3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('the','quick','brown','fox','jumps','over','the','lazy','dog'); for ($i = 0; $i < 50; $i++) { $array[0] = 'the'; $l = sizeof($array); for ($j = 0; $j < $l; $j++) { $array[$j] = strtolower($array[$j]); } }

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41.28 ms | 402 KiB | 5 Q