3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class x { const CONSTANT = 'const'; public static function func() { return __METHOD__; } } function call(callable $func) { $func(); } $class = 'x'; $function = 'func'; $classFunc1 = array($class, $function); $classFunc2 = $class . '::' . $function; var_dump($class::func()); var_dump($class::$function()); var_dump($classFunc1()); //var_dump($classFunc2()); var_dump(call($class::func())); var_dump(call($class::$function())); var_dump(call($classFunc1())); // var_dump(call($classFunc2()));
Output for hhvm-3.12.0, 7.0.0 - 7.1.0
string(7) "x::func" string(7) "x::func" string(7) "x::func" NULL NULL NULL
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.6.28
string(7) "x::func" string(7) "x::func" string(7) "x::func" Fatal error: Call to undefined function x::func() in /in/Dc5Dh on line 11
Process exited with code 255.
Output for 5.3.0 - 5.3.29
string(7) "x::func" string(7) "x::func" Fatal error: Function name must be a string in /in/Dc5Dh on line 21
Process exited with code 255.
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Dc5Dh on line 19
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_PAAMAYIM_NEKUDOTAYIM in /in/Dc5Dh on line 19
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Dc5Dh on line 4
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_CONST, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/Dc5Dh on line 4
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/Dc5Dh on line 4
Process exited with code 255.