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  *

    14  * @param string $string characters to calculate unicode of

    15  * @param string $encoding encoding of $string, if null mb_internal_encoding() is used

    16  *

    17  * @return array sequence of unicodes

    18  * @author Rodney Rehm

    19  */

    20 function smarty_mb_to_unicode($string, $encoding = null) {

    21     if ($encoding) {

    22         $expanded = mb_convert_encoding($string, "UTF-32BE", $encoding);

    23     } else {

    24         $expanded = mb_convert_encoding($string, "UTF-32BE");

    25     }

    26 

    27     return unpack("N*", $expanded);

    28 }

    29 

    30 /**

    31  * convert unicodes to the character of given encoding

    32  *

    33  * @link   http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration

    34  *

    35  * @param integer|array $unicode single unicode or list of unicodes to convert

    36  * @param string $encoding encoding of returned string, if null mb_internal_encoding() is used

    37  *

    38  * @return string unicode as character sequence in given $encoding

    39  * @author Rodney Rehm

    40  */

    41 function smarty_mb_from_unicode($unicode, $encoding = null) {

    42     $t = '';

    43     if (!$encoding) {

    44         $encoding = mb_internal_encoding();

    45     }

    46     foreach ((array)$unicode as $utf32be) {

    47         $character = pack("N*", $utf32be);

    48         $t .= mb_convert_encoding($character, $encoding, "UTF-32BE");

    49     }

    50 

    51     return $t;

    52 }