PHP: Strip unnecessary keys

<?php

function strip_keys() { // we can stop using annoying array_diff_keys now 

$args = func_get_args(); 

 $newArr = array_diff_key($args[0], array_flip(array_diff_key($args, array("")))); return $newArr; 

 }
?>
Strip keys from an array.
Usage

Easy version of array_diff_keys.

usage:

strip_keys($array, $key[, $key[, $key[, $key[, ...]]]])