#Mulit-byte Unserialize
#
/**
* Mulit-byte Unserialize
*
* UTF-8 will screw up a serialized string
*
* @access private
* @param string
* @return string
*/
function mb_unserialize($string) {
$string = preg_replace('!s:(\d+):"(.*?)";!se', "'s:'.strlen('$2').':\"$2\";'", $string);
return unserialize($string);
}