3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo { protected $bar = 23; public function getBar() { return $this->bar; } public function getBaz() { return NULL; } } $foo = new Foo(); var_dump(empty($foo->getBar())); var_dump(empty($foo->getBaz()));
based on Sf0L4
Output for 5.5.24 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
bool(false) bool(true)
Output for 5.0.0 - 5.4.45
Fatal error: Can't use method return value in write context in /in/qpltk on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qpltk 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_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qpltk on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/qpltk on line 5
Process exited with code 255.