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@ 2016-01-07T16:30:29Z

<?php

class A {
    
    protected $a = 2;
}

$a = new A();
var_dump($a);

$b = null;

var_dump(clone $a);

var_dump(clone $b);

Output
Performance
VLD
References
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var_dump: documentation ( source)

preferences:dark modelive preview

42.72 ms | 402 KiB | 5 Q