3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A { static function foo() { echo "A\n"; } } class B extends A { } $cb = array('B', 'self::foo'); call_user_func($cb);
based on pSTna
Output for 5.3.0 - 5.6.28, 7.0.0 - 7.1.0
A
Output for hhvm-3.10.0 - 3.12.0
Warning: behavior of call_user_func(array('B', 'self::foo')) is undefined in /in/KdXLo on line 13 A
Output for 5.0.0 - 5.2.17
Warning: call_user_func(B::self::foo): First argument is expected to be a valid callback in /in/KdXLo on line 13
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KdXLo 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_STATIC, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/KdXLo 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/KdXLo on line 5
Process exited with code 255.