Clean a multidimensional array from null, 0, empty string

Clean a multidimensional array from null, 0, empty string

/* https://rogerpadilla.wordpress.com/2009/08/21/remove-empty-items-from-array/ */
function array_non_empty_items($input) {
	if (!is_array($input)) {
		return $input;
	}
	$non_empty_items = array();
	foreach($input as $key => $value) {
			if ($value) {
				$non_empty_items[$key] = array_non_empty_items($value);
			}
		}
		// added array_filter azizultex
	return array_filter($non_empty_items);
}


/* USED in viz360 at superdraft */

$fields = array('service_360vid', 'service_3d', 'service_gallery', 'service_interactive', 'service_panora');

$values_in_array = array();

foreach($fields as $field) {
	$field_value = get_post_meta(get_the_ID(), $field, true);
	$filtered = array_non_empty_items($field_value);
	if ($filtered) {
		$values_in_array[$field] = $filtered;
	}
}

var_dump($values_in_array);