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@ 2015-04-21T22:15:02Z

<?php

class A {
    public function __construct()
    {
        var_dump(debug_backtrace(true, 1));
    }
}

class B {
    public function __construct()
    {
        new A();
    }
}

new B;

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
debug_backtrace: documentation ( source)

preferences:dark modelive preview

33.59 ms | 402 KiB | 5 Q