3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Foo{ public static function Bar(&$v){ $v = 9000; } } $f = 'Foo::Bar'; $num = 3; $f($num); echo $num;
Output for 7.0.0 - 7.1.0
9000
Output for 5.0.0 - 5.6.28
Fatal error: Call to undefined function Foo::Bar() in /in/KRVIe 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/KRVIe on line 3
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/KRVIe on line 3
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/KRVIe on line 3
Process exited with code 255.