3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL ^ E_NOTICE); ini_set('display_errors', '1'); $parm = $_POST['parm']; $parm = 's'; if(isset($parm['password']) && $parm['password'] == $parm) { echo 'ok'; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined array key "parm" in /in/jEEYD on line 6
Output for 5.4.38 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Output for 5.0.0 - 5.0.2, 5.4.0 - 5.4.37
Warning: ini_set() has been disabled for security reasons in /in/jEEYD on line 4
Output for 4.3.5 - 4.3.11, 4.4.0 - 4.4.9, 5.0.3 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
Warning: ini_set() has been disabled for security reasons in /in/jEEYD on line 4 ok
Output for 4.3.1 - 4.3.4
Warning: ini_set,pcntl_fork() has been disabled for security reasons in /in/jEEYD on line 4 ok
Output for 4.3.0
ok
preferences:
220.22 ms | 401 KiB | 328 Q