Lithium Docs

						public function testShiftDefaultOne() {
		$request = new Request();
		$request->params = array(
			'command' => 'one', 'action' => 'two',
			'args' => array('three', 'four', 'five')
		);
		$request->shift();

		$expected = array('command' => 'two', 'action' => 'three', 'args' => array('four', 'five'));
		$this->assertEqual($expected, $request->params);
	}