| 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 © 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 | ?> |