PHP Clean Multi Array

Clean Multi Array

<?php
function cleanMultiArray($array) {
	if(!is_array($array)) {
		return -1;
	}
	foreach($array as $key=>$value) {
       
		if(is_array($value)) {
			$array[$key] = cleanMultiArray($value);
		}
		else {
			if( $value == "") {
				unset($array[$key]);
			}
		}
	}
	return $array;
}
?>