FOF30\Utils\Collection::make PHP Méthode

    public static function make($items)
    {
        if (is_null($items)) {
            return new static();
        }
        if ($items instanceof Collection) {
            return $items;
        }
        return new static(is_array($items) ? $items : array($items));
    }

 public function testMakeMethod()
 {
     $collection = Collection::make('foo');
     $this->assertEquals(array('foo'), $collection->all());
 }