Source for file koi8_u.php

Documentation is available at koi8_u.php

  1. <?php
  2.  
  3. /**
  4.  * koi8-u encoding functions
  5.  *
  6.  * takes a string of unicode entities and converts it to a koi8-u encoded string
  7.  * Unsupported characters are replaced with ?.
  8.  *
  9.  * @copyright 2004-2012 The SquirrelMail Project Team
  10.  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  11.  * @version $Id: koi8_u.php 14360 2013-05-16 12:16:58Z kink $
  12.  * @package squirrelmail
  13.  * @subpackage encode
  14.  */
  15.  
  16. /**
  17.  * Converts string to koi8-u
  18.  * @param string $string text with numeric unicode entities
  19.  * @return string koi8-u encoded text
  20.  */
  21. function charset_encode_koi8_u ($string) {
  22.    // don't run encoding function, if there is no encoded characters
  23.    if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
  24.  
  25.     $string=preg_replace_callback("/&#([0-9]+);/",'unicodetokoi8u',$string);
  26.  
  27.     return $string;
  28. }
  29.  
  30. /**
  31.  * Return koi8-u symbol when unicode character number is provided
  32.  *
  33.  * This function is used internally by charset_encode_koi8_u
  34.  * function. It might be unavailable to other SquirrelMail functions.
  35.  * Don't use it or make sure, that functions/encode/koi8_u.php is
  36.  * included.
  37.  *
  38.  * @param array $matches array with first element a decimal unicode value
  39.  * @return string koi8-u character
  40.  */
  41. function unicodetokoi8u($matches) {
  42.     $var = $matches[1];
  43.  
  44.     $koi8uchars=array('160' => "\x9A",
  45.                       '169' => "\xBF",
  46.                       '176' => "\x9C",
  47.                       '178' => "\x9D",
  48.                       '183' => "\x9E",
  49.                       '247' => "\x9F",
  50.                       '1025' => "\xB3",
  51.                       '1028' => "\xB4",
  52.                       '1030' => "\xB6",
  53.                       '1031' => "\xB7",
  54.                       '1040' => "\xE1",
  55.                       '1041' => "\xE2",
  56.                       '1042' => "\xF7",
  57.                       '1043' => "\xE7",
  58.                       '1044' => "\xE4",
  59.                       '1045' => "\xE5",
  60.                       '1046' => "\xF6",
  61.                       '1047' => "\xFA",
  62.                       '1048' => "\xE9",
  63.                       '1049' => "\xEA",
  64.                       '1050' => "\xEB",
  65.                       '1051' => "\xEC",
  66.                       '1052' => "\xED",
  67.                       '1053' => "\xEE",
  68.                       '1054' => "\xEF",
  69.                       '1055' => "\xF0",
  70.                       '1056' => "\xF2",
  71.                       '1057' => "\xF3",
  72.                       '1058' => "\xF4",
  73.                       '1059' => "\xF5",
  74.                       '1060' => "\xE6",
  75.                       '1061' => "\xE8",
  76.                       '1062' => "\xE3",
  77.                       '1063' => "\xFE",
  78.                       '1064' => "\xFB",
  79.                       '1065' => "\xFD",
  80.                       '1066' => "\xFF",
  81.                       '1067' => "\xF9",
  82.                       '1068' => "\xF8",
  83.                       '1069' => "\xFC",
  84.                       '1070' => "\xE0",
  85.                       '1071' => "\xF1",
  86.                       '1072' => "\xC1",
  87.                       '1073' => "\xC2",
  88.                       '1074' => "\xD7",
  89.                       '1075' => "\xC7",
  90.                       '1076' => "\xC4",
  91.                       '1077' => "\xC5",
  92.                       '1078' => "\xD6",
  93.                       '1079' => "\xDA",
  94.                       '1080' => "\xC9",
  95.                       '1081' => "\xCA",
  96.                       '1082' => "\xCB",
  97.                       '1083' => "\xCC",
  98.                       '1084' => "\xCD",
  99.                       '1085' => "\xCE",
  100.                       '1086' => "\xCF",
  101.                       '1087' => "\xD0",
  102.                       '1088' => "\xD2",
  103.                       '1089' => "\xD3",
  104.                       '1090' => "\xD4",
  105.                       '1091' => "\xD5",
  106.                       '1092' => "\xC6",
  107.                       '1093' => "\xC8",
  108.                       '1094' => "\xC3",
  109.                       '1095' => "\xDE",
  110.                       '1096' => "\xDB",
  111.                       '1097' => "\xDD",
  112.                       '1098' => "\xDF",
  113.                       '1099' => "\xD9",
  114.                       '1100' => "\xD8",
  115.                       '1101' => "\xDC",
  116.                       '1102' => "\xC0",
  117.                       '1103' => "\xD1",
  118.                       '1105' => "\xA3",
  119.                       '1108' => "\xA4",
  120.                       '1110' => "\xA6",
  121.                       '1111' => "\xA7",
  122.                       '1168' => "\xBD",
  123.                       '1169' => "\xAD",
  124.                       '8729' => "\x95",
  125.                       '8730' => "\x96",
  126.                       '8776' => "\x97",
  127.                       '8804' => "\x98",
  128.                       '8805' => "\x99",
  129.                       '8992' => "\x93",
  130.                       '8993' => "\x9B",
  131.                       '9472' => "\x80",
  132.                       '9474' => "\x81",
  133.                       '9484' => "\x82",
  134.                       '9488' => "\x83",
  135.                       '9492' => "\x84",
  136.                       '9496' => "\x85",
  137.                       '9500' => "\x86",
  138.                       '9508' => "\x87",
  139.                       '9516' => "\x88",
  140.                       '9524' => "\x89",
  141.                       '9532' => "\x8A",
  142.                       '9552' => "\xA0",
  143.                       '9553' => "\xA1",
  144.                       '9554' => "\xA2",
  145.                       '9556' => "\xA5",
  146.                       '9559' => "\xA8",
  147.                       '9560' => "\xA9",
  148.                       '9561' => "\xAA",
  149.                       '9562' => "\xAB",
  150.                       '9563' => "\xAC",
  151.                       '9565' => "\xAE",
  152.                       '9566' => "\xAF",
  153.                       '9567' => "\xB0",
  154.                       '9568' => "\xB1",
  155.                       '9569' => "\xB2",
  156.                       '9571' => "\xB5",
  157.                       '9574' => "\xB8",
  158.                       '9575' => "\xB9",
  159.                       '9576' => "\xBA",
  160.                       '9577' => "\xBB",
  161.                       '9578' => "\xBC",
  162.                       '9580' => "\xBE",
  163.                       '9600' => "\x8B",
  164.                       '9604' => "\x8C",
  165.                       '9608' => "\x8D",
  166.                       '9612' => "\x8E",
  167.                       '9616' => "\x8F",
  168.                       '9617' => "\x90",
  169.                       '9618' => "\x91",
  170.                       '9619' => "\x92",
  171.                       '9632' => "\x94");
  172.  
  173.     if (array_key_exists($var,$koi8uchars)) {
  174.         $ret=$koi8uchars[$var];
  175.     } else {
  176.         $ret='?';
  177.     }
  178.     return $ret;
  179. }

Documentation generated on Fri, 24 May 2013 04:19:48 +0200 by phpDocumentor 1.4.3