ucs4_to_utf8($decoded); } /** * Adapt the bias according to the current code point and position. * * @param int $delta ... * @param int $npoints ... * @param boolean $is_first ... * * @return int * @access private / private function _adapt($delta, $npoints, $is_first) { $delta = (int) ($is_first ? ($delta / $this->_damp) : ($delta / 2)); $delta += (int) ($delta / $npoints); for ($k = 0; $delta > (($this->_base - $this->_tmin) $this->_tmax) / 2; $k += $this->_base) { $delta = (int) ($delta / ($this->_base - $this->_tmin)); } return (int) ($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew)); } /** * Encoding a certain digit. * * @param int $d One digit to encode * * @return char Encoded digit * @access private / private function _encodeDigit($d) { return chr($d + 22 + 75 ($d < 26)); } /** * Decode a certain digit. * * @param char $cp One digit (character) to decode * * @return int Decoded digit * @access private / private function _decodeDigit($cp) { $cp = ord($cp); return ($cp - 48 < 10)? $cp - 22 : (($cp - 65 < 26)? $cp - 65 : (($cp - 97 < 26)? $cp - 97 : $this->_base)); } /* * Do Nameprep according to RFC3491 and RFC3454. * * @param array $input Unicode Characters * * @return string Unicode Characters, Nameprep'd * @throws Exception * @access private / private function _nameprep($input) { $output = array(); // Walking through the input array, performing the required steps on each of // the input chars and putting the result into the output array // While mapping required chars we apply the cannonical ordering foreach ($input as $v) { // Map to nothing == skip that code point if (in_array($v, self::$_np_map_nothing)) { continue; } // Try to find prohibited input if (in_array($v, self::$_np_prohibit) \|\| in_array($v, self::$_general_prohibited)) { throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); } foreach (self::$_np_prohibit_ranges as $range) { if ($range[0] <= $v && $v <= $range[1]) { throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v)); } } // Hangul syllable decomposition if (0xAC00 <= $v && $v <= 0xD7AF) { foreach ($this->_hangulDecompose($v) as $out) { $output[] = $out; } } else if (($this->_version == '2003') && isset(self::$_np_replacemaps[$v])) { // There's a decomposition mapping for that code point // Decompositions only in version 2003 (original) of IDNA foreach ($this->_applyCannonicalOrdering(self::$_np_replacemaps[$v]) as $out) { $output[] = $out; } } else { $output[] = $v; } } // Combine code points $last_class = 0; $last_starter = 0; $out_len = count($output); for ($i = 0; $i < $out_len; ++$i) { $class = $this->_getCombiningClass($output[$i]); if ((!$last_class \|\| $last_class != $class) && $class) { // Try to match $seq_len = $i - $last_starter; $out = $this->_combine(array_slice($output, $last_starter, $seq_len)); // On match: Replace the last starter with the composed character and remove // the now redundant non-starter(s) if ($out) { $output[$last_starter] = $out; if (count($out) != $seq_len) { for ($j = $i + 1; $j < $out_len; ++$j) { $output[$j - 1] = $output[$j]; } unset($output[$out_len]); } // Rewind the for loop by one, since there can be more possible compositions $i--; $out_len--; $last_class = ($i == $last_starter)? 0 : $this->_getCombiningClass($output[$i - 1]); continue; } } // The current class is 0 if (!$class) { $last_starter = $i; } $last_class = $class; } return $output; } /* * Decomposes a Hangul syllable * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). * * @param integer $char 32bit UCS4 code point * * @return array Either Hangul Syllable decomposed or original 32bit * value as one value array * @access private / private function _hangulDecompose($char) { $sindex = $char - $this->_sbase; if ($sindex < 0 \|\| $sindex >= $this->_scount) { return array($char); } $result = array(); $T = $this->_tbase + $sindex % $this->_tcount; $result[] = (int)($this->_lbase + $sindex / $this->_ncount); $result[] = (int)($this->_vbase + ($sindex % $this->_ncount) / $this->_tcount); if ($T != $this->_tbase) { $result[] = $T; } return $result; } /* * Ccomposes a Hangul syllable * (see http://www.unicode.org/unicode/reports/tr15/#Hangul). * * @param array $input Decomposed UCS4 sequence * * @return array UCS4 sequence with syllables composed * @access private / private function _hangulCompose($input) { $inp_len = count($input); if (!$inp_len) { return array(); } $result = array(); $last = $input[0]; $result[] = $last; // copy first char from input to output for ($i = 1; $i < $inp_len; ++$i) { $char = $input[$i]; // Find out, wether two current characters from L and V $lindex = $last - $this->_lbase; if (0 <= $lindex && $lindex < $this->_lcount) { $vindex = $char - $this->_vbase; if (0 <= $vindex && $vindex < $this->_vcount) { // create syllable of form LV $last = ($this->_sbase + ($lindex $this->_vcount + $vindex) * $this->_tcount); $out_off = count($result) - 1; $result[$out_off] = $last; // reset last // discard char continue; } } // Find out, wether two current characters are LV and T $sindex = $last - $this->_sbase; if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount) == 0) { $tindex = $char - $this->_tbase; if (0 <= $tindex && $tindex <= $this->_tcount) { // create syllable of form LVT $last += $tindex; $out_off = count($result) - 1; $result[$out_off] = $last; // reset last // discard char continue; } } // if neither case was true, just add the character $last = $char; $result[] = $char; } return $result; } /** * Returns the combining class of a certain wide char. * * @param integer $char Wide char to check (32bit integer) * * @return integer Combining class if found, else 0 * @access private / private function _getCombiningClass($char) { return isset(self::$_np_norm_combcls[$char])? self::$_np_norm_combcls[$char] : 0; } /* * Apllies the cannonical ordering of a decomposed UCS4 sequence. * * @param array $input Decomposed UCS4 sequence * * @return array Ordered USC4 sequence * @access private / private function _applyCannonicalOrdering($input) { $swap = true; $size = count($input); while ($swap) { $swap = false; $last = $this->_getCombiningClass($input[0]); for ($i = 0; $i < $size - 1; ++$i) { $next = $this->_getCombiningClass($input[$i + 1]); if ($next != 0 && $last > $next) { // Move item leftward until it fits for ($j = $i + 1; $j > 0; --$j) { if ($this->_getCombiningClass($input[$j - 1]) <= $next) { break; } $t = $input[$j]; $input[$j] = $input[$j - 1]; $input[$j - 1] = $t; $swap = 1; } // Reentering the loop looking at the old character again $next = $last; } $last = $next; } } return $input; } /* * Do composition of a sequence of starter and non-starter. * * @param array $input UCS4 Decomposed sequence * * @return array Ordered USC4 sequence * @access private / private function _combine($input) { $inp_len = count($input); // Is it a Hangul syllable? if (1 != $inp_len) { $hangul = $this->_hangulCompose($input); // This place is probably wrong if (count($hangul) != $inp_len) { return $hangul; } } foreach (self::$_np_replacemaps as $np_src => $np_target) { if ($np_target[0] != $input[0]) { continue; } if (count($np_target) != $inp_len) { continue; } $hit = false; foreach ($input as $k2 => $v2) { if ($v2 == $np_target[$k2]) { $hit = true; } else { $hit = false; break; } } if ($hit) { return $np_src; } } return false; } /* * This converts an UTF-8 encoded string to its UCS-4 (array) representation * By talking about UCS-4 we mean arrays of 32bit integers representing * each of the "chars". This is due to PHP not being able to handle strings with * bit depth different from 8. This applies to the reverse method _ucs4_to_utf8(), too. * The following UTF-8 encodings are supported: * * bytes bits representation * 1 7 0xxxxxxx * 2 11 110xxxxx 10xxxxxx * 3 16 1110xxxx 10xxxxxx 10xxxxxx * 4 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx * 5 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx * 6 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx * * Each x represents a bit that can be used to store character data. * * @param string $input utf8-encoded string * * @return array ucs4-encoded array * @throws Exception * @access private / private function _utf8_to_ucs4($input) { $output = array(); $out_len = 0; $inp_len = self::_byteLength($input, '8bit'); $mode = 'next'; $test = 'none'; for ($k = 0; $k < $inp_len; ++$k) { $v = ord($input{$k}); // Extract byte from input string if ($v < 128) { // We found an ASCII char - put into stirng as is $output[$out_len] = $v; ++$out_len; if ('add' == $mode) { throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); } continue; } if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char $start_byte = $v; $mode = 'add'; $test = 'range'; if ($v >> 5 == 6) { // &110xxxxx 10xxxxx $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left $v = ($v - 192) << 6; } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx $next_byte = 1; $v = ($v - 224) << 12; } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 2; $v = ($v - 240) << 18; } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 3; $v = ($v - 248) << 24; } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx $next_byte = 4; $v = ($v - 252) << 30; } else { throw new UnexpectedValueException('This might be UTF-8, but I don\'t understand it at byte '.$k); } if ('add' == $mode) { $output[$out_len] = (int) $v; ++$out_len; continue; } } if ('add' == $mode) { if (!$this->_allow_overlong && $test == 'range') { $test = 'none'; if (($v < 0xA0 && $start_byte == 0xE0) \|\| ($v < 0x90 && $start_byte == 0xF0) \|\| ($v > 0x8F && $start_byte == 0xF4)) { throw new OutOfRangeException('Bogus UTF-8 character detected (out of legal range) at byte '.$k); } } if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx $v = ($v - 128) << ($next_byte 6); $output[($out_len - 1)] += $v; --$next_byte; } else { throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); } if ($next_byte < 0) { $mode = 'next'; } } } // for return $output; } /** * Convert UCS-4 array into UTF-8 string * * @param array $input ucs4-encoded array * * @return string utf8-encoded string * @throws Exception * @access private / private function _ucs4_to_utf8($input) { $output = ''; foreach ($input as $v) { // $v = ord($v); if ($v < 128) { // 7bit are transferred literally $output .= chr($v); } else if ($v < 1 << 11) { // 2 bytes $output .= chr(192 + ($v >> 6)) . chr(128 + ($v & 63)); } else if ($v < 1 << 16) { // 3 bytes $output .= chr(224 + ($v >> 12)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 21) { // 4 bytes $output .= chr(240 + ($v >> 18)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 26) { // 5 bytes $output .= chr(248 + ($v >> 24)) . chr(128 + (($v >> 18) & 63)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else if ($v < 1 << 31) { // 6 bytes $output .= chr(252 + ($v >> 30)) . chr(128 + (($v >> 24) & 63)) . chr(128 + (($v >> 18) & 63)) . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); } else { throw new UnexpectedValueException('Conversion from UCS-4 to UTF-8 failed: malformed input'); } } return $output; } /* * Convert UCS-4 array into UCS-4 string * * @param array $input ucs4-encoded array * * @return string ucs4-encoded string * @throws Exception * @access private / private function _ucs4_to_ucs4_string($input) { $output = ''; // Take array values and split output to 4 bytes per value // The bit mask is 255, which reads &11111111 foreach ($input as $v) { $output .= ($v & (255 << 24) >> 24) . ($v & (255 << 16) >> 16) . ($v & (255 << 8) >> 8) . ($v & 255); } return $output; } /* * Convert UCS-4 string into UCS-4 array * * @param string $input ucs4-encoded string * * @return array ucs4-encoded array * @throws InvalidArgumentException * @access private / private function _ucs4_string_to_ucs4($input) { $output = array(); $inp_len = self::_byteLength($input); // Input length must be dividable by 4 if ($inp_len % 4) { throw new InvalidArgumentException('Input UCS4 string is broken'); } // Empty input - return empty output if (!$inp_len) { return $output; } for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) { // Increment output position every 4 input bytes if (!$i % 4) { $out_len++; $output[$out_len] = 0; } $output[$out_len] += ord($input{$i}) << (8 (3 - ($i % 4) ) ); } return $output; } /** * Echo hex representation of UCS4 sequence. * * @param array $input UCS4 sequence * @param boolean $include_bit Include bitmask in output * * @return void * @static * @access private / private static function _showHex($input, $include_bit = false) { foreach ($input as $k => $v) { echo '[', $k, '] => ', sprintf('%X', $v); if ($include_bit) { echo ' (', Net_IDNA2::_showBitmask($v), ')'; } echo "\n"; } } /* * Gives you a bit representation of given Byte (8 bits), Word (16 bits) or DWord (32 bits) * Output width is automagically determined * * @param int $octet ... * * @return string Bitmask-representation * @static * @access private / private static function _showBitmask($octet) { if ($octet >= (1 << 16)) { $w = 31; } else if ($octet >= (1 << 8)) { $w = 15; } else { $w = 7; } $return = ''; for ($i = $w; $i > -1; $i--) { $return .= ($octet & (1 << $i))? '1' : '0'; } return $return; } /* * Gets the length of a string in bytes even if mbstring function * overloading is turned on * * @param string $string the string for which to get the length. * * @return integer the length of the string in bytes. * * @see Net_IDNA2::$_mb_string_overload / private static function _byteLength($string) { if (self::$_mb_string_overload) { return mb_strlen($string, '8bit'); } return strlen((binary)$string); } // }}}} // {{{ factory /* * Attempts to return a concrete IDNA instance for either php4 or php5. * * @param array $params Set of paramaters * * @return Net_IDNA2 * @access public / function getInstance($params = array()) { return new Net_IDNA2($params); } // }}} // {{{ singleton /* * Attempts to return a concrete IDNA instance for either php4 or php5, * only creating a new instance if no IDNA instance with the same * parameters currently exists. * * @param array $params Set of paramaters * * @return object Net_IDNA2 * @access public */ function singleton($params = array()) { static $instances; if (!isset($instances)) { $instances = array(); } $signature = serialize($params); if (!isset($instances[$signature])) { $instances[$signature] = Net_IDNA2::getInstance($params); } return $instances[$signature]; } // }}} } ?> Back

