public function testLambdaAnswerAcceptsOldschoolLambda() { $func = function ($arg1) { return $arg1; }; $answer = new Phake_Stubber_Answers_LambdaAnswer($func); $result = call_user_func($answer->getAnswerCallback('someObject', 'testMethod'), 'bar'); $this->assertSame("bar", $result); }