public function testRest() { $numbers = array(1, 2, 3, 4); // from js $this->assertEquals(array(2, 3, 4), __::rest($numbers), 'working rest()'); $this->assertEquals(array(1, 2, 3, 4), __::rest($numbers, 0), 'working rest(0)'); $this->assertEquals(array(3, 4), __::rest($numbers, 2), 'rest can take an index'); $result = __::map(array(array(1, 2, 3), array(1, 2, 3)), function ($vals) { return __::rest($vals); }); $this->assertEquals('2,3,2,3', join(',', __::flatten($result)), 'works well with __::map'); // extra $this->assertEquals(array('b', 'c'), __::tail(array('a', 'b', 'c'))); // docs $this->assertEquals(array(4, 3, 2, 1), __::rest(array(5, 4, 3, 2, 1))); }