3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?= htmlspecialchars($_SERVER[PHP_SELF]) ?>
Output for 7.2.0 - 7.3.1
Warning: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' (this will throw an Error in a future version of PHP) in /in/Pegof on line 1 /in/Pegof
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.1.25
Notice: Use of undefined constant PHP_SELF - assumed 'PHP_SELF' in /in/Pegof on line 1 /in/Pegof