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@ 2016-11-27T12:39:21Z

<?php

class A {
    public $cb;
    
    public function __construct() {
        $this->cb = function() {
            $foo = "this";
            var_dump($$foo);
        };
    }
}

((new A)->cb)();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

127.61 ms | 1613 KiB | 5 Q