3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<? $ip=$_SERVER[REMOTE_ADDR]; echo $ip; ?>
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Notice: Use of undefined constant REMOTE_ADDR - assumed 'REMOTE_ADDR' in /in/miHoZ on line 2 Notice: Undefined index: REMOTE_ADDR in /in/miHoZ on line 2
Output for hhvm-3.10.0

Process exited with code 153.
Output for 4.3.0 - 5.3.29
<? $ip=$_SERVER[REMOTE_ADDR]; echo $ip; ?>