Online PHP editor | refs for aOYqd

<?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()));