public function testHas()
{
$array = ['products' => ['desk' => ['price' => 100]]];
$this->assertTrue(Arr::has($array, 'products.desk'));
$this->assertTrue(Arr::has($array, 'products.desk.price'));
$this->assertFalse(Arr::has($array, 'products.foo'));
$this->assertFalse(Arr::has($array, 'products.desk.foo'));
}
