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@ 2015-09-04T07:29:19Z

<?php

function foo()
{
    var_dump(debug_backtrace());
}

call_user_func('foo');

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

31.23 ms | 405 KiB | 5 Q