3v4l.org

run code in 300+ PHP versions simultaneously
<?php $startDouble = microtime(); for ($i = 0; $i < 10000; $i++) $var = "I am a single quote string"; $endDouble = microtime(); $timeDouble = $endDouble - $startDouble; echo 'No math took : ',$timeDouble,'ms';

preferences:
34.2 ms | 402 KiB | 5 Q