3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $username = 'skope'; $timestamp = microtime(); $hash = substr(sha1(implode([$username, $timestamp]), 0, 20); var_dump($hash); var_dump(strlen($hash));
based on Q0VrA
Output for 7.0.0
Parse error: syntax error, unexpected ';', expecting ',' or ')' in /in/cHn6q on line 6
Process exited with code 255.
Output for 5.4.10 - 5.6.16
Parse error: syntax error, unexpected ';' in /in/cHn6q on line 6
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[', expecting ')' in /in/cHn6q on line 6
Process exited with code 255.