3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = false; var_dump(empty($a)); var_dump(empty(false));
Output for 5.5.24 - 7.1.0
bool(true) bool(true)
Output for 5.4.0 - 5.4.45
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/5VhmH on line 6
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/5VhmH on line 6
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/5VhmH on line 6
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/5VhmH on line 6
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/5VhmH on line 6
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/5VhmH on line 6
Process exited with code 255.