3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $file=basename($_SERVER[PHP_SELF]); echo $file; ?>
Output for 7.2.0
Warning: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' (this will throw an Error in a future version of PHP) in /in/5Od6O on line 2 5Od6O
Output for 5.2.3 - 7.1.10
Notice: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' in /in/5Od6O on line 2 5Od6O
Output for 4.3.0 - 5.2.2
Notice: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' in /in/5Od6O on line 2