Online PHP editor | refs for RK1MZ

@ 2017-07-06T07:30:28Z

<?php

function test() {
    return null;
}

function call() {
    $blockedRel = test();
    
    var_dump($blockedRel);
    var_dump(isset($blockedRel));
    
    var_dump(isset($b));
}

call();