| 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 2004-2017 The SquirrelMail Project Team |
| 10 | * @license http://opensource.org/licenses/gpl-license.php GNU Public License |
| 11 | * @version $Id$ |
| 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 | } |