Edit File : IDNA2.php | Size : 101.69 KB

<?php

// {{{ license

/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4 foldmethod=marker: */
//
// +----------------------------------------------------------------------+
// | This library is free software; you can redistribute it and/or modify |
// | it under the terms of the GNU Lesser General Public License as       |
// | published by the Free Software Foundation; either version 2.1 of the |
// | License, or (at your option) any later version.                      |
// |                                                                      |
// | This library is distributed in the hope that it will be useful, but  |
// | WITHOUT ANY WARRANTY; without even the implied warranty of           |
// | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU    |
// | Lesser General Public License for more details.                      |
// |                                                                      |
// | You should have received a copy of the GNU Lesser General Public     |
// | License along with this library; if not, write to the Free Software  |
// | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 |
// | USA.                                                                 |
// +----------------------------------------------------------------------+
//

// }}}
require_once 'Net/IDNA2/Exception.php';
require_once 'Net/IDNA2/Exception/Nameprep.php';

/**
 * Encode/decode Internationalized Domain Names.
 *
 * The class allows to convert internationalized domain names
 * (see RFC 3490 for details) as they can be used with various registries worldwide
 * to be translated between their original (localized) form and their encoded form
 * as it will be used in the DNS (Domain Name System).
 *
 * The class provides two public methods, encode() and decode(), which do exactly
 * what you would expect them to do. You are allowed to use complete domain names,
 * simple strings and complete email addresses as well. That means, that you might
 * use any of the following notations:
 *
 * - www.n�rgler.com
 * - xn--nrgler-wxa
 * - xn--brse-5qa.xn--knrz-1ra.info
 *
 * Unicode input might be given as either UTF-8 string, UCS-4 string or UCS-4
 * array. Unicode output is available in the same formats.
 * You can select your preferred format via {@link set_paramter()}.
 *
 * ACE input and output is always expected to be ASCII.
 *
 * @package Net
 * @author  Markus Nix <mnix@docuverse.de>
 * @author  Matthias Sommerfeld <mso@phlylabs.de>
 * @author  Stefan Neufeind <pear.neufeind@speedpartner.de>
 * @version $Id: IDNA2.php 305344 2010-11-14 23:52:42Z neufeind $
 */
class Net_IDNA2
{
    // {{{ npdata
    /**
     * These Unicode codepoints are
     * mapped to nothing, See RFC3454 for details
     *
     * @static
     * @var array
     * @access private
     */
    private static $_np_map_nothing = array(
        0xAD,
        0x34F,
        0x1806,
        0x180B,
        0x180C,
        0x180D,
        0x200B,
        0x200C,
        0x200D,
        0x2060,
        0xFE00,
        0xFE01,
        0xFE02,
        0xFE03,
        0xFE04,
        0xFE05,
        0xFE06,
        0xFE07,
        0xFE08,
        0xFE09,
        0xFE0A,
        0xFE0B,
        0xFE0C,
        0xFE0D,
        0xFE0E,
        0xFE0F,
        0xFEFF
    );

/**
     * Prohibited codepints
     *
     * @static
     * @var array
     * @access private
     */
    private static $_general_prohibited = array(
        0,
        1,
        2,
        3,
        4,
        5,
        6,
        7,
        8,
        9,
        0xA,
        0xB,
        0xC,
        0xD,
        0xE,
        0xF,
        0x10,
        0x11,
        0x12,
        0x13,
        0x14,
        0x15,
        0x16,
        0x17,
        0x18,
        0x19,
        0x1A,
        0x1B,
        0x1C,
        0x1D,
        0x1E,
        0x1F,
        0x20,
        0x21,
        0x22,
        0x23,
        0x24,
        0x25,
        0x26,
        0x27,
        0x28,
        0x29,
        0x2A,
        0x2B,
        0x2C,
        0x2F,
        0x3B,
        0x3C,
        0x3D,
        0x3E,
        0x3F,
        0x40,
        0x5B,
        0x5C,
        0x5D,
        0x5E,
        0x5F,
        0x60,
        0x7B,
        0x7C,
        0x7D,
        0x7E,
        0x7F,
        0x3002
    );

/**
     * Codepints prohibited by Nameprep
     * @static
     * @var array
     * @access private
     */
    private static $_np_prohibit = array(
        0xA0,
        0x1680,
        0x2000,
        0x2001,
        0x2002,
        0x2003,
        0x2004,
        0x2005,
        0x2006,
        0x2007,
        0x2008,
        0x2009,
        0x200A,
        0x200B,
        0x202F,
        0x205F,
        0x3000,
        0x6DD,
        0x70F,
        0x180E,
        0x200C,
        0x200D,
        0x2028,
        0x2029,
        0xFEFF,
        0xFFF9,
        0xFFFA,
        0xFFFB,
        0xFFFC,
        0xFFFE,
        0xFFFF,
        0x1FFFE,
        0x1FFFF,
        0x2FFFE,
        0x2FFFF,
        0x3FFFE,
        0x3FFFF,
        0x4FFFE,
        0x4FFFF,
        0x5FFFE,
        0x5FFFF,
        0x6FFFE,
        0x6FFFF,
        0x7FFFE,
        0x7FFFF,
        0x8FFFE,
        0x8FFFF,
        0x9FFFE,
        0x9FFFF,
        0xAFFFE,
        0xAFFFF,
        0xBFFFE,
        0xBFFFF,
        0xCFFFE,
        0xCFFFF,
        0xDFFFE,
        0xDFFFF,
        0xEFFFE,
        0xEFFFF,
        0xFFFFE,
        0xFFFFF,
        0x10FFFE,
        0x10FFFF,
        0xFFF9,
        0xFFFA,
        0xFFFB,
        0xFFFC,
        0xFFFD,
        0x340,
        0x341,
        0x200E,
        0x200F,
        0x202A,
        0x202B,
        0x202C,
        0x202D,
        0x202E,
        0x206A,
        0x206B,
        0x206C,
        0x206D,
        0x206E,
        0x206F,
        0xE0001
    );

/**
     * Codepoint ranges prohibited by nameprep
     *
     * @static
     * @var array
     * @access private
     */
    private static $_np_prohibit_ranges = array(
        array(0x80,     0x9F    ),
        array(0x2060,   0x206F  ),
        array(0x1D173,  0x1D17A ),
        array(0xE000,   0xF8FF  ),
        array(0xF0000,  0xFFFFD ),
        array(0x100000, 0x10FFFD),
        array(0xFDD0,   0xFDEF  ),
        array(0xD800,   0xDFFF  ),
        array(0x2FF0,   0x2FFB  ),
        array(0xE0020,  0xE007F )
    );

