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Editing: shared.mb_unicode.php

<?php
/**
 * Smarty shared plugin
 *
 * @package    Smarty
 * @subpackage PluginsShared
 */
/**
 * convert characters to their decimal unicode equivalents
 *
 * @link   http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
 *
 * @param string $string   characters to calculate unicode of
 * @param string $encoding encoding of $string, if null mb_internal_encoding() is used
 *
 * @return array sequence of unicodes
 * @author Rodney Rehm
 */
function smarty_mb_to_unicode($string, $encoding = null)
{
    if ($encoding) {
        $expanded = mb_convert_encoding($string, 'UTF-32BE', $encoding);
    } else {
        $expanded = mb_convert_encoding($string, 'UTF-32BE');
    }
    return unpack('N*', $expanded);
}

/**
 * convert unicodes to the character of given encoding
 *
 * @link   http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
 *
 * @param integer|array $unicode  single unicode or list of unicodes to convert
 * @param string        $encoding encoding of returned string, if null mb_internal_encoding() is used
 *
 * @return string unicode as character sequence in given $encoding
 * @author Rodney Rehm
 */
function smarty_mb_from_unicode($unicode, $encoding = null)
{
    $t = '';
    if (!$encoding) {
        $encoding = mb_internal_encoding();
    }
    foreach ((array)$unicode as $utf32be) {
        $character = pack('N*', $utf32be);
        $t .= mb_convert_encoding($character, $encoding, 'UTF-32BE');
    }
    return $t;
}

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