3v4l.org

run code in 300+ PHP versions simultaneously
<?php function rand_string( $length ) { $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; return substr(str_shuffle($chars),0,$length); } echo rand_string(8);

preferences:
34.63 ms | 402 KiB | 5 Q