3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = 'bar'; isset($foo) && unset($foo); var_dump(isset($foo));
Output for 5.4.0 - 5.4.34
Parse error: syntax error, unexpected 'unset' (T_UNSET) in /in/qQY8N on line 4
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected T_UNSET in /in/qQY8N on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_UNSET in /in/qQY8N on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/qQY8N on line 4
Process exited with code 255.