3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo empty('0') === true;
Output for 5.5.24 - 7.1.0
1
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ''0'' (T_CONSTANT_ENCAPSED_STRING) in /in/cE3uH on line 1
Process exited with code 255.