Source for file iso_8859_7.php

Documentation is available at iso_8859_7.php

  1. <?php
  2.  
  3. /**
  4.  * iso-8859-7 encoding functions
  5.  *
  6.  * takes a string of unicode entities and converts it to a iso-8859-7 encoded string
  7.  * Unsupported characters are replaced with ?.
  8.  *
  9.  * @copyright &copy; 2004-2006 The SquirrelMail Project Team
  10.  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  11.  * @version $Id: iso_8859_7.php,v 1.7 2006/07/15 12:00:46 tokul Exp $
  12.  * @package squirrelmail
  13.  * @subpackage encode
  14.  */
  15.  
  16. /**
  17.  * Converts string to iso-8859-7
  18.  * @param string $string text with numeric unicode entities
  19.  * @return string iso-8859-7 encoded text
  20.  */
  21. function charset_encode_iso_8859_7 ($string) {
  22.    // don't run encoding function, if there is no encoded characters
  23.    if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
  24.  
  25.     $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88597('\\1')",$string);
  26.     // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88597(hexdec('\\1'))",$string);
  27.  
  28.     return $string;
  29. }
  30.  
  31. /**
  32.  * Return iso-8859-7 symbol when unicode character number is provided
  33.  *
  34.  * This function is used internally by charset_encode_iso_8859_7
  35.  * function. It might be unavailable to other SquirrelMail functions.
  36.  * Don't use it or make sure, that functions/encode/iso_8859_7.php is
  37.  * included.
  38.  *
  39.  * @param int $var decimal unicode value
  40.  * @return string iso-8859-7 character
  41.  */
  42. function unicodetoiso88597($var) {
  43.  
  44.     $iso88597chars=array('160' => "\xA0",
  45.                          '163' => "\xA3",
  46.                          '166' => "\xA6",
  47.                          '167' => "\xA7",
  48.                          '168' => "\xA8",
  49.                          '169' => "\xA9",
  50.                          '171' => "\xAB",
  51.                          '172' => "\xAC",
  52.                          '173' => "\xAD",
  53.                          '176' => "\xB0",
  54.                          '177' => "\xB1",
  55.                          '178' => "\xB2",
  56.                          '179' => "\xB3",
  57.                          '183' => "\xB7",
  58.                          '187' => "\xBB",
  59.                          '189' => "\xBD",
  60.                          '900' => "\xB4",
  61.                          '901' => "\xB5",
  62.                          '902' => "\xB6",
  63.                          '904' => "\xB8",
  64.                          '905' => "\xB9",
  65.                          '906' => "\xBA",
  66.                          '908' => "\xBC",
  67.                          '910' => "\xBE",
  68.                          '911' => "\xBF",
  69.                          '912' => "\xC0",
  70.                          '913' => "\xC1",
  71.                          '914' => "\xC2",
  72.                          '915' => "\xC3",
  73.                          '916' => "\xC4",
  74.                          '917' => "\xC5",
  75.                          '918' => "\xC6",
  76.                          '919' => "\xC7",
  77.                          '920' => "\xC8",
  78.                          '921' => "\xC9",
  79.                          '922' => "\xCA",
  80.                          '923' => "\xCB",
  81.                          '924' => "\xCC",
  82.                          '925' => "\xCD",
  83.                          '926' => "\xCE",
  84.                          '927' => "\xCF",
  85.                          '928' => "\xD0",
  86.                          '929' => "\xD1",
  87.                          '931' => "\xD3",
  88.                          '932' => "\xD4",
  89.                          '933' => "\xD5",
  90.                          '934' => "\xD6",
  91.                          '935' => "\xD7",
  92.                          '936' => "\xD8",
  93.                          '937' => "\xD9",
  94.                          '938' => "\xDA",
  95.                          '939' => "\xDB",
  96.                          '940' => "\xDC",
  97.                          '941' => "\xDD",
  98.                          '942' => "\xDE",
  99.                          '943' => "\xDF",
  100.                          '944' => "\xE0",
  101.                          '945' => "\xE1",
  102.                          '946' => "\xE2",
  103.                          '947' => "\xE3",
  104.                          '948' => "\xE4",
  105.                          '949' => "\xE5",
  106.                          '950' => "\xE6",
  107.                          '951' => "\xE7",
  108.                          '952' => "\xE8",
  109.                          '953' => "\xE9",
  110.                          '954' => "\xEA",
  111.                          '955' => "\xEB",
  112.                          '956' => "\xEC",
  113.                          '957' => "\xED",
  114.                          '958' => "\xEE",
  115.                          '959' => "\xEF",
  116.                          '960' => "\xF0",
  117.                          '961' => "\xF1",
  118.                          '962' => "\xF2",
  119.                          '963' => "\xF3",
  120.                          '964' => "\xF4",
  121.                          '965' => "\xF5",
  122.                          '966' => "\xF6",
  123.                          '967' => "\xF7",
  124.                          '968' => "\xF8",
  125.                          '969' => "\xF9",
  126.                          '970' => "\xFA",
  127.                          '971' => "\xFB",
  128.                          '972' => "\xFC",
  129.                          '973' => "\xFD",
  130.                          '974' => "\xFE",
  131.                          '8213' => "\xAF",
  132.                          '8216' => "\xA1",
  133.                          '8217' => "\xA2");
  134.  
  135.  
  136.     if (array_key_exists($var,$iso88597chars)) {
  137.         $ret=$iso88597chars[$var];
  138.     } else {
  139.         $ret='?';
  140.     }
  141.     return $ret;
  142. }

Documentation generated on Sat, 07 Oct 2006 16:11:58 +0300 by phpDocumentor 1.3.0RC6