/**
     * Replacement mappings (casemapping, replacement sequences, ...)
     *
     * @static
     * @var array
     * @access private
     */
    private static $_np_replacemaps = array(
        0x41    => array(0x61),
        0x42    => array(0x62),
        0x43    => array(0x63),
        0x44    => array(0x64),
        0x45    => array(0x65),
        0x46    => array(0x66),
        0x47    => array(0x67),
        0x48    => array(0x68),
        0x49    => array(0x69),
        0x4A    => array(0x6A),
        0x4B    => array(0x6B),
        0x4C    => array(0x6C),
        0x4D    => array(0x6D),
        0x4E    => array(0x6E),
        0x4F    => array(0x6F),
        0x50    => array(0x70),
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        0x1E98  => array(0x77, 0x30A),
        0x1E99  => array(0x79, 0x30A),
        0x1E9A  => array(0x61, 0x2BE),
        0x1E9B  => array(0x1E61),
        0x1EA0  => array(0x1EA1),
        0x1EA2  => array(0x1EA3),
        0x1EA4  => array(0x1EA5),
        0x1EA6  => array(0x1EA7),
        0x1EA8  => array(0x1EA9),
        0x1EAA  => array(0x1EAB),
        0x1EAC  => array(0x1EAD),
        0x1EAE  => array(0x1EAF),
        0x1EB0  => array(0x1EB1),
        0x1EB2  => array(0x1EB3),
        0x1EB4  => array(0x1EB5),
        0x1EB6  => array(0x1EB7),
        0x1EB8  => array(0x1EB9),
        0x1EBA  => array(0x1EBB),
        0x1EBC  => array(0x1EBD),
        0x1EBE  => array(0x1EBF),
        0x1EC0  => array(0x1EC1),
        0x1EC2  => array(0x1EC3),
        0x1EC4  => array(0x1EC5),
        0x1EC6  => array(0x1EC7),
        0x1EC8  => array(0x1EC9),
        0x1ECA  => array(0x1ECB),
        0x1ECC  => array(0x1ECD),
        0x1ECE  => array(0x1ECF),
        0x1ED0  => array(0x1ED1),
        0x1ED2  => array(0x1ED3),
        0x1ED4  => array(0x1ED5),
        0x1ED6  => array(0x1ED7),
        0x1ED8  => array(0x1ED9),
        0x1EDA  => array(0x1EDB),
        0x1EDC  => array(0x1EDD),
        0x1EDE  => array(0x1EDF),
        0x1EE0  => array(0x1EE1),
        0x1EE2  => array(0x1EE3),
        0x1EE4  => array(0x1EE5),
        0x1EE6  => array(0x1EE7),
        0x1EE8  => array(0x1EE9),
        0x1EEA  => array(0x1EEB),
        0x1EEC  => array(0x1EED),
        0x1EEE  => array(0x1EEF),
        0x1EF0  => array(0x1EF1),
        0x1EF2  => array(0x1EF3),
        0x1EF4  => array(0x1EF5),
        0x1EF6  => array(0x1EF7),
        0x1EF8  => array(0x1EF9),
        0x1F08  => array(0x1F00),
        0x1F09  => array(0x1F01),
        0x1F0A  => array(0x1F02),
        0x1F0B  => array(0x1F03),
        0x1F0C  => array(0x1F04),
        0x1F0D  => array(0x1F05),
        0x1F0E  => array(0x1F06),
        0x1F0F  => array(0x1F07),
        0x1F18  => array(0x1F10),
        0x1F19  => array(0x1F11),
        0x1F1A  => array(0x1F12),
        0x1F1B  => array(0x1F13),
        0x1F1C  => array(0x1F14),
        0x1F1D  => array(0x1F15),
        0x1F28  => array(0x1F20),
        0x1F29  => array(0x1F21),
        0x1F2A  => array(0x1F22),
        0x1F2B  => array(0x1F23),
        0x1F2C  => array(0x1F24),
        0x1F2D  => array(0x1F25),
        0x1F2E  => array(0x1F26),
        0x1F2F  => array(0x1F27),
        0x1F38  => array(0x1F30),
        0x1F39  => array(0x1F31),
        0x1F3A  => array(0x1F32),
        0x1F3B  => array(0x1F33),
        0x1F3C  => array(0x1F34),
        0x1F3D  => array(0x1F35),
        0x1F3E  => array(0x1F36),
        0x1F3F  => array(0x1F37),
        0x1F48  => array(0x1F40),
        0x1F49  => array(0x1F41),
        0x1F4A  => array(0x1F42),
        0x1F4B  => array(0x1F43),
        0x1F4C  => array(0x1F44),
        0x1F4D  => array(0x1F45),
        0x1F50  => array(0x3C5, 0x313),
        0x1F52  => array(0x3C5, 0x313, 0x300),
        0x1F54  => array(0x3C5, 0x313, 0x301),
        0x1F56  => array(0x3C5, 0x313, 0x342),
        0x1F59  => array(0x1F51),
        0x1F5B  => array(0x1F53),
        0x1F5D  => array(0x1F55),
        0x1F5F  => array(0x1F57),
        0x1F68  => array(0x1F60),
        0x1F69  => array(0x1F61),
        0x1F6A  => array(0x1F62),
        0x1F6B  => array(0x1F63),
        0x1F6C  => array(0x1F64),
        0x1F6D  => array(0x1F65),
        0x1F6E  => array(0x1F66),
        0x1F6F  => array(0x1F67),
        0x1F80  => array(0x1F00, 0x3B9),
        0x1F81  => array(0x1F01, 0x3B9),
        0x1F82  => array(0x1F02, 0x3B9),
        0x1F83  => array(0x1F03, 0x3B9),
        0x1F84  => array(0x1F04, 0x3B9),
        0x1F85  => array(0x1F05, 0x3B9),
        0x1F86  => array(0x1F06, 0x3B9),
        0x1F87  => array(0x1F07, 0x3B9),
        0x1F88  => array(0x1F00, 0x3B9),
        0x1F89  => array(0x1F01, 0x3B9),
        0x1F8A  => array(0x1F02, 0x3B9),
        0x1F8B  => array(0x1F03, 0x3B9),
        0x1F8C  => array(0x1F04, 0x3B9),
        0x1F8D  => array(0x1F05, 0x3B9),
        0x1F8E  => array(0x1F06, 0x3B9),
        0x1F8F  => array(0x1F07, 0x3B9),
        0x1F90  => array(0x1F20, 0x3B9),
        0x1F91  => array(0x1F21, 0x3B9),
        0x1F92  => array(0x1F22, 0x3B9),
        0x1F93  => array(0x1F23, 0x3B9),
        0x1F94  => array(0x1F24, 0x3B9),
        0x1F95  => array(0x1F25, 0x3B9),
        0x1F96  => array(0x1F26, 0x3B9),
        0x1F97  => array(0x1F27, 0x3B9),
        0x1F98  => array(0x1F20, 0x3B9),
        0x1F99  => array(0x1F21, 0x3B9),
        0x1F9A  => array(0x1F22, 0x3B9),
        0x1F9B  => array(0x1F23, 0x3B9),
        0x1F9C  => array(0x1F24, 0x3B9),
        0x1F9D  => array(0x1F25, 0x3B9),
        0x1F9E  => array(0x1F26, 0x3B9),
        0x1F9F  => array(0x1F27, 0x3B9),
        0x1FA0  => array(0x1F60, 0x3B9),
        0x1FA1  => array(0x1F61, 0x3B9),
        0x1FA2  => array(0x1F62, 0x3B9),
        0x1FA3  => array(0x1F63, 0x3B9),
        0x1FA4  => array(0x1F64, 0x3B9),
        0x1FA5  => array(0x1F65, 0x3B9),
        0x1FA6  => array(0x1F66, 0x3B9),
        0x1FA7  => array(0x1F67, 0x3B9),
        0x1FA8  => array(0x1F60, 0x3B9),
        0x1FA9  => array(0x1F61, 0x3B9),
        0x1FAA  => array(0x1F62, 0x3B9),
        0x1FAB  => array(0x1F63, 0x3B9),
        0x1FAC  => array(0x1F64, 0x3B9),
        0x1FAD  => array(0x1F65, 0x3B9),
        0x1FAE  => array(0x1F66, 0x3B9),
        0x1FAF  => array(0x1F67, 0x3B9),
        0x1FB2  => array(0x1F70, 0x3B9),
        0x1FB3  => array(0x3B1, 0x3B9),
        0x1FB4  => array(0x3AC, 0x3B9),
        0x1FB6  => array(0x3B1, 0x342),
        0x1FB7  => array(0x3B1, 0x342, 0x3B9),
        0x1FB8  => array(0x1FB0),
        0x1FB9  => array(0x1FB1),
        0x1FBA  => array(0x1F70),
        0x1FBB  => array(0x1F71),
        0x1FBC  => array(0x3B1, 0x3B9),
        0x1FBE  => array(0x3B9),
        0x1FC2  => array(0x1F74, 0x3B9),
        0x1FC3  => array(0x3B7, 0x3B9),
        0x1FC4  => array(0x3AE, 0x3B9),
        0x1FC6  => array(0x3B7, 0x342),
        0x1FC7  => array(0x3B7, 0x342, 0x3B9),
        0x1FC8  => array(0x1F72),
        0x1FC9  => array(0x1F73),
        0x1FCA  => array(0x1F74),
        0x1FCB  => array(0x1F75),
        0x1FCC  => array(0x3B7, 0x3B9),
        0x1FD2  => array(0x3B9, 0x308, 0x300),
        0x1FD3  => array(0x3B9, 0x308, 0x301),
        0x1FD6  => array(0x3B9, 0x342),
        0x1FD7  => array(0x3B9, 0x308, 0x342),
        0x1FD8  => array(0x1FD0),
        0x1FD9  => array(0x1FD1),
        0x1FDA  => array(0x1F76),
        0x1FDB  => array(0x1F77),
        0x1FE2  => array(0x3C5, 0x308, 0x300),
        0x1FE3  => array(0x3C5, 0x308, 0x301),
        0x1FE4  => array(0x3C1, 0x313),
        0x1FE6  => array(0x3C5, 0x342),
        0x1FE7  => array(0x3C5, 0x308, 0x342),
        0x1FE8  => array(0x1FE0),
        0x1FE9  => array(0x1FE1),
        0x1FEA  => array(0x1F7A),
        0x1FEB  => array(0x1F7B),
        0x1FEC  => array(0x1FE5),
        0x1FF2  => array(0x1F7C, 0x3B9),
        0x1FF3  => array(0x3C9, 0x3B9),
        0x1FF4  => array(0x3CE, 0x3B9),
        0x1FF6  => array(0x3C9, 0x342),
        0x1FF7  => array(0x3C9, 0x342, 0x3B9),
        0x1FF8  => array(0x1F78),
        0x1FF9  => array(0x1F79),
        0x1FFA  => array(0x1F7C),
        0x1FFB  => array(0x1F7D),
        0x1FFC  => array(0x3C9, 0x3B9),
        0x20A8  => array(0x72, 0x73),
        0x2102  => array(0x63),
        0x2103  => array(0xB0, 0x63),
        0x2107  => array(0x25B),
        0x2109  => array(0xB0, 0x66),
        0x210B  => array(0x68),
        0x210C  => array(0x68),
        0x210D  => array(0x68),
        0x2110  => array(0x69),
        0x2111  => array(0x69),
        0x2112  => array(0x6C),
        0x2115  => array(0x6E),
        0x2116  => array(0x6E, 0x6F),
        0x2119  => array(0x70),
        0x211A  => array(0x71),
        0x211B  => array(0x72),
        0x211C  => array(0x72),
        0x211D  => array(0x72),
        0x2120  => array(0x73, 0x6D),
        0x2121  => array(0x74, 0x65, 0x6C),
        0x2122  => array(0x74, 0x6D),
        0x2124  => array(0x7A),
        0x2126  => array(0x3C9),
        0x2128  => array(0x7A),
        0x212A  => array(0x6B),
        0x212B  => array(0xE5),
        0x212C  => array(0x62),
        0x212D  => array(0x63),
        0x2130  => array(0x65),
        0x2131  => array(0x66),
        0x2133  => array(0x6D),
        0x213E  => array(0x3B3),
        0x213F  => array(0x3C0),
        0x2145  => array(0x64),
        0x2160  => array(0x2170),
        0x2161  => array(0x2171),
        0x2162  => array(0x2172),
        0x2163  => array(0x2173),
        0x2164  => array(0x2174),
        0x2165  => array(0x2175),
        0x2166  => array(0x2176),
        0x2167  => array(0x2177),
        0x2168  => array(0x2178),
        0x2169  => array(0x2179),
        0x216A  => array(0x217A),
        0x216B  => array(0x217B),
        0x216C  => array(0x217C),
        0x216D  => array(0x217D),
        0x216E  => array(0x217E),
        0x216F  => array(0x217F),
        0x24B6  => array(0x24D0),
        0x24B7  => array(0x24D1),
        0x24B8  => array(0x24D2),
        0x24B9  => array(0x24D3),
        0x24BA  => array(0x24D4),
        0x24BB  => array(0x24D5),
        0x24BC  => array(0x24D6),
        0x24BD  => array(0x24D7),
        0x24BE  => array(0x24D8),
        0x24BF  => array(0x24D9),
        0x24C0  => array(0x24DA),
        0x24C1  => array(0x24DB),
        0x24C2  => array(0x24DC),
        0x24C3  => array(0x24DD),
        0x24C4  => array(0x24DE),
        0x24C5  => array(0x24DF),
        0x24C6  => array(0x24E0),
        0x24C7  => array(0x24E1),
        0x24C8  => array(0x24E2),
        0x24C9  => array(0x24E3),
        0x24CA  => array(0x24E4),
        0x24CB  => array(0x24E5),
        0x24CC  => array(0x24E6),
        0x24CD  => array(0x24E7),
        0x24CE  => array(0x24E8),
        0x24CF  => array(0x24E9),
        0x3371  => array(0x68, 0x70, 0x61),
        0x3373  => array(0x61, 0x75),
        0x3375  => array(0x6F, 0x76),
        0x3380  => array(0x70, 0x61),
        0x3381  => array(0x6E, 0x61),
        0x3382  => array(0x3BC, 0x61),
        0x3383  => array(0x6D, 0x61),
        0x3384  => array(0x6B, 0x61),
        0x3385  => array(0x6B, 0x62),
        0x3386  => array(0x6D, 0x62),
        0x3387  => array(0x67, 0x62),
        0x338A  => array(0x70, 0x66),
        0x338B  => array(0x6E, 0x66),
        0x338C  => array(0x3BC, 0x66),
        0x3390  => array(0x68, 0x7A),
        0x3391  => array(0x6B, 0x68, 0x7A),
        0x3392  => array(0x6D, 0x68, 0x7A),
        0x3393  => array(0x67, 0x68, 0x7A),
        0x3394  => array(0x74, 0x68, 0x7A),
        0x33A9  => array(0x70, 0x61),
        0x33AA  => array(0x6B, 0x70, 0x61),
        0x33AB  => array(0x6D, 0x70, 0x61),
        0x33AC  => array(0x67, 0x70, 0x61),
        0x33B4  => array(0x70, 0x76),
        0x33B5  => array(0x6E, 0x76),
        0x33B6  => array(0x3BC, 0x76),
        0x33B7  => array(0x6D, 0x76),
        0x33B8  => array(0x6B, 0x76),
        0x33B9  => array(0x6D, 0x76),
        0x33BA  => array(0x70, 0x77),
        0x33BB  => array(0x6E, 0x77),
        0x33BC  => array(0x3BC, 0x77),
        0x33BD  => array(0x6D, 0x77),
        0x33BE  => array(0x6B, 0x77),
        0x33BF  => array(0x6D, 0x77),
        0x33C0  => array(0x6B, 0x3C9),
        0x33C1  => array(0x6D, 0x3C9),
        /* 0x33C2  => array(0x61, 0x2E, 0x6D, 0x2E), */
        0x33C3  => array(0x62, 0x71),
        0x33C6  => array(0x63, 0x2215, 0x6B, 0x67),
        0x33C7  => array(0x63, 0x6F, 0x2E),
        0x33C8  => array(0x64, 0x62),
        0x33C9  => array(0x67, 0x79),
        0x33CB  => array(0x68, 0x70),
        0x33CD  => array(0x6B, 0x6B),
        0x33CE  => array(0x6B, 0x6D),
        0x33D7  => array(0x70, 0x68),
        0x33D9  => array(0x70, 0x70, 0x6D),
        0x33DA  => array(0x70, 0x72),
        0x33DC  => array(0x73, 0x76),
        0x33DD  => array(0x77, 0x62),
        0xFB00  => array(0x66, 0x66),
        0xFB01  => array(0x66, 0x69),
        0xFB02  => array(0x66, 0x6C),
        0xFB03  => array(0x66, 0x66, 0x69),
        0xFB04  => array(0x66, 0x66, 0x6C),
        0xFB05  => array(0x73, 0x74),
        0xFB06  => array(0x73, 0x74),
        0xFB13  => array(0x574, 0x576),
        0xFB14  => array(0x574, 0x565),
        0xFB15  => array(0x574, 0x56B),
        0xFB16  => array(0x57E, 0x576),
        0xFB17  => array(0x574, 0x56D),
        0xFF21  => array(0xFF41),
        0xFF22  => array(0xFF42),
        0xFF23  => array(0xFF43),
        0xFF24  => array(0xFF44),
        0xFF25  => array(0xFF45),
        0xFF26  => array(0xFF46),
        0xFF27  => array(0xFF47),
        0xFF28  => array(0xFF48),
        0xFF29  => array(0xFF49),
        0xFF2A  => array(0xFF4A),
        0xFF2B  => array(0xFF4B),
        0xFF2C  => array(0xFF4C),
        0xFF2D  => array(0xFF4D),
        0xFF2E  => array(0xFF4E),
        0xFF2F  => array(0xFF4F),
        0xFF30  => array(0xFF50),
        0xFF31  => array(0xFF51),
        0xFF32  => array(0xFF52),
        0xFF33  => array(0xFF53),
        0xFF34  => array(0xFF54),
        0xFF35  => array(0xFF55),
        0xFF36  => array(0xFF56),
        0xFF37  => array(0xFF57),
        0xFF38  => array(0xFF58),
        0xFF39  => array(0xFF59),
        0xFF3A  => array(0xFF5A),
        0x10400 => array(0x10428),
        0x10401 => array(0x10429),
        0x10402 => array(0x1042A),
        0x10403 => array(0x1042B),
        0x10404 => array(0x1042C),
        0x10405 => array(0x1042D),
        0x10406 => array(0x1042E),
        0x10407 => array(0x1042F),
        0x10408 => array(0x10430),
        0x10409 => array(0x10431),
        0x1040A => array(0x10432),
        0x1040B => array(0x10433),
        0x1040C => array(0x10434),
        0x1040D => array(0x10435),
        0x1040E => array(0x10436),
        0x1040F => array(0x10437),
        0x10410 => array(0x10438),
        0x10411 => array(0x10439),
        0x10412 => array(0x1043A),
        0x10413 => array(0x1043B),
        0x10414 => array(0x1043C),
        0x10415 => array(0x1043D),
        0x10416 => array(0x1043E),
        0x10417 => array(0x1043F),
        0x10418 => array(0x10440),
        0x10419 => array(0x10441),
        0x1041A => array(0x10442),
        0x1041B => array(0x10443),
        0x1041C => array(0x10444),
        0x1041D => array(0x10445),
        0x1041E => array(0x10446),
        0x1041F => array(0x10447),
        0x10420 => array(0x10448),
        0x10421 => array(0x10449),
        0x10422 => array(0x1044A),
        0x10423 => array(0x1044B),
        0x10424 => array(0x1044C),
        0x10425 => array(0x1044D),
        0x1D400 => array(0x61),
        0x1D401 => array(0x62),
