3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'bcdfghjklmnpqrstvwxyz'; $vowels = array('a', 'e', 'i', 'o', 'u'); $vowels_a = 'aeiou'; for ($x=0,$r=null;$x<8;$x++) { if (!in_array(substr($r,strlen($r)-1,1), $vowels)) { $r .= substr($vowels_a, mt_rand(0, strlen($vowels_a) - 1), 1); } else { $r .= substr($a, mt_rand(0, strlen($a) - 1), 1); } } echo $r;

preferences:
33.3 ms | 402 KiB | 5 Q