3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo $_SERVER['PHP_SELF']; echo "<br>"; echo $_SERVER['GATEWAY_INTERFACE'];
based on B5tNg
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
/in/DSAjv<br> Notice: Undefined index: GATEWAY_INTERFACE in /in/DSAjv on line 6
Output for 5.2.3 - 5.2.17
/in/DSAjv<br> Notice: Undefined index: GATEWAY_INTERFACE in /in/DSAjv on line 6
Output for 4.3.0 - 5.2.2
<br> Notice: Undefined index: GATEWAY_INTERFACE in /in/DSAjv on line 6