Online PHP editor | refs for bnFPV

@ 2019-02-26T09:18:45Z

<?php

$foo = ['bar' => 'boo'];
$baz = ['boo' => 'bay'];
$bar = $baz[$foo['bar'] ?? ''] ?? '' ;
var_dump($bar);


$foo = [];
$baz = [];
$bar = $baz[$foo['bar'] ?? ''] ?? '' ;
var_dump($bar);