4 * iso-8859-9 encoding functions
6 * takes a string of unicode entities and converts it to a iso-8859-9 encoded string
7 * Unsupported characters are replaced with ?.
9 * @copyright 2004-2012 The SquirrelMail Project Team
10 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
12 * @package squirrelmail
17 * Converts string to iso-8859-9
18 * @param string $string text with numeric unicode entities
19 * @return string iso-8859-9 encoded text
21 function charset_encode_iso_8859_9 ($string) {
22 // don't run encoding function, if there is no encoded characters
23 if (! preg_match("'&#[0-9]+;'",$string) ) return $string;
25 $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88599('\\1')",$string);
26 // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88599(hexdec('\\1'))",$string);
32 * Return iso-8859-9 symbol when unicode character number is provided
34 * This function is used internally by charset_encode_iso_8859_9
35 * function. It might be unavailable to other SquirrelMail functions.
36 * Don't use it or make sure, that functions/encode/iso_8859_9.php is
39 * @param int $var decimal unicode value
40 * @return string iso-8859-9 character
42 function unicodetoiso88599($var) {
44 $iso88599chars=array('160' => "\xA0",
142 if (array_key_exists($var,$iso88599chars)) {
143 $ret=$iso88599chars[$var];