        0x1D402 => array(0x63),
        0x1D403 => array(0x64),
        0x1D404 => array(0x65),
        0x1D405 => array(0x66),
        0x1D406 => array(0x67),
        0x1D407 => array(0x68),
        0x1D408 => array(0x69),
        0x1D409 => array(0x6A),
        0x1D40A => array(0x6B),
        0x1D40B => array(0x6C),
        0x1D40C => array(0x6D),
        0x1D40D => array(0x6E),
        0x1D40E => array(0x6F),
        0x1D40F => array(0x70),
        0x1D410 => array(0x71),
        0x1D411 => array(0x72),
        0x1D412 => array(0x73),
        0x1D413 => array(0x74),
        0x1D414 => array(0x75),
        0x1D415 => array(0x76),
        0x1D416 => array(0x77),
        0x1D417 => array(0x78),
        0x1D418 => array(0x79),
        0x1D419 => array(0x7A),
        0x1D434 => array(0x61),
        0x1D435 => array(0x62),
        0x1D436 => array(0x63),
        0x1D437 => array(0x64),
        0x1D438 => array(0x65),
        0x1D439 => array(0x66),
        0x1D43A => array(0x67),
        0x1D43B => array(0x68),
        0x1D43C => array(0x69),
        0x1D43D => array(0x6A),
        0x1D43E => array(0x6B),
        0x1D43F => array(0x6C),
        0x1D440 => array(0x6D),
        0x1D441 => array(0x6E),
        0x1D442 => array(0x6F),
        0x1D443 => array(0x70),
        0x1D444 => array(0x71),
        0x1D445 => array(0x72),
        0x1D446 => array(0x73),
        0x1D447 => array(0x74),
        0x1D448 => array(0x75),
        0x1D449 => array(0x76),
        0x1D44A => array(0x77),
        0x1D44B => array(0x78),
        0x1D44C => array(0x79),
        0x1D44D => array(0x7A),
        0x1D468 => array(0x61),
        0x1D469 => array(0x62),
        0x1D46A => array(0x63),
        0x1D46B => array(0x64),
        0x1D46C => array(0x65),
        0x1D46D => array(0x66),
        0x1D46E => array(0x67),
        0x1D46F => array(0x68),
        0x1D470 => array(0x69),
        0x1D471 => array(0x6A),
        0x1D472 => array(0x6B),
        0x1D473 => array(0x6C),
        0x1D474 => array(0x6D),
        0x1D475 => array(0x6E),
        0x1D476 => array(0x6F),
        0x1D477 => array(0x70),
        0x1D478 => array(0x71),
        0x1D479 => array(0x72),
        0x1D47A => array(0x73),
        0x1D47B => array(0x74),
        0x1D47C => array(0x75),
        0x1D47D => array(0x76),
        0x1D47E => array(0x77),
        0x1D47F => array(0x78),
        0x1D480 => array(0x79),
        0x1D481 => array(0x7A),
        0x1D49C => array(0x61),
        0x1D49E => array(0x63),
        0x1D49F => array(0x64),
        0x1D4A2 => array(0x67),
        0x1D4A5 => array(0x6A),
        0x1D4A6 => array(0x6B),
        0x1D4A9 => array(0x6E),
        0x1D4AA => array(0x6F),
        0x1D4AB => array(0x70),
        0x1D4AC => array(0x71),
        0x1D4AE => array(0x73),
        0x1D4AF => array(0x74),
        0x1D4B0 => array(0x75),
        0x1D4B1 => array(0x76),
        0x1D4B2 => array(0x77),
        0x1D4B3 => array(0x78),
        0x1D4B4 => array(0x79),
        0x1D4B5 => array(0x7A),
        0x1D4D0 => array(0x61),
        0x1D4D1 => array(0x62),
        0x1D4D2 => array(0x63),
        0x1D4D3 => array(0x64),
        0x1D4D4 => array(0x65),
        0x1D4D5 => array(0x66),
        0x1D4D6 => array(0x67),
        0x1D4D7 => array(0x68),
        0x1D4D8 => array(0x69),
        0x1D4D9 => array(0x6A),
        0x1D4DA => array(0x6B),
        0x1D4DB => array(0x6C),
        0x1D4DC => array(0x6D),
        0x1D4DD => array(0x6E),
        0x1D4DE => array(0x6F),
        0x1D4DF => array(0x70),
        0x1D4E0 => array(0x71),
        0x1D4E1 => array(0x72),
        0x1D4E2 => array(0x73),
        0x1D4E3 => array(0x74),
        0x1D4E4 => array(0x75),
        0x1D4E5 => array(0x76),
        0x1D4E6 => array(0x77),
        0x1D4E7 => array(0x78),
        0x1D4E8 => array(0x79),
        0x1D4E9 => array(0x7A),
        0x1D504 => array(0x61),
        0x1D505 => array(0x62),
        0x1D507 => array(0x64),
        0x1D508 => array(0x65),
        0x1D509 => array(0x66),
        0x1D50A => array(0x67),
        0x1D50D => array(0x6A),
        0x1D50E => array(0x6B),
        0x1D50F => array(0x6C),
        0x1D510 => array(0x6D),
        0x1D511 => array(0x6E),
        0x1D512 => array(0x6F),
        0x1D513 => array(0x70),
        0x1D514 => array(0x71),
        0x1D516 => array(0x73),
        0x1D517 => array(0x74),
        0x1D518 => array(0x75),
        0x1D519 => array(0x76),
        0x1D51A => array(0x77),
        0x1D51B => array(0x78),
        0x1D51C => array(0x79),
        0x1D538 => array(0x61),
        0x1D539 => array(0x62),
        0x1D53B => array(0x64),
        0x1D53C => array(0x65),
        0x1D53D => array(0x66),
        0x1D53E => array(0x67),
        0x1D540 => array(0x69),
        0x1D541 => array(0x6A),
        0x1D542 => array(0x6B),
        0x1D543 => array(0x6C),
        0x1D544 => array(0x6D),
        0x1D546 => array(0x6F),
        0x1D54A => array(0x73),
        0x1D54B => array(0x74),
        0x1D54C => array(0x75),
        0x1D54D => array(0x76),
        0x1D54E => array(0x77),
        0x1D54F => array(0x78),
        0x1D550 => array(0x79),
        0x1D56C => array(0x61),
        0x1D56D => array(0x62),
        0x1D56E => array(0x63),
        0x1D56F => array(0x64),
        0x1D570 => array(0x65),
        0x1D571 => array(0x66),
        0x1D572 => array(0x67),
        0x1D573 => array(0x68),
        0x1D574 => array(0x69),
        0x1D575 => array(0x6A),
        0x1D576 => array(0x6B),
        0x1D577 => array(0x6C),
        0x1D578 => array(0x6D),
        0x1D579 => array(0x6E),
        0x1D57A => array(0x6F),
        0x1D57B => array(0x70),
        0x1D57C => array(0x71),
        0x1D57D => array(0x72),
        0x1D57E => array(0x73),
        0x1D57F => array(0x74),
        0x1D580 => array(0x75),
        0x1D581 => array(0x76),
        0x1D582 => array(0x77),
        0x1D583 => array(0x78),
        0x1D584 => array(0x79),
        0x1D585 => array(0x7A),
        0x1D5A0 => array(0x61),
        0x1D5A1 => array(0x62),
        0x1D5A2 => array(0x63),
        0x1D5A3 => array(0x64),
        0x1D5A4 => array(0x65),
        0x1D5A5 => array(0x66),
        0x1D5A6 => array(0x67),
        0x1D5A7 => array(0x68),
        0x1D5A8 => array(0x69),
        0x1D5A9 => array(0x6A),
        0x1D5AA => array(0x6B),
        0x1D5AB => array(0x6C),
        0x1D5AC => array(0x6D),
        0x1D5AD => array(0x6E),
        0x1D5AE => array(0x6F),
        0x1D5AF => array(0x70),
        0x1D5B0 => array(0x71),
        0x1D5B1 => array(0x72),
        0x1D5B2 => array(0x73),
        0x1D5B3 => array(0x74),
        0x1D5B4 => array(0x75),
        0x1D5B5 => array(0x76),
        0x1D5B6 => array(0x77),
        0x1D5B7 => array(0x78),
        0x1D5B8 => array(0x79),
        0x1D5B9 => array(0x7A),
        0x1D5D4 => array(0x61),
        0x1D5D5 => array(0x62),
        0x1D5D6 => array(0x63),
        0x1D5D7 => array(0x64),
        0x1D5D8 => array(0x65),
        0x1D5D9 => array(0x66),
        0x1D5DA => array(0x67),
        0x1D5DB => array(0x68),
        0x1D5DC => array(0x69),
        0x1D5DD => array(0x6A),
        0x1D5DE => array(0x6B),
        0x1D5DF => array(0x6C),
        0x1D5E0 => array(0x6D),
        0x1D5E1 => array(0x6E),
        0x1D5E2 => array(0x6F),
        0x1D5E3 => array(0x70),
        0x1D5E4 => array(0x71),
        0x1D5E5 => array(0x72),
        0x1D5E6 => array(0x73),
        0x1D5E7 => array(0x74),
        0x1D5E8 => array(0x75),
        0x1D5E9 => array(0x76),
        0x1D5EA => array(0x77),
        0x1D5EB => array(0x78),
        0x1D5EC => array(0x79),
        0x1D5ED => array(0x7A),
        0x1D608 => array(0x61),
        0x1D609 => array(0x62),
        0x1D60A => array(0x63),
        0x1D60B => array(0x64),
        0x1D60C => array(0x65),
        0x1D60D => array(0x66),
        0x1D60E => array(0x67),
        0x1D60F => array(0x68),
        0x1D610 => array(0x69),
        0x1D611 => array(0x6A),
        0x1D612 => array(0x6B),
        0x1D613 => array(0x6C),
        0x1D614 => array(0x6D),
        0x1D615 => array(0x6E),
        0x1D616 => array(0x6F),
        0x1D617 => array(0x70),
        0x1D618 => array(0x71),
        0x1D619 => array(0x72),
        0x1D61A => array(0x73),
        0x1D61B => array(0x74),
        0x1D61C => array(0x75),
        0x1D61D => array(0x76),
        0x1D61E => array(0x77),
        0x1D61F => array(0x78),
        0x1D620 => array(0x79),
        0x1D621 => array(0x7A),
        0x1D63C => array(0x61),
        0x1D63D => array(0x62),
        0x1D63E => array(0x63),
        0x1D63F => array(0x64),
        0x1D640 => array(0x65),
        0x1D641 => array(0x66),
        0x1D642 => array(0x67),
        0x1D643 => array(0x68),
        0x1D644 => array(0x69),
        0x1D645 => array(0x6A),
        0x1D646 => array(0x6B),
        0x1D647 => array(0x6C),
        0x1D648 => array(0x6D),
        0x1D649 => array(0x6E),
        0x1D64A => array(0x6F),
        0x1D64B => array(0x70),
        0x1D64C => array(0x71),
        0x1D64D => array(0x72),
        0x1D64E => array(0x73),
        0x1D64F => array(0x74),
        0x1D650 => array(0x75),
        0x1D651 => array(0x76),
        0x1D652 => array(0x77),
        0x1D653 => array(0x78),
        0x1D654 => array(0x79),
        0x1D655 => array(0x7A),
        0x1D670 => array(0x61),
        0x1D671 => array(0x62),
        0x1D672 => array(0x63),
        0x1D673 => array(0x64),
        0x1D674 => array(0x65),
        0x1D675 => array(0x66),
        0x1D676 => array(0x67),
        0x1D677 => array(0x68),
        0x1D678 => array(0x69),
        0x1D679 => array(0x6A),
        0x1D67A => array(0x6B),
        0x1D67B => array(0x6C),
        0x1D67C => array(0x6D),
        0x1D67D => array(0x6E),
        0x1D67E => array(0x6F),
        0x1D67F => array(0x70),
        0x1D680 => array(0x71),
        0x1D681 => array(0x72),
        0x1D682 => array(0x73),
        0x1D683 => array(0x74),
        0x1D684 => array(0x75),
        0x1D685 => array(0x76),
        0x1D686 => array(0x77),
        0x1D687 => array(0x78),
        0x1D688 => array(0x79),
        0x1D689 => array(0x7A),
        0x1D6A8 => array(0x3B1),
        0x1D6A9 => array(0x3B2),
        0x1D6AA => array(0x3B3),
        0x1D6AB => array(0x3B4),
        0x1D6AC => array(0x3B5),
        0x1D6AD => array(0x3B6),
        0x1D6AE => array(0x3B7),
        0x1D6AF => array(0x3B8),
        0x1D6B0 => array(0x3B9),
        0x1D6B1 => array(0x3BA),
        0x1D6B2 => array(0x3BB),
        0x1D6B3 => array(0x3BC),
        0x1D6B4 => array(0x3BD),
        0x1D6B5 => array(0x3BE),
        0x1D6B6 => array(0x3BF),
        0x1D6B7 => array(0x3C0),
        0x1D6B8 => array(0x3C1),
        0x1D6B9 => array(0x3B8),
        0x1D6BA => array(0x3C3),
        0x1D6BB => array(0x3C4),
        0x1D6BC => array(0x3C5),
        0x1D6BD => array(0x3C6),
        0x1D6BE => array(0x3C7),
        0x1D6BF => array(0x3C8),
        0x1D6C0 => array(0x3C9),
        0x1D6D3 => array(0x3C3),
        0x1D6E2 => array(0x3B1),
        0x1D6E3 => array(0x3B2),
        0x1D6E4 => array(0x3B3),
        0x1D6E5 => array(0x3B4),
        0x1D6E6 => array(0x3B5),
        0x1D6E7 => array(0x3B6),
        0x1D6E8 => array(0x3B7),
        0x1D6E9 => array(0x3B8),
        0x1D6EA => array(0x3B9),
        0x1D6EB => array(0x3BA),
        0x1D6EC => array(0x3BB),
        0x1D6ED => array(0x3BC),
        0x1D6EE => array(0x3BD),
        0x1D6EF => array(0x3BE),
        0x1D6F0 => array(0x3BF),
        0x1D6F1 => array(0x3C0),
        0x1D6F2 => array(0x3C1),
        0x1D6F3 => array(0x3B8),
        0x1D6F4 => array(0x3C3),
        0x1D6F5 => array(0x3C4),
        0x1D6F6 => array(0x3C5),
        0x1D6F7 => array(0x3C6),
        0x1D6F8 => array(0x3C7),
        0x1D6F9 => array(0x3C8),
        0x1D6FA => array(0x3C9),
        0x1D70D => array(0x3C3),
        0x1D71C => array(0x3B1),
        0x1D71D => array(0x3B2),
        0x1D71E => array(0x3B3),
        0x1D71F => array(0x3B4),
        0x1D720 => array(0x3B5),
        0x1D721 => array(0x3B6),
        0x1D722 => array(0x3B7),
        0x1D723 => array(0x3B8),
        0x1D724 => array(0x3B9),
        0x1D725 => array(0x3BA),
        0x1D726 => array(0x3BB),
        0x1D727 => array(0x3BC),
        0x1D728 => array(0x3BD),
        0x1D729 => array(0x3BE),
        0x1D72A => array(0x3BF),
        0x1D72B => array(0x3C0),
        0x1D72C => array(0x3C1),
        0x1D72D => array(0x3B8),
        0x1D72E => array(0x3C3),
        0x1D72F => array(0x3C4),
        0x1D730 => array(0x3C5),
        0x1D731 => array(0x3C6),
        0x1D732 => array(0x3C7),
        0x1D733 => array(0x3C8),
        0x1D734 => array(0x3C9),
        0x1D747 => array(0x3C3),
        0x1D756 => array(0x3B1),
        0x1D757 => array(0x3B2),
        0x1D758 => array(0x3B3),
        0x1D759 => array(0x3B4),
        0x1D75A => array(0x3B5),
        0x1D75B => array(0x3B6),
        0x1D75C => array(0x3B7),
        0x1D75D => array(0x3B8),
        0x1D75E => array(0x3B9),
        0x1D75F => array(0x3BA),
        0x1D760 => array(0x3BB),
        0x1D761 => array(0x3BC),
        0x1D762 => array(0x3BD),
        0x1D763 => array(0x3BE),
        0x1D764 => array(0x3BF),
        0x1D765 => array(0x3C0),
        0x1D766 => array(0x3C1),
        0x1D767 => array(0x3B8),
        0x1D768 => array(0x3C3),
        0x1D769 => array(0x3C4),
        0x1D76A => array(0x3C5),
        0x1D76B => array(0x3C6),
        0x1D76C => array(0x3C7),
        0x1D76D => array(0x3C8),
        0x1D76E => array(0x3C9),
        0x1D781 => array(0x3C3),
        0x1D790 => array(0x3B1),
        0x1D791 => array(0x3B2),
        0x1D792 => array(0x3B3),
        0x1D793 => array(0x3B4),
        0x1D794 => array(0x3B5),
        0x1D795 => array(0x3B6),
        0x1D796 => array(0x3B7),
        0x1D797 => array(0x3B8),
        0x1D798 => array(0x3B9),
        0x1D799 => array(0x3BA),
        0x1D79A => array(0x3BB),
        0x1D79B => array(0x3BC),
        0x1D79C => array(0x3BD),
        0x1D79D => array(0x3BE),
        0x1D79E => array(0x3BF),
        0x1D79F => array(0x3C0),
        0x1D7A0 => array(0x3C1),
        0x1D7A1 => array(0x3B8),
        0x1D7A2 => array(0x3C3),
        0x1D7A3 => array(0x3C4),
        0x1D7A4 => array(0x3C5),
        0x1D7A5 => array(0x3C6),
        0x1D7A6 => array(0x3C7),
        0x1D7A7 => array(0x3C8),
        0x1D7A8 => array(0x3C9),
        0x1D7BB => array(0x3C3),
        0x3F9   => array(0x3C3),
        0x1D2C  => array(0x61),
        0x1D2D  => array(0xE6),
        0x1D2E  => array(0x62),
        0x1D30  => array(0x64),
        0x1D31  => array(0x65),
        0x1D32  => array(0x1DD),
        0x1D33  => array(0x67),
        0x1D34  => array(0x68),
        0x1D35  => array(0x69),
        0x1D36  => array(0x6A),
        0x1D37  => array(0x6B),
        0x1D38  => array(0x6C),
        0x1D39  => array(0x6D),
        0x1D3A  => array(0x6E),
        0x1D3C  => array(0x6F),
        0x1D3D  => array(0x223),
        0x1D3E  => array(0x70),
        0x1D3F  => array(0x72),
        0x1D40  => array(0x74),
        0x1D41  => array(0x75),
        0x1D42  => array(0x77),
        0x213B  => array(0x66, 0x61, 0x78),
        0x3250  => array(0x70, 0x74, 0x65),
        0x32CC  => array(0x68, 0x67),
        0x32CE  => array(0x65, 0x76),
        0x32CF  => array(0x6C, 0x74, 0x64),
        0x337A  => array(0x69, 0x75),
        0x33DE  => array(0x76, 0x2215, 0x6D),
        0x33DF  => array(0x61, 0x2215, 0x6D)
    );

