public function analyze()
{
$this->functions = array('array_diff', 'array_intersect', 'array_key_exists', 'array_map', 'array_search', 'array_udiff', 'array_uintersect', 'array_unique', 'array_unshift', 'array_walk', 'in_array', 'preg_replace', 'strstr', 'uasort', 'uksort', 'usort');
parent::analyze();
}