Online PHP editor | output for Wtas7

<?php function foo(int $x, int $a, int $b = 2) { var_dump($x, $a, $b); } $rf = new ReflectionFunction("foo"); $rf->invokeArgs([1 => 0, 0 => 1, "b" => 6]); class Foo { public function __construct(int $x, int $a, int $b = 2) { var_dump($x, $a, $b); } public function method(int $x, int $a, int $b = 2) { var_dump($x, $a, $b); } } $rc = new ReflectionClass(Foo::class); $instance = $rc->newInstanceArgs([1 => 0, 0 => 1, "b" => 6]); $rc->getMethod("method")->invokeArgs($instance, [1 => 0, 0 => 1, "b" => 6]);