/**
     * Normalization Combining Classes; Code Points not listed
     * got Combining Class 0.
     *
     * @static
     * @var array
     * @access private
     */
    private static $_np_norm_combcls = array(
        0x334   => 1,
        0x335   => 1,
        0x336   => 1,
        0x337   => 1,
        0x338   => 1,
        0x93C   => 7,
        0x9BC   => 7,
        0xA3C   => 7,
        0xABC   => 7,
        0xB3C   => 7,
        0xCBC   => 7,
        0x1037  => 7,
        0x3099  => 8,
        0x309A  => 8,
        0x94D   => 9,
        0x9CD   => 9,
        0xA4D   => 9,
        0xACD   => 9,
        0xB4D   => 9,
        0xBCD   => 9,
        0xC4D   => 9,
        0xCCD   => 9,
        0xD4D   => 9,
        0xDCA   => 9,
        0xE3A   => 9,
        0xF84   => 9,
        0x1039  => 9,
        0x1714  => 9,
        0x1734  => 9,
        0x17D2  => 9,
        0x5B0   => 10,
        0x5B1   => 11,
        0x5B2   => 12,
        0x5B3   => 13,
        0x5B4   => 14,
        0x5B5   => 15,
        0x5B6   => 16,
        0x5B7   => 17,
        0x5B8   => 18,
        0x5B9   => 19,
        0x5BB   => 20,
        0x5Bc   => 21,
        0x5BD   => 22,
        0x5BF   => 23,
        0x5C1   => 24,
        0x5C2   => 25,
        0xFB1E  => 26,
        0x64B   => 27,
        0x64C   => 28,
        0x64D   => 29,
        0x64E   => 30,
        0x64F   => 31,
        0x650   => 32,
        0x651   => 33,
        0x652   => 34,
        0x670   => 35,
        0x711   => 36,
        0xC55   => 84,
        0xC56   => 91,
        0xE38   => 103,
        0xE39   => 103,
        0xE48   => 107,
        0xE49   => 107,
        0xE4A   => 107,
        0xE4B   => 107,
        0xEB8   => 118,
        0xEB9   => 118,
        0xEC8   => 122,
        0xEC9   => 122,
        0xECA   => 122,
        0xECB   => 122,
        0xF71   => 129,
        0xF72   => 130,
        0xF7A   => 130,
        0xF7B   => 130,
        0xF7C   => 130,
        0xF7D   => 130,
        0xF80   => 130,
        0xF74   => 132,
        0x321   => 202,
        0x322   => 202,
        0x327   => 202,
        0x328   => 202,
        0x31B   => 216,
        0xF39   => 216,
        0x1D165 => 216,
        0x1D166 => 216,
        0x1D16E => 216,
        0x1D16F => 216,
        0x1D170 => 216,
        0x1D171 => 216,
        0x1D172 => 216,
        0x302A  => 218,
        0x316   => 220,
        0x317   => 220,
        0x318   => 220,
        0x319   => 220,
        0x31C   => 220,
        0x31D   => 220,
        0x31E   => 220,
        0x31F   => 220,
        0x320   => 220,
        0x323   => 220,
        0x324   => 220,
        0x325   => 220,
        0x326   => 220,
        0x329   => 220,
        0x32A   => 220,
        0x32B   => 220,
        0x32C   => 220,
        0x32D   => 220,
        0x32E   => 220,
        0x32F   => 220,
        0x330   => 220,
        0x331   => 220,
        0x332   => 220,
        0x333   => 220,
        0x339   => 220,
        0x33A   => 220,
        0x33B   => 220,
        0x33C   => 220,
        0x347   => 220,
        0x348   => 220,
        0x349   => 220,
        0x34D   => 220,
        0x34E   => 220,
        0x353   => 220,
        0x354   => 220,
        0x355   => 220,
        0x356   => 220,
        0x591   => 220,
        0x596   => 220,
        0x59B   => 220,
        0x5A3   => 220,
        0x5A4   => 220,
        0x5A5   => 220,
        0x5A6   => 220,
        0x5A7   => 220,
        0x5AA   => 220,
        0x655   => 220,
        0x656   => 220,
        0x6E3   => 220,
        0x6EA   => 220,
        0x6ED   => 220,
        0x731   => 220,
        0x734   => 220,
        0x737   => 220,
        0x738   => 220,
        0x739   => 220,
        0x73B   => 220,
        0x73C   => 220,
        0x73E   => 220,
        0x742   => 220,
        0x744   => 220,
        0x746   => 220,
        0x748   => 220,
        0x952   => 220,
        0xF18   => 220,
        0xF19   => 220,
        0xF35   => 220,
        0xF37   => 220,
        0xFC6   => 220,
        0x193B  => 220,
        0x20E8  => 220,
        0x1D17B => 220,
        0x1D17C => 220,
        0x1D17D => 220,
        0x1D17E => 220,
        0x1D17F => 220,
        0x1D180 => 220,
        0x1D181 => 220,
        0x1D182 => 220,
        0x1D18A => 220,
        0x1D18B => 220,
        0x59A   => 222,
        0x5AD   => 222,
        0x1929  => 222,
        0x302D  => 222,
        0x302E  => 224,
        0x302F  => 224,
        0x1D16D => 226,
        0x5AE   => 228,
        0x18A9  => 228,
        0x302B  => 228,
        0x300   => 230,
        0x301   => 230,
        0x302   => 230,
        0x303   => 230,
        0x304   => 230,
        0x305   => 230,
        0x306   => 230,
        0x307   => 230,
        0x308   => 230,
        0x309   => 230,
        0x30A   => 230,
        0x30B   => 230,
        0x30C   => 230,
        0x30D   => 230,
        0x30E   => 230,
        0x30F   => 230,
        0x310   => 230,
        0x311   => 230,
        0x312   => 230,
        0x313   => 230,
        0x314   => 230,
        0x33D   => 230,
        0x33E   => 230,
        0x33F   => 230,
        0x340   => 230,
        0x341   => 230,
        0x342   => 230,
        0x343   => 230,
        0x344   => 230,
        0x346   => 230,
        0x34A   => 230,
        0x34B   => 230,
        0x34C   => 230,
        0x350   => 230,
        0x351   => 230,
        0x352   => 230,
        0x357   => 230,
        0x363   => 230,
        0x364   => 230,
        0x365   => 230,
        0x366   => 230,
        0x367   => 230,
        0x368   => 230,
        0x369   => 230,
        0x36A   => 230,
        0x36B   => 230,
        0x36C   => 230,
        0x36D   => 230,
        0x36E   => 230,
        0x36F   => 230,
        0x483   => 230,
        0x484   => 230,
        0x485   => 230,
        0x486   => 230,
        0x592   => 230,
        0x593   => 230,
        0x594   => 230,
        0x595   => 230,
        0x597   => 230,
        0x598   => 230,
        0x599   => 230,
        0x59C   => 230,
        0x59D   => 230,
        0x59E   => 230,
        0x59F   => 230,
        0x5A0   => 230,
        0x5A1   => 230,
        0x5A8   => 230,
        0x5A9   => 230,
        0x5AB   => 230,
        0x5AC   => 230,
        0x5AF   => 230,
        0x5C4   => 230,
        0x610   => 230,
        0x611   => 230,
        0x612   => 230,
        0x613   => 230,
        0x614   => 230,
        0x615   => 230,
        0x653   => 230,
        0x654   => 230,
        0x657   => 230,
        0x658   => 230,
        0x6D6   => 230,
        0x6D7   => 230,
        0x6D8   => 230,
        0x6D9   => 230,
        0x6DA   => 230,
        0x6DB   => 230,
        0x6DC   => 230,
        0x6DF   => 230,
        0x6E0   => 230,
        0x6E1   => 230,
        0x6E2   => 230,
        0x6E4   => 230,
        0x6E7   => 230,
        0x6E8   => 230,
        0x6EB   => 230,
        0x6EC   => 230,
        0x730   => 230,
        0x732   => 230,
        0x733   => 230,
        0x735   => 230,
        0x736   => 230,
        0x73A   => 230,
        0x73D   => 230,
        0x73F   => 230,
        0x740   => 230,
        0x741   => 230,
        0x743   => 230,
        0x745   => 230,
        0x747   => 230,
        0x749   => 230,
        0x74A   => 230,
        0x951   => 230,
        0x953   => 230,
        0x954   => 230,
        0xF82   => 230,
        0xF83   => 230,
        0xF86   => 230,
        0xF87   => 230,
        0x170D  => 230,
        0x193A  => 230,
        0x20D0  => 230,
        0x20D1  => 230,
        0x20D4  => 230,
        0x20D5  => 230,
        0x20D6  => 230,
        0x20D7  => 230,
        0x20DB  => 230,
        0x20DC  => 230,
        0x20E1  => 230,
        0x20E7  => 230,
        0x20E9  => 230,
        0xFE20  => 230,
        0xFE21  => 230,
        0xFE22  => 230,
        0xFE23  => 230,
        0x1D185 => 230,
        0x1D186 => 230,
        0x1D187 => 230,
        0x1D189 => 230,
        0x1D188 => 230,
        0x1D1AA => 230,
        0x1D1AB => 230,
        0x1D1AC => 230,
        0x1D1AD => 230,
        0x315   => 232,
        0x31A   => 232,
        0x302C  => 232,
        0x35F   => 233,
        0x362   => 233,
        0x35D   => 234,
        0x35E   => 234,
        0x360   => 234,
        0x361   => 234,
        0x345   => 240
    );
    // }}}

