3v4l.org

run code in 300+ PHP versions simultaneously
<?php function randStr($length = 32, $chars = 'abcdefghijklmnopqrstuxyvwzABCDEFGHIJKLMNOPQRSTUXYVWZ!@#$%&*()_-+=') { //function randStr($length, $chars) { $validCharNumber = strlen($chars); for ($i = 0; $i < $length; $i++) { $str .= $chars[rand(0, $validCharNumber - 1)]; } return $str; }
Output for 4.3.0 - 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 - 7.1.7

preferences:
158.56 ms | 404 KiB | 215 Q