3v4l.org

run code in 300+ PHP versions simultaneously
<?php $hasTabs = false; $hasDocs = false; foreach($documents as $key => $object){ $info = explode('-',$key); if($info[0] == 'tag'){ $hasTabs = true; } if($info[0] == 'doc' || $info[0] == 'kit'){ $hasDocs = true; } } ?>
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 variable $documents in /in/0WY17 on line 4 Warning: foreach() argument must be of type array|object, null given in /in/0WY17 on line 4
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.36, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.25, 7.4.27 - 7.4.33
Notice: Undefined variable: documents in /in/0WY17 on line 4 Warning: Invalid argument supplied for foreach() in /in/0WY17 on line 4
Output for 4.3.0 - 4.3.10, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 7.3.32 - 7.3.33, 7.4.26
Warning: Invalid argument supplied for foreach() in /in/0WY17 on line 4
Output for 4.3.11

preferences:
165.29 ms | 401 KiB | 348 Q