functions/encode/cp1256.php

   1 <?php
   2 /**
   3  * cp1256 encoding functions
   4  *
   5  * takes a string of unicode entities and converts it to a cp1256 encoded string
   6  * Unsupported characters are replaced with ?.
   7  *
   8  * @version $Id$
   9  * @copyright Copyright &copy; SquirrelMail Development Team, 2004
  10  * @package squirrelmail
  11  * @subpackage encode
  12  */
  13
  14 /**
  15  * Converts string to cp1256
  16  * @param string $string text with numeric unicode entities
  17  * @return string cp1256 encoded text
  18  */
  19 function charset_encode_cp1256 ($string) {
  20    // don't run encoding function, if there is no encoded characters
  21    if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
  22
  23     $string=preg_replace("/&#([0-9]+);/e","unicodetocp1256('\\1')",$string);
  24     // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetocp1256(hexdec('\\1'))",$string);
  25
  26     return $string;
  27 }
  28
  29 /**
  30  * Return cp1256 symbol when unicode character number is provided
  31  *
  32  * This function is used internally by charset_encode_cp1256
  33  * function. It might be unavailable to other squirrelmail functions.
  34  * Don't use it or make sure, that functions/encode/cp1256.php is
  35  * included.
  36  *
  37  * @param int $var decimal unicode value
  38  * @return string cp1256 character
  39  */
  40 function unicodetocp1256($var) {
  41
  42     $cp1256chars=array('160' => "\xA0",
  43                        '162' => "\xA2",
  44                        '163' => "\xA3",
  45                        '164' => "\xA4",
  46                        '165' => "\xA5",
  47                        '166' => "\xA6",
  48                        '167' => "\xA7",
  49                        '168' => "\xA8",
  50                        '169' => "\xA9",
  51                        '171' => "\xAB",
  52                        '172' => "\xAC",
  53                        '173' => "\xAD",
  54                        '174' => "\xAE",
  55                        '175' => "\xAF",
  56                        '176' => "\xB0",
  57                        '177' => "\xB1",
  58                        '178' => "\xB2",
  59                        '179' => "\xB3",
  60                        '180' => "\xB4",
  61                        '181' => "\xB5",
  62                        '182' => "\xB6",
  63                        '183' => "\xB7",
  64                        '184' => "\xB8",
  65                        '185' => "\xB9",
  66                        '187' => "\xBB",
  67                        '188' => "\xBC",
  68                        '189' => "\xBD",
  69                        '190' => "\xBE",
  70                        '215' => "\xD7",
  71                        '224' => "\xE0",
  72                        '226' => "\xE2",
  73                        '231' => "\xE7",
  74                        '232' => "\xE8",
  75                        '233' => "\xE9",
  76                        '234' => "\xEA",
  77                        '235' => "\xEB",
  78                        '238' => "\xEE",
  79                        '239' => "\xEF",
  80                        '244' => "\xF4",
  81                        '247' => "\xF7",
  82                        '249' => "\xF9",
  83                        '251' => "\xFB",
  84                        '252' => "\xFC",
  85                        '338' => "\x8C",
  86                        '339' => "\x9C",
  87                        '402' => "\x83",
  88                        '710' => "\x88",
  89                        '1548' => "\xA1",
  90                        '1563' => "\xBA",
  91                        '1567' => "\xBF",
  92                        '1569' => "\xC1",
  93                        '1570' => "\xC2",
  94                        '1571' => "\xC3",
  95                        '1572' => "\xC4",
  96                        '1573' => "\xC5",
  97                        '1574' => "\xC6",
  98                        '1575' => "\xC7",
  99                        '1576' => "\xC8",
 100                        '1577' => "\xC9",
 101                        '1578' => "\xCA",
 102                        '1579' => "\xCB",
 103                        '1580' => "\xCC",
 104                        '1581' => "\xCD",
 105                        '1582' => "\xCE",
 106                        '1583' => "\xCF",
 107                        '1584' => "\xD0",
 108                        '1585' => "\xD1",
 109                        '1586' => "\xD2",
 110                        '1587' => "\xD3",
 111                        '1588' => "\xD4",
 112                        '1589' => "\xD5",
 113                        '1590' => "\xD6",
 114                        '1591' => "\xD8",
 115                        '1592' => "\xD9",
 116                        '1593' => "\xDA",
 117                        '1594' => "\xDB",
 118                        '1600' => "\xDC",
 119                        '1601' => "\xDD",
 120                        '1602' => "\xDE",
 121                        '1603' => "\xDF",
 122                        '1604' => "\xE1",
 123                        '1605' => "\xE3",
 124                        '1606' => "\xE4",
 125                        '1607' => "\xE5",
 126                        '1608' => "\xE6",
 127                        '1609' => "\xEC",
 128                        '1610' => "\xED",
 129                        '1611' => "\xF0",
 130                        '1612' => "\xF1",
 131                        '1613' => "\xF2",
 132                        '1614' => "\xF3",
 133                        '1615' => "\xF5",
 134                        '1616' => "\xF6",
 135                        '1617' => "\xF8",
 136                        '1618' => "\xFA",
 137                        '1657' => "\x8A",
 138                        '1662' => "\x81",
 139                        '1670' => "\x8D",
 140                        '1672' => "\x8F",
 141                        '1681' => "\x9A",
 142                        '1688' => "\x8E",
 143                        '1705' => "\x98",
 144                        '1711' => "\x90",
 145                        '1722' => "\x9F",
 146                        '1726' => "\xAA",
 147                        '1729' => "\xC0",
 148                        '1746' => "\xFF",
 149                        '8204' => "\x9D",
 150                        '8205' => "\x9E",
 151                        '8206' => "\xFD",
 152                        '8207' => "\xFE",
 153                        '8211' => "\x96",
 154                        '8212' => "\x97",
 155                        '8216' => "\x91",
 156                        '8217' => "\x92",
 157                        '8218' => "\x82",
 158                        '8220' => "\x93",
 159                        '8221' => "\x94",
 160                        '8222' => "\x84",
 161                        '8224' => "\x86",
 162                        '8225' => "\x87",
 163                        '8226' => "\x95",
 164                        '8230' => "\x85",
 165                        '8240' => "\x89",
 166                        '8249' => "\x8B",
 167                        '8250' => "\x9B",
 168                        '8364' => "\x80",
 169                        '8482' => "\x99");
 170
 171     if (array_key_exists($var,$cp1256chars)) {
 172         $ret=$cp1256chars[$var];
 173     } else {
 174         $ret='?';
 175     }
 176     return $ret;
 177 }
 178 ?>