Source for file tis_620.php

Documentation is available at tis_620.php

  1. <?php
  2.  
  3. /**
  4.  * tis-620 encoding functions
  5.  *
  6.  * takes a string of unicode entities and converts it to a tis-620 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: tis_620.php 14360 2013-05-16 12:16:58Z kink $
  12.  * @package squirrelmail
  13.  * @subpackage encode
  14.  */
  15.  
  16. /**
  17.  * Converts string to tis-620
  18.  * @param string $string text with numeric unicode entities
  19.  * @return string tis-620 encoded text
  20.  */
  21. function charset_encode_tis_620 ($string) {
  22.    // don't run encoding function, if there is no encoded characters
  23.    if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
  24.  
  25.     $string=preg_replace_callback("/&#([0-9]+);/",'unicodetotis620',$string);
  26.  
  27.     return $string;
  28. }
  29.  
  30. /**
  31.  * Return tis-620 symbol when unicode character number is provided
  32.  *
  33.  * This function is used internally by charset_encode_tis_620
  34.  * function. It might be unavailable to other SquirrelMail functions.
  35.  * Don't use it or make sure, that functions/encode/tis_620.php is
  36.  * included.
  37.  *
  38.  * @param array $matches array with first element a decimal unicode value
  39.  * @return string tis-620 character
  40.  */
  41. function unicodetotis620($matches) {
  42.     $var = $matches[1];
  43.  
  44.     $tis620chars=array('3585' => "\xA1",
  45.                        '3586' => "\xA2",
  46.                        '3587' => "\xA3",
  47.                        '3588' => "\xA4",
  48.                        '3589' => "\xA5",
  49.                        '3590' => "\xA6",
  50.                        '3591' => "\xA7",
  51.                        '3592' => "\xA8",
  52.                        '3593' => "\xA9",
  53.                        '3594' => "\xAA",
  54.                        '3595' => "\xAB",
  55.                        '3596' => "\xAC",
  56.                        '3597' => "\xAD",
  57.                        '3598' => "\xAE",
  58.                        '3599' => "\xAF",
  59.                        '3600' => "\xB0",
  60.                        '3601' => "\xB1",
  61.                        '3602' => "\xB2",
  62.                        '3603' => "\xB3",
  63.                        '3604' => "\xB4",
  64.                        '3605' => "\xB5",
  65.                        '3606' => "\xB6",
  66.                        '3607' => "\xB7",
  67.                        '3608' => "\xB8",
  68.                        '3609' => "\xB9",
  69.                        '3610' => "\xBA",
  70.                        '3611' => "\xBB",
  71.                        '3612' => "\xBC",
  72.                        '3613' => "\xBD",
  73.                        '3614' => "\xBE",
  74.                        '3615' => "\xBF",
  75.                        '3616' => "\xC0",
  76.                        '3617' => "\xC1",
  77.                        '3618' => "\xC2",
  78.                        '3619' => "\xC3",
  79.                        '3620' => "\xC4",
  80.                        '3621' => "\xC5",
  81.                        '3622' => "\xC6",
  82.                        '3623' => "\xC7",
  83.                        '3624' => "\xC8",
  84.                        '3625' => "\xC9",
  85.                        '3626' => "\xCA",
  86.                        '3627' => "\xCB",
  87.                        '3628' => "\xCC",
  88.                        '3629' => "\xCD",
  89.                        '3630' => "\xCE",
  90.                        '3631' => "\xCF",
  91.                        '3632' => "\xD0",
  92.                        '3633' => "\xD1",
  93.                        '3634' => "\xD2",
  94.                        '3635' => "\xD3",
  95.                        '3636' => "\xD4",
  96.                        '3637' => "\xD5",
  97.                        '3638' => "\xD6",
  98.                        '3639' => "\xD7",
  99.                        '3640' => "\xD8",
  100.                        '3641' => "\xD9",
  101.                        '3642' => "\xDA",
  102.                        '3647' => "\xDF",
  103.                        '3648' => "\xE0",
  104.                        '3649' => "\xE1",
  105.                        '3650' => "\xE2",
  106.                        '3651' => "\xE3",
  107.                        '3652' => "\xE4",
  108.                        '3653' => "\xE5",
  109.                        '3654' => "\xE6",
  110.                        '3655' => "\xE7",
  111.                        '3656' => "\xE8",
  112.                        '3657' => "\xE9",
  113.                        '3658' => "\xEA",
  114.                        '3659' => "\xEB",
  115.                        '3660' => "\xEC",
  116.                        '3661' => "\xED",
  117.                        '3662' => "\xEE",
  118.                        '3663' => "\xEF",
  119.                        '3664' => "\xF0",
  120.                        '3665' => "\xF1",
  121.                        '3666' => "\xF2",
  122.                        '3667' => "\xF3",
  123.                        '3668' => "\xF4",
  124.                        '3669' => "\xF5",
  125.                        '3670' => "\xF6",
  126.                        '3671' => "\xF7",
  127.                        '3672' => "\xF8",
  128.                        '3673' => "\xF9",
  129.                        '3674' => "\xFA",
  130.                        '3675' => "\xFB");
  131.  
  132.     if (array_key_exists($var,$tis620chars)) {
  133.         $ret=$tis620chars[$var];
  134.     } else {
  135.         $ret='?';
  136.     }
  137.     return $ret;
  138. }

Documentation generated on Sat, 25 May 2013 04:20:43 +0200 by phpDocumentor 1.4.3