// {{{ properties
    /**
     * @var string
     * @access private
     */
    private $_punycode_prefix = 'xn--';

/**
     * @access private
     */
    private $_invalid_ucs = 0x80000000;

/**
     * @access private
     */
    private $_max_ucs = 0x10FFFF;

/**
     * @var int
     * @access private
     */
    private $_base = 36;

/**
     * @var int
     * @access private
     */
    private $_tmin = 1;

/**
     * @var int
     * @access private
     */
    private $_tmax = 26;

/**
     * @var int
     * @access private
     */
    private $_skew = 38;

/**
     * @var int
     * @access private
     */
    private $_damp = 700;

/**
     * @var int
     * @access private
     */
    private $_initial_bias = 72;

/**
     * @var int
     * @access private
     */
    private $_initial_n = 0x80;

/**
     * @var int
     * @access private
     */
    private $_slast;

/**
     * @access private
     */
    private $_sbase = 0xAC00;

/**
     * @access private
     */
    private $_lbase = 0x1100;

/**
     * @access private
     */
    private $_vbase = 0x1161;

/**
     * @access private
     */
    private $_tbase = 0x11a7;

/**
     * @var int
     * @access private
     */
    private $_lcount = 19;

/**
     * @var int
     * @access private
     */
    private $_vcount = 21;

/**
     * @var int
     * @access private
     */
    private $_tcount = 28;

/**
     * vcount * tcount
     *
     * @var int
     * @access private
     */
    private $_ncount = 588;

/**
     * lcount * tcount * vcount
     *
     * @var int
     * @access private
     */
    private $_scount = 11172;

/**
     * Default encoding for encode()'s input and decode()'s output is UTF-8;
     * Other possible encodings are ucs4_string and ucs4_array
     * See {@link setParams()} for how to select these
     *
     * @var bool
     * @access private
     */
    private $_api_encoding = 'utf8';

/**
     * Overlong UTF-8 encodings are forbidden
     *
     * @var bool
     * @access private
     */
    private $_allow_overlong = false;

/**
     * Behave strict or not
     *
     * @var bool
     * @access private
     */
    private $_strict_mode = false;

/**
     * IDNA-version to use
     *
     * Values are "2003" and "2008".
     * Defaults to "2003", since that was the original version and for
     * compatibility with previous versions of this library.
     * If you need to encode "new" characters like the German "Eszett",
     * please switch to 2008 first before encoding.
     *
     * @var bool
     * @access private
     */
    private $_version = '2003';

/**
     * Cached value indicating whether or not mbstring function overloading is
     * on for strlen
     *
     * This is cached for optimal performance.
     *
     * @var boolean
     * @see Net_IDNA2::_byteLength()
     */
    private static $_mb_string_overload = null;
    // }}}

// {{{ constructor
    /**
     * Constructor
     *
     * @param array $options Options to initialise the object with
     *
     * @access public
     * @see    setParams()
     */
    public function __construct($options = null)
    {
        $this->_slast = $this->_sbase + $this->_lcount * $this->_vcount * $this->_tcount;

if (is_array($options)) {
            $this->setParams($options);
        }

// populate mbstring overloading cache if not set
        if (self::$_mb_string_overload === null) {
            self::$_mb_string_overload = (extension_loaded('mbstring')
                && (ini_get('mbstring.func_overload') & 0x02) === 0x02);
        }
    }
    // }}}

/**
     * Sets a new option value. Available options and values:
     *
     * [utf8 -     Use either UTF-8 or ISO-8859-1 as input (true for UTF-8, false
     *             otherwise); The output is always UTF-8]
     * [overlong - Unicode does not allow unnecessarily long encodings of chars,
     *             to allow this, set this parameter to true, else to false;
     *             default is false.]
     * [strict -   true: strict mode, good for registration purposes - Causes errors
     *             on failures; false: loose mode, ideal for "wildlife" applications
     *             by silently ignoring errors and returning the original input instead]
     *
     * @param mixed  $option Parameter to set (string: single parameter; array of Parameter => Value pairs)
     * @param string $value  Value to use (if parameter 1 is a string)
     *
     * @return boolean       true on success, false otherwise
     * @access public
     */
    public function setParams($option, $value = false)
    {
        if (!is_array($option)) {
            $option = array($option => $value);
        }

foreach ($option as $k => $v) {
            switch ($k) {
            case 'encoding':
                switch ($v) {
                case 'utf8':
                case 'ucs4_string':
                case 'ucs4_array':
                    $this->_api_encoding = $v;
                    break;

default:
                    throw new InvalidArgumentException('Set Parameter: Unknown parameter '.$v.' for option '.$k);
                }

break;

case 'overlong':
                $this->_allow_overlong = ($v) ? true : false;
                break;

case 'strict':
                $this->_strict_mode = ($v) ? true : false;
                break;

case 'version':
                if (in_array($v, array('2003', '2008'))) {
                    $this->_version = $v;
                } else {
                    throw new InvalidArgumentException('Set Parameter: Invalid parameter '.$v.' for option '.$k);
                }
                break;

default:
                return false;
            }
        }

return true;
    }

/**
     * Encode a given UTF-8 domain name.
     *
     * @param string $decoded           Domain name (UTF-8 or UCS-4)
     * @param string $one_time_encoding Desired input encoding, see {@link set_parameter}
     *                                  If not given will use default-encoding
     *
     * @return string Encoded Domain name (ACE string)
     * @return mixed  processed string
     * @throws Exception
     * @access public
     */
    public function encode($decoded, $one_time_encoding = false)
    {
        // Forcing conversion of input to UCS4 array
        // If one time encoding is given, use this, else the objects property
        switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) {
        case 'utf8':
            $decoded = $this->_utf8_to_ucs4($decoded);
            break;
        case 'ucs4_string':
            $decoded = $this->_ucs4_string_to_ucs4($decoded);
        case 'ucs4_array': // No break; before this line. Catch case, but do nothing
            break;
        default:
            throw new InvalidArgumentException('Unsupported input format');
        }

// No input, no output, what else did you expect?
        if (empty($decoded)) return '';

// Anchors for iteration
        $last_begin = 0;
        // Output string
        $output = '';

foreach ($decoded as $k => $v) {
            // Make sure to use just the plain dot
            switch($v) {
            case 0x3002:
            case 0xFF0E:
            case 0xFF61:
                $decoded[$k] = 0x2E;
                // It's right, no break here
                // The codepoints above have to be converted to dots anyway

// Stumbling across an anchoring character
            case 0x2E:
            case 0x2F:
            case 0x3A:
            case 0x3F:
            case 0x40:
                // Neither email addresses nor URLs allowed in strict mode
                if ($this->_strict_mode) {
                    throw new InvalidArgumentException('Neither email addresses nor URLs are allowed in strict mode.');
                }
                // Skip first char
                if ($k) {
                    $encoded = '';
                    $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin)));
                    if ($encoded) {
                        $output .= $encoded;
                    } else {
                        $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin)));
                    }
                    $output .= chr($decoded[$k]);
                }
                $last_begin = $k + 1;
            }
        }
        // Catch the rest of the string
        if ($last_begin) {
            $inp_len = sizeof($decoded);
            $encoded = '';
            $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin)));
            if ($encoded) {
                $output .= $encoded;
            } else {
                $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin)));
            }
            return $output;
        }

if ($output = $this->_encode($decoded)) {
            return $output;
        }

return $this->_ucs4_to_utf8($decoded);
    }

/**
     * Decode a given ACE domain name.
     *
     * @param string $input             Domain name (ACE string)
     * @param string $one_time_encoding Desired output encoding, see {@link set_parameter}
     *
     * @return string                   Decoded Domain name (UTF-8 or UCS-4)
     * @throws Exception
     * @access public
     */
    public function decode($input, $one_time_encoding = false)
    {
        // Optionally set
        if ($one_time_encoding) {
            switch ($one_time_encoding) {
            case 'utf8':
            case 'ucs4_string':
            case 'ucs4_array':
                break;
            default:
                throw new InvalidArgumentException('Unknown encoding '.$one_time_encoding);
            }
        }
        // Make sure to drop any newline characters around
        $input = trim($input);

