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@ 2016-02-04T15:01:37Z

<?php

class Foo {
    function bar() {
        return null;
    }
}

var_dump((new Foo)->bar()->bar() ?? 3);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

73.34 ms | 402 KiB | 5 Q