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@ 2015-03-23T23:13:26Z

<?php

function foo() { bar(123); }
function bar() { baz(456); }
function baz() { var_dump(debug_backtrace(0, 2)[2]); }

foo();

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

41.29 ms | 402 KiB | 5 Q