3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo empty(0); ?>
Output for 5.5.0 - 5.6.29, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
1
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected '0' (T_LNUMBER) in /in/3C2UR on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected T_LNUMBER in /in/3C2UR on line 2
Process exited with code 255.