/** * Get the items with the specified keys. * * @param mixed $keys * * @return static */ public function only($keys) { $keys = is_array($keys) ? $keys : func_get_args(); return new static(Arr::only($this->items, $keys)); }
public function testOnly() { $array = ['name' => 'Desk', 'price' => 100, 'orders' => 10]; $array = Arr::only($array, ['name', 'price']); $this->assertEquals(['name' => 'Desk', 'price' => 100], $array); }