Online PHP editor | refs for AiXf0

@ 2013-11-21T21:25:09Z

<?php
$array_1 = array('something1', something2);
$array_2 = array('something3', something4);
$array_3 = array();
$array_4 = array('something1', something2);

array_walk([$array_1,$array_2,$array_3,$array_4],function(&$value, $key) {
    echo empty($value);
});