// Negotiate input and try to determine, wether it is a plain string,
        // an email address or something like a complete URL
        if (strpos($input, '@')) { // Maybe it is an email address
            // No no in strict mode
            if ($this->_strict_mode) {
                throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode');
            }
            list($email_pref, $input) = explode('@', $input, 2);
            $arr = explode('.', $input);
            foreach ($arr as $k => $v) {
                $conv = $this->_decode($v);
                if ($conv) $arr[$k] = $conv;
            }
            $return = $email_pref . '@' . join('.', $arr);
        } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters)
            // No no in strict mode
            if ($this->_strict_mode) {
                throw new InvalidArgumentException('Only simple domain name parts can be handled in strict mode');
            }

$parsed = parse_url($input);
            if (isset($parsed['host'])) {
                $arr = explode('.', $parsed['host']);
                foreach ($arr as $k => $v) {
                    $conv = $this->_decode($v);
                    if ($conv) $arr[$k] = $conv;
                }
                $parsed['host'] = join('.', $arr);
                if (isset($parsed['scheme'])) {
                    $parsed['scheme'] .= (strtolower($parsed['scheme']) == 'mailto') ? ':' : '://';
                }
                $return = $this->_unparse_url($parsed);
            } else { // parse_url seems to have failed, try without it
                $arr = explode('.', $input);
                foreach ($arr as $k => $v) {
                    $conv = $this->_decode($v);
                    if ($conv) $arr[$k] = $conv;
                }
                $return = join('.', $arr);
            }
        } else { // Otherwise we consider it being a pure domain name string
            $return = $this->_decode($input);
        }
        // The output is UTF-8 by default, other output formats need conversion here
        // If one time encoding is given, use this, else the objects property
        switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) {
        case 'utf8':
            return $return;
            break;
        case 'ucs4_string':
            return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return));
            break;
        case 'ucs4_array':
            return $this->_utf8_to_ucs4($return);
            break;
        default:
            throw new InvalidArgumentException('Unsupported output format');
        }
    }

// {{{ private
    /**
     * Opposite function to parse_url()
     *
     * Inspired by code from comments of php.net-documentation for parse_url()
     *
     * @param array $parts_arr parts (strings) as returned by parse_url()
     *
     * @return string
     * @access private
     */
    private function _unparse_url($parts_arr)
    {
        if (!empty($parts_arr['scheme'])) {
            $ret_url = $parts_arr['scheme'];
        }
        if (!empty($parts_arr['user'])) {
            $ret_url .= $parts_arr['user'];
            if (!empty($parts_arr['pass'])) {
                $ret_url .= ':' . $parts_arr['pass'];
            }
            $ret_url .= '@';
        }
        $ret_url .= $parts_arr['host'];
        if (!empty($parts_arr['port'])) {
            $ret_url .= ':' . $parts_arr['port'];
        }
        $ret_url .= $parts_arr['path'];
        if (!empty($parts_arr['query'])) {
            $ret_url .= '?' . $parts_arr['query'];
        }
        if (!empty($parts_arr['fragment'])) {
            $ret_url .= '#' . $parts_arr['fragment'];
        }
        return $ret_url;
    }

/**
     * The actual encoding algorithm.
     *
     * @param string $decoded Decoded string which should be encoded
     *
     * @return string         Encoded string
     * @throws Exception
     * @access private
     */
    private function _encode($decoded)
    {
        // We cannot encode a domain name containing the Punycode prefix
        $extract = self::_byteLength($this->_punycode_prefix);
        $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix);
        $check_deco = array_slice($decoded, 0, $extract);

if ($check_pref == $check_deco) {
            throw new InvalidArgumentException('This is already a punycode string');
        }

// We will not try to encode strings consisting of basic code points only
        $encodable = false;
        foreach ($decoded as $k => $v) {
            if ($v > 0x7a) {
                $encodable = true;
                break;
            }
        }
        if (!$encodable) {
            if ($this->_strict_mode) {
                throw new InvalidArgumentException('The given string does not contain encodable chars');
            }

return false;
        }

// Do NAMEPREP
        $decoded = $this->_nameprep($decoded);

$deco_len = count($decoded);

// Empty array
        if (!$deco_len) {
            return false;
        }

// How many chars have been consumed
        $codecount = 0;

// Start with the prefix; copy it to output
        $encoded = $this->_punycode_prefix;

$encoded = '';
        // Copy all basic code points to output
        for ($i = 0; $i < $deco_len; ++$i) {
            $test = $decoded[$i];
            // Will match [0-9a-zA-Z-]
            if ((0x2F < $test && $test < 0x40)
                || (0x40 < $test && $test < 0x5B)
                || (0x60 < $test && $test <= 0x7B)
                || (0x2D == $test)
            ) {
                $encoded .= chr($decoded[$i]);
                $codecount++;
            }
        }

// All codepoints were basic ones
        if ($codecount == $deco_len) {
            return $encoded;
        }

// Start with the prefix; copy it to output
        $encoded = $this->_punycode_prefix . $encoded;

// If we have basic code points in output, add an hyphen to the end
        if ($codecount) {
            $encoded .= '-';
        }

// Now find and encode all non-basic code points
        $is_first  = true;
        $cur_code  = $this->_initial_n;
        $bias      = $this->_initial_bias;
        $delta     = 0;

while ($codecount < $deco_len) {
            // Find the smallest code point >= the current code point and
            // remember the last ouccrence of it in the input
            for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) {
                if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) {
                    $next_code = $decoded[$i];
                }
            }

$delta += ($next_code - $cur_code) * ($codecount + 1);
            $cur_code = $next_code;

// Scan input again and encode all characters whose code point is $cur_code
            for ($i = 0; $i < $deco_len; $i++) {
                if ($decoded[$i] < $cur_code) {
                    $delta++;
                } else if ($decoded[$i] == $cur_code) {
                    for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) {
                        $t = ($k <= $bias)?
                            $this->_tmin :
                            (($k >= $bias + $this->_tmax)? $this->_tmax : $k - $bias);

if ($q < $t) {
                            break;
                        }

$encoded .= $this->_encodeDigit(ceil($t + (($q - $t) % ($this->_base - $t))));
                        $q = ($q - $t) / ($this->_base - $t);
                    }

$encoded .= $this->_encodeDigit($q);
                    $bias = $this->_adapt($delta, $codecount + 1, $is_first);
                    $codecount++;
                    $delta = 0;
                    $is_first = false;
                }
            }

$delta++;
            $cur_code++;
        }

return $encoded;
    }

/**
     * The actual decoding algorithm.
     *
     * @param string $encoded Encoded string which should be decoded
     *
     * @return string         Decoded string
     * @throws Exception
     * @access private
     */
    private function _decode($encoded)
    {
        // We do need to find the Punycode prefix
        if (!preg_match('!^' . preg_quote($this->_punycode_prefix, '!') . '!', $encoded)) {
            return false;
        }

$encode_test = preg_replace('!^' . preg_quote($this->_punycode_prefix, '!') . '!', '', $encoded);

// If nothing left after removing the prefix, it is hopeless
        if (!$encode_test) {
            return false;
        }

// Find last occurence of the delimiter
        $delim_pos = strrpos($encoded, '-');

if ($delim_pos > self::_byteLength($this->_punycode_prefix)) {
            for ($k = self::_byteLength($this->_punycode_prefix); $k < $delim_pos; ++$k) {
                $decoded[] = ord($encoded{$k});
            }
        } else {
            $decoded = array();
        }

$deco_len = count($decoded);
        $enco_len = self::_byteLength($encoded);

// Wandering through the strings; init
        $is_first = true;
        $bias     = $this->_initial_bias;
        $idx      = 0;
        $char     = $this->_initial_n;

for ($enco_idx = ($delim_pos)? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) {
            for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) {
                $digit = $this->_decodeDigit($encoded{$enco_idx++});
                $idx += $digit * $w;

$t = ($k <= $bias) ?
                    $this->_tmin :
                    (($k >= $bias + $this->_tmax)? $this->_tmax : ($k - $bias));

if ($digit < $t) {
                    break;
                }

$w = (int)($w * ($this->_base - $t));
            }

$bias      = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first);
            $is_first  = false;
            $char     += (int) ($idx / ($deco_len + 1));
            $idx      %= ($deco_len + 1);

if ($deco_len > 0) {
                // Make room for the decoded char
                for ($i = $deco_len; $i > $idx; $i--) {
                    $decoded[$i] = $decoded[($i - 1)];
                }
            }

$decoded[$idx++] = $char;
        }

return $this->_ucs4_to_utf8($decoded);
    }

/**
     * Adapt the bias according to the current code point and position.
     *
     * @param int     $delta    ...
     * @param int     $npoints  ...
     * @param boolean $is_first ...
     *
     * @return int
     * @access private
     */
    private function _adapt($delta, $npoints, $is_first)
    {
        $delta = (int) ($is_first ? ($delta / $this->_damp) : ($delta / 2));
        $delta += (int) ($delta / $npoints);

for ($k = 0; $delta > (($this->_base - $this->_tmin) * $this->_tmax) / 2; $k += $this->_base) {
            $delta = (int) ($delta / ($this->_base - $this->_tmin));
        }

return (int) ($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew));
    }

/**
     * Encoding a certain digit.
     *
     * @param int $d One digit to encode
     *
     * @return char  Encoded digit
     * @access private
     */
    private function _encodeDigit($d)
    {
        return chr($d + 22 + 75 * ($d < 26));
    }

/**
     * Decode a certain digit.
     *
     * @param char $cp One digit (character) to decode
     *
     * @return int     Decoded digit
     * @access private
     */
    private function _decodeDigit($cp)
    {
        $cp = ord($cp);
        return ($cp - 48 < 10)? $cp - 22 : (($cp - 65 < 26)? $cp - 65 : (($cp - 97 < 26)? $cp - 97 : $this->_base));
    }

/**
     * Do Nameprep according to RFC3491 and RFC3454.
     *
     * @param array $input Unicode Characters
     *
     * @return string      Unicode Characters, Nameprep'd
     * @throws Exception
     * @access private
     */
    private function _nameprep($input)
    {
        $output = array();

// Walking through the input array, performing the required steps on each of
        // the input chars and putting the result into the output array
        // While mapping required chars we apply the cannonical ordering

foreach ($input as $v) {
            // Map to nothing == skip that code point
            if (in_array($v, self::$_np_map_nothing)) {
                continue;
            }

// Try to find prohibited input
            if (in_array($v, self::$_np_prohibit) || in_array($v, self::$_general_prohibited)) {
                throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v));
            }

foreach (self::$_np_prohibit_ranges as $range) {
                if ($range[0] <= $v && $v <= $range[1]) {
                    throw new Net_IDNA2_Exception_Nameprep('Prohibited input U+' . sprintf('%08X', $v));
                }
            }

// Hangul syllable decomposition
            if (0xAC00 <= $v && $v <= 0xD7AF) {
                foreach ($this->_hangulDecompose($v) as $out) {
                    $output[] = $out;
                }
            } else if (($this->_version == '2003') && isset(self::$_np_replacemaps[$v])) {
                // There's a decomposition mapping for that code point
                // Decompositions only in version 2003 (original) of IDNA
                foreach ($this->_applyCannonicalOrdering(self::$_np_replacemaps[$v]) as $out) {
                    $output[] = $out;
                }
            } else {
                $output[] = $v;
            }
        }

// Combine code points

$last_class   = 0;
        $last_starter = 0;
        $out_len      = count($output);

for ($i = 0; $i < $out_len; ++$i) {
            $class = $this->_getCombiningClass($output[$i]);

if ((!$last_class || $last_class != $class) && $class) {
                // Try to match
                $seq_len = $i - $last_starter;
                $out = $this->_combine(array_slice($output, $last_starter, $seq_len));

// On match: Replace the last starter with the composed character and remove
                // the now redundant non-starter(s)
                if ($out) {
                    $output[$last_starter] = $out;

if (count($out) != $seq_len) {
                        for ($j = $i + 1; $j < $out_len; ++$j) {
                            $output[$j - 1] = $output[$j];
                        }

unset($output[$out_len]);
                    }

// Rewind the for loop by one, since there can be more possible compositions
                    $i--;
                    $out_len--;
                    $last_class = ($i == $last_starter)? 0 : $this->_getCombiningClass($output[$i - 1]);

continue;
                }
            }

// The current class is 0
            if (!$class) {
                $last_starter = $i;
            }

$last_class = $class;
        }

return $output;
    }

/**
     * Decomposes a Hangul syllable
     * (see http://www.unicode.org/unicode/reports/tr15/#Hangul).
     *
     * @param integer $char 32bit UCS4 code point
     *
     * @return array        Either Hangul Syllable decomposed or original 32bit
     *                      value as one value array
     * @access private
     */
    private function _hangulDecompose($char)
    {
        $sindex = $char - $this->_sbase;

if ($sindex < 0 || $sindex >= $this->_scount) {
            return array($char);
        }

