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run code in 150+ php & hhvm versions
Bugs & Features
<?php $zero = 0; var_dump(isset($zero)); var_dump(isset(NULL)); var_dump(empty($zero)); var_dump(empty(NULL)); var_dump(is_null($zero)); var_dump(is_null(NULL));
based on IvfqR
Output for hhvm-3.10.0 - 3.12.0
bool(true) bool(false) bool(true) bool(true) bool(false) bool(true)
Output for 5.4.0 - 5.4.32
Parse error: syntax error, unexpected ')', expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/suZIi on line 5
Process exited with code 255.
Output for 5.1.0 - 5.3.29
Parse error: syntax error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/suZIi on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ')', expecting T_PAAMAYIM_NEKUDOTAYIM in /in/suZIi on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/suZIi on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_VARIABLE or '$' in /in/suZIi on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_VARIABLE' or `'$'' in /in/suZIi on line 5
Process exited with code 255.