Online PHP editor | refs for gIrL4

@ 2018-05-16T23:47:36Z

<?php

$x = NULL;
$y = NULL;
$z = 3;
var_dump($x ?? $y ?? $z); // int(3)

$a = false;
$b = true;

var_dump($a ?? $b); // bool(false)

$d = 42;
var_dump($c ?? $d); // int(42)
$e = $c;
var_dump($e);