1 <?php

     2 /**

     3  * Smarty shared plugin

     4  *

     5  * @package Smarty

     6  * @subpackage PluginsShared

     7  */

     8 

     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 }

    26 

    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 }

    47 

    48 ?>