1 <?php
2 /**
3 * Smarty shared plugin
4 *
5 * @package Smarty
6 * @subpackage PluginsShared
7 */
9 /**
10 * convert characters to their decimal unicode equivalents
11 *
12 * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
13 * @param string $string characters to calculate unicode of
14 * @param string $encoding encoding of $string, if null mb_internal_encoding() is used
15 * @return array sequence of unicodes
16 * @author Rodney Rehm
17 */
18 function smarty_mb_to_unicode($string, $encoding=null) {
19 if ($encoding) {
20 $expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);
21 } else {
22 $expanded = mb_convert_encoding($string, "UTF-32BE");
23 }
24 return unpack("N*", $expanded);
25 }
27 /**
28 * convert unicodes to the character of given encoding
29 *
30 * @link http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
31 * @param integer|array $unicode single unicode or list of unicodes to convert
32 * @param string $encoding encoding of returned string, if null mb_internal_encoding() is used
33 * @return string unicode as character sequence in given $encoding
34 * @author Rodney Rehm
35 */
36 function smarty_mb_from_unicode($unicode, $encoding=null) {
37 $t = '';
38 if (!$encoding) {
39 $encoding = mb_internal_encoding();
40 }
41 foreach((array) $unicode as $utf32be) {
42 $character = pack("N", $utf32be);
43 $t .= mb_convert_encoding($character, $encoding, "UTF-32BE");
44 }
45 return $t;
46 }
48 ?>