3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php end(explode('.', $_FILES['files']['name'][$key]));
based on LmbaS
Output for 7.0.0 - 7.1.0
Notice: Undefined index: files in /in/BkImB on line 2 Notice: Undefined variable: key in /in/BkImB on line 2 Notice: Only variables should be passed by reference in /in/BkImB on line 2
Output for 5.3.0 - 5.6.28
Notice: Undefined index: files in /in/BkImB on line 2 Notice: Undefined variable: key in /in/BkImB on line 2 Strict Standards: Only variables should be passed by reference in /in/BkImB on line 2
Output for 5.1.0 - 5.2.17
Notice: Undefined index: files in /in/BkImB on line 2 Notice: Undefined variable: key in /in/BkImB on line 2 Strict Standards: Only variables should be passed by reference in /in/BkImB on line 2
Output for 5.0.5
Notice: Undefined variable: key in /in/BkImB on line 2 Notice: Undefined index: files in /in/BkImB on line 2 Fatal error: Only variables can be passed by reference in /in/BkImB on line 2
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: key in /in/BkImB on line 2 Notice: Undefined index: files in /in/BkImB on line 2
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: key in /in/BkImB on line 2 Notice: Undefined index: files in /in/BkImB on line 2