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@ 2014-10-10T20:19:59Z

<?php

function userland_func_num_args() { return count(debug_backtrace()[1]['args']); }

function foo() { return func_num_args(); }
function bar() { return userland_func_num_args(); }

var_dump(foo('foo', 'bar'));
var_dump(bar('foo', 'bar'));

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

52.96 ms | 402 KiB | 5 Q