Recursive Array Search

gistfile1.txt

//By buddel - http://php.net/manual/en/function.array-search.php#usernotes

function recursive_array_search($needle,$haystack) {
	foreach($haystack as $key=>$value) {
		$current_key=$key;
		if($needle===$value OR (is_array($value) && recursive_array_search($needle,$value) !== false)) {
			return true;
		}
	}
	return false;
}