3v4l.org

run code in 300+ PHP versions simultaneously
<?php function quickRandom($length = 16) { $length = intval($length, 10); $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; $pool_length = 62; $output = ''; while($length--) { $output .= $pool[rand(0,$pool_length - 1)]; } return $output; } $i = 10000; while($i--) { quickRandom(311); }
Output for 4.3.3 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.25, 7.3.0 - 7.3.12, 7.4.0
Output for 4.3.0 - 4.3.2

Process exited with code 137.
preferences:
170.74 ms | 401 KiB | 264 Q