3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function rand_str($length = 8, $chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890') { $chars_length = (strlen($chars) - 1); $string = $chars{rand(0, $chars_length)}; for ($i = 1; $i < $length; $i = strlen($string)) { $r = $chars{rand(0, $chars_length)}; if ($r != $string{$i - 1}) { $string .= $r; } } return $string; }
Output for 4.3.0 - 7.1.0