3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i=0; $j=500000; while($i < 60000) { $i++; $j++; $data1[] = md5($i); $data2[] = md5($j); } $key = md5(1); $time = microtime(true); echo "Starting\n"; $test = in_array($key, $data1); $time = microtime(true) - $time; echo ' took ' . number_format($time, 3) . " seconds\n";

preferences:
30.39 ms | 402 KiB | 5 Q