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@ 2014-10-07T20:37:00Z

<?php
ini_set("xdebug.max_nesting_level", 10000000);

function foo($n) {
    if($n == 0) return 'ok';
    return foo($n-1);
}

$time = microtime(true);
foo(20000);
echo (microtime(true) - $time) . ' elapsed';

Output
Performance
VLD
References
Branches

microtime: documentation ( source)
ini_set: documentation ( source)

preferences:dark modelive preview

34.44 ms | 402 KiB | 5 Q