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@ 2014-07-02T22:35:13Z

<?php
$foo = null;
$foo = function() use (&$foo){
    var_dump($foo);
    return $foo;
};
($foo()->__invoke()==$foo);

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var_dump: documentation ( source)

preferences:dark modelive preview

36.13 ms | 402 KiB | 5 Q