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2809 rexy 1
<?php
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/**
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 * Smarty shared plugin
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 *
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 * @package    Smarty
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 * @subpackage PluginsShared
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 */
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/**
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 * convert characters to their decimal unicode equivalents
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 *
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 * @link   http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
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 *
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 * @param string $string   characters to calculate unicode of
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 * @param string $encoding encoding of $string, if null mb_internal_encoding() is used
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 *
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 * @return array sequence of unicodes
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 * @author Rodney Rehm
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 */
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function smarty_mb_to_unicode($string, $encoding = null)
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{
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    if ($encoding) {
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        $expanded = mb_convert_encoding($string, 'UTF-32BE', $encoding);
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    } else {
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        $expanded = mb_convert_encoding($string, 'UTF-32BE');
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    }
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    return unpack('N*', $expanded);
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}
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/**
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 * convert unicodes to the character of given encoding
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 *
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 * @link   http://www.ibm.com/developerworks/library/os-php-unicode/index.html#listing3 for inspiration
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 *
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 * @param integer|array $unicode  single unicode or list of unicodes to convert
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 * @param string        $encoding encoding of returned string, if null mb_internal_encoding() is used
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 *
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 * @return string unicode as character sequence in given $encoding
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 * @author Rodney Rehm
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 */
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function smarty_mb_from_unicode($unicode, $encoding = null)
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{
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    $t = '';
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    if (!$encoding) {
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        $encoding = mb_internal_encoding();
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    }
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    foreach ((array)$unicode as $utf32be) {
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        $character = pack('N*', $utf32be);
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        $t .= mb_convert_encoding($character, $encoding, 'UTF-32BE');
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    }
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    return $t;
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}