$result   = array();
        $T        = $this->_tbase + $sindex % $this->_tcount;
        $result[] = (int)($this->_lbase +  $sindex / $this->_ncount);
        $result[] = (int)($this->_vbase + ($sindex % $this->_ncount) / $this->_tcount);

if ($T != $this->_tbase) {
            $result[] = $T;
        }

return $result;
    }

/**
     * Ccomposes a Hangul syllable
     * (see http://www.unicode.org/unicode/reports/tr15/#Hangul).
     *
     * @param array $input Decomposed UCS4 sequence
     *
     * @return array       UCS4 sequence with syllables composed
     * @access private
     */
    private function _hangulCompose($input)
    {
        $inp_len = count($input);

if (!$inp_len) {
            return array();
        }

$result   = array();
        $last     = $input[0];
        $result[] = $last; // copy first char from input to output

for ($i = 1; $i < $inp_len; ++$i) {
            $char = $input[$i];

// Find out, wether two current characters from L and V
            $lindex = $last - $this->_lbase;

if (0 <= $lindex && $lindex < $this->_lcount) {
                $vindex = $char - $this->_vbase;

if (0 <= $vindex && $vindex < $this->_vcount) {
                    // create syllable of form LV
                    $last    = ($this->_sbase + ($lindex * $this->_vcount + $vindex) * $this->_tcount);
                    $out_off = count($result) - 1;
                    $result[$out_off] = $last; // reset last

// discard char
                    continue;
                }
            }

// Find out, wether two current characters are LV and T
            $sindex = $last - $this->_sbase;

if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount) == 0) {
                $tindex = $char - $this->_tbase;

if (0 <= $tindex && $tindex <= $this->_tcount) {
                    // create syllable of form LVT
                    $last += $tindex;
                    $out_off = count($result) - 1;
                    $result[$out_off] = $last; // reset last

// discard char
                    continue;
                }
            }

// if neither case was true, just add the character
            $last = $char;
            $result[] = $char;
        }

return $result;
    }

/**
     * Returns the combining class of a certain wide char.
     *
     * @param integer $char Wide char to check (32bit integer)
     *
     * @return integer      Combining class if found, else 0
     * @access private
     */
    private function _getCombiningClass($char)
    {
        return isset(self::$_np_norm_combcls[$char])? self::$_np_norm_combcls[$char] : 0;
    }

/**
     * Apllies the cannonical ordering of a decomposed UCS4 sequence.
     *
     * @param array $input Decomposed UCS4 sequence
     *
     * @return array       Ordered USC4 sequence
     * @access private
     */
    private function _applyCannonicalOrdering($input)
    {
        $swap = true;
        $size = count($input);

while ($swap) {
            $swap = false;
            $last = $this->_getCombiningClass($input[0]);

for ($i = 0; $i < $size - 1; ++$i) {
                $next = $this->_getCombiningClass($input[$i + 1]);

if ($next != 0 && $last > $next) {
                    // Move item leftward until it fits
                    for ($j = $i + 1; $j > 0; --$j) {
                        if ($this->_getCombiningClass($input[$j - 1]) <= $next) {
                            break;
                        }

$t = $input[$j];
                        $input[$j] = $input[$j - 1];
                        $input[$j - 1] = $t;
                        $swap = 1;
                    }

// Reentering the loop looking at the old character again
                    $next = $last;
                }

$last = $next;
            }
        }

return $input;
    }

/**
     * Do composition of a sequence of starter and non-starter.
     *
     * @param array $input UCS4 Decomposed sequence
     *
     * @return array       Ordered USC4 sequence
     * @access private
     */
    private function _combine($input)
    {
        $inp_len = count($input);

// Is it a Hangul syllable?
        if (1 != $inp_len) {
            $hangul = $this->_hangulCompose($input);

// This place is probably wrong
            if (count($hangul) != $inp_len) {
                return $hangul;
            }
        }

foreach (self::$_np_replacemaps as $np_src => $np_target) {
            if ($np_target[0] != $input[0]) {
                continue;
            }

if (count($np_target) != $inp_len) {
                continue;
            }

$hit = false;

foreach ($input as $k2 => $v2) {
                if ($v2 == $np_target[$k2]) {
                    $hit = true;
                } else {
                    $hit = false;
                    break;
                }
            }

if ($hit) {
                return $np_src;
            }
        }

return false;
    }

/**
     * This converts an UTF-8 encoded string to its UCS-4 (array) representation
     * By talking about UCS-4 we mean arrays of 32bit integers representing
     * each of the "chars". This is due to PHP not being able to handle strings with
     * bit depth different from 8. This applies to the reverse method _ucs4_to_utf8(), too.
     * The following UTF-8 encodings are supported:
     *
     * bytes bits  representation
     * 1        7  0xxxxxxx
     * 2       11  110xxxxx 10xxxxxx
     * 3       16  1110xxxx 10xxxxxx 10xxxxxx
     * 4       21  11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
     * 5       26  111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
     * 6       31  1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
     *
     * Each x represents a bit that can be used to store character data.
     *
     * @param string $input utf8-encoded string
     *
     * @return array        ucs4-encoded array
     * @throws Exception
     * @access private
     */
    private function _utf8_to_ucs4($input)
    {
        $output = array();
        $out_len = 0;
        $inp_len = self::_byteLength($input, '8bit');
        $mode = 'next';
        $test = 'none';
        for ($k = 0; $k < $inp_len; ++$k) {
            $v = ord($input{$k}); // Extract byte from input string

if ($v < 128) { // We found an ASCII char - put into stirng as is
                $output[$out_len] = $v;
                ++$out_len;
                if ('add' == $mode) {
                    throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k);
                }
                continue;
            }
            if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char
                $start_byte = $v;
                $mode = 'add';
                $test = 'range';
                if ($v >> 5 == 6) { // &110xxxxx 10xxxxx
                    $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left
                    $v = ($v - 192) << 6;
                } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx
                    $next_byte = 1;
                    $v = ($v - 224) << 12;
                } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
                    $next_byte = 2;
                    $v = ($v - 240) << 18;
                } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
                    $next_byte = 3;
                    $v = ($v - 248) << 24;
                } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx
                    $next_byte = 4;
                    $v = ($v - 252) << 30;
                } else {
                    throw new UnexpectedValueException('This might be UTF-8, but I don\'t understand it at byte '.$k);
                }
                if ('add' == $mode) {
                    $output[$out_len] = (int) $v;
                    ++$out_len;
                    continue;
                }
            }
            if ('add' == $mode) {
                if (!$this->_allow_overlong && $test == 'range') {
                    $test = 'none';
                    if (($v < 0xA0 && $start_byte == 0xE0) || ($v < 0x90 && $start_byte == 0xF0) || ($v > 0x8F && $start_byte == 0xF4)) {
                        throw new OutOfRangeException('Bogus UTF-8 character detected (out of legal range) at byte '.$k);
                    }
                }
                if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx
                    $v = ($v - 128) << ($next_byte * 6);
                    $output[($out_len - 1)] += $v;
                    --$next_byte;
                } else {
                    throw new UnexpectedValueException('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k);
                }
                if ($next_byte < 0) {
                    $mode = 'next';
                }
            }
        } // for
        return $output;
    }

/**
     * Convert UCS-4 array into UTF-8 string
     *
     * @param array $input ucs4-encoded array
     *
     * @return string      utf8-encoded string
     * @throws Exception
     * @access private
     */
    private function _ucs4_to_utf8($input)
    {
        $output = '';

foreach ($input as $v) {
            // $v = ord($v);

if ($v < 128) {
                // 7bit are transferred literally
                $output .= chr($v);
            } else if ($v < 1 << 11) {
                // 2 bytes
                $output .= chr(192 + ($v >> 6))
                    . chr(128 + ($v & 63));
            } else if ($v < 1 << 16) {
                // 3 bytes
                $output .= chr(224 + ($v >> 12))
                    . chr(128 + (($v >> 6) & 63))
                    . chr(128 + ($v & 63));
            } else if ($v < 1 << 21) {
                // 4 bytes
                $output .= chr(240 + ($v >> 18))
                    . chr(128 + (($v >> 12) & 63))
                    . chr(128 + (($v >>  6) & 63))
                    . chr(128 + ($v & 63));
            } else if ($v < 1 << 26) {
                // 5 bytes
                $output .= chr(248 + ($v >> 24))
                    . chr(128 + (($v >> 18) & 63))
                    . chr(128 + (($v >> 12) & 63))
                    . chr(128 + (($v >>  6) & 63))
                    . chr(128 + ($v & 63));
            } else if ($v < 1 << 31) {
                // 6 bytes
                $output .= chr(252 + ($v >> 30))
                    . chr(128 + (($v >> 24) & 63))
                    . chr(128 + (($v >> 18) & 63))
                    . chr(128 + (($v >> 12) & 63))
                    . chr(128 + (($v >>  6) & 63))
                    . chr(128 + ($v & 63));
            } else {
                throw new UnexpectedValueException('Conversion from UCS-4 to UTF-8 failed: malformed input');
            }
        }

return $output;
    }

/**
     * Convert UCS-4 array into UCS-4 string
     *
     * @param array $input ucs4-encoded array
     *
     * @return string      ucs4-encoded string
     * @throws Exception
     * @access private
     */
    private function _ucs4_to_ucs4_string($input)
    {
        $output = '';
        // Take array values and split output to 4 bytes per value
        // The bit mask is 255, which reads &11111111
        foreach ($input as $v) {
            $output .= ($v & (255 << 24) >> 24) . ($v & (255 << 16) >> 16) . ($v & (255 << 8) >> 8) . ($v & 255);
        }
        return $output;
    }

/**
     * Convert UCS-4 string into UCS-4 array
     *
     * @param string $input ucs4-encoded string
     *
     * @return array        ucs4-encoded array
     * @throws InvalidArgumentException
     * @access private
     */
    private function _ucs4_string_to_ucs4($input)
    {
        $output = array();

$inp_len = self::_byteLength($input);
        // Input length must be dividable by 4
        if ($inp_len % 4) {
            throw new InvalidArgumentException('Input UCS4 string is broken');
        }

// Empty input - return empty output
        if (!$inp_len) {
            return $output;
        }

for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) {
            // Increment output position every 4 input bytes
            if (!$i % 4) {
                $out_len++;
                $output[$out_len] = 0;
            }
            $output[$out_len] += ord($input{$i}) << (8 * (3 - ($i % 4) ) );
        }
        return $output;
    }

/**
     * Echo hex representation of UCS4 sequence.
     *
     * @param array   $input       UCS4 sequence
     * @param boolean $include_bit Include bitmask in output
     *
     * @return void
     * @static
     * @access private
     */
    private static function _showHex($input, $include_bit = false)
    {
        foreach ($input as $k => $v) {
            echo '[', $k, '] => ', sprintf('%X', $v);

if ($include_bit) {
                echo ' (', Net_IDNA2::_showBitmask($v), ')';
            }

echo "\n";
        }
    }

/**
     * Gives you a bit representation of given Byte (8 bits), Word (16 bits) or DWord (32 bits)
     * Output width is automagically determined
     *
     * @param int $octet ...
     *
     * @return string    Bitmask-representation
     * @static
     * @access private
     */
    private static function _showBitmask($octet)
    {
        if ($octet >= (1 << 16)) {
            $w = 31;
        } else if ($octet >= (1 << 8)) {
            $w = 15;
        } else {
            $w = 7;
        }

$return = '';

for ($i = $w; $i > -1; $i--) {
            $return .= ($octet & (1 << $i))? '1' : '0';
        }

return $return;
    }

/**
     * Gets the length of a string in bytes even if mbstring function
     * overloading is turned on
     *
     * @param string $string the string for which to get the length.
     *
     * @return integer the length of the string in bytes.
     *
     * @see Net_IDNA2::$_mb_string_overload
     */
    private static function _byteLength($string)
    {
        if (self::$_mb_string_overload) {
            return mb_strlen($string, '8bit');
        }
        return strlen((binary)$string);
    }

// }}}}

// {{{ factory
    /**
     * Attempts to return a concrete IDNA instance for either php4 or php5.
     *
     * @param array $params Set of paramaters
     *
     * @return Net_IDNA2
     * @access public
     */
    function getInstance($params = array())
    {
        return new Net_IDNA2($params);
    }
    // }}}

// {{{ singleton
    /**
     * Attempts to return a concrete IDNA instance for either php4 or php5,
     * only creating a new instance if no IDNA instance with the same
     * parameters currently exists.
     *
     * @param array $params Set of paramaters
     *
     * @return object Net_IDNA2
     * @access public
     */
    function singleton($params = array())
    {
        static $instances;
        if (!isset($instances)) {
            $instances = array();
        }

$signature = serialize($params);
        if (!isset($instances[$signature])) {
            $instances[$signature] = Net_IDNA2::getInstance($params);
        }

return $instances[$signature];
    }
    // }}}
}

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