3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo isset('null');
Output for hhvm-3.10.0 - 3.12.0
1
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected ''null'' (T_CONSTANT_ENCAPSED_STRING) in /in/Feqpo on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/Feqpo on line 3
Process exited with code 255.