3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo empty(false);
based on ua0Ff
Output for 5.5.0 - 5.6.23, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
1
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/u68i1 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/u68i1 on line 2
Process exited with code 255.