Online PHP editor | refs for fFf08

@ 2017-09-17T14:28:50Z

<?php

function test ($x){
    if ($x === null || $x === ''){
        return false;
    }
    return true;
}

var_dump(@test($x));
$x = null;
var_dump(@test($x));

$x = '0';
var_dump(@test('0' ));