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@ 2014-09-22T18:51:43Z

<?php

function foo(&$a) {
	$a = 10;
    var_dump(debug_backtrace());
}

$x = 5;
foo($x);

Output
Performance
VLD
References
Branches

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

preferences:dark modelive preview

36.86 ms | 402 KiB | 5 Q