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@ 2016-10-23T16:04:11Z

<?php

$foo = new stdClass;
$bar = new stdClass;
$bar->x = "foobar";
$foo->bar = $bar;

var_dump($foo->bar->x ?? "1");
var_dump($foo->bar->x->y ?? "2");
var_dump($foo->x->bar ?? "3");

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

59.17 ms | 1948 KiB | 5 Q