3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
if(isset(NULL)) { echo "true\n"; } else { echo "false\n"; }<?php
Output for 5.4.0 - 5.5.5
Parse error: syntax error, unexpected end of file in /in/n11LH on line 1
Process exited with code 255.
Output for 4.3.0 - 5.3.29
if(isset(NULL)) { echo "true\n"; } else { echo "false\n"; }<?php