public function get($i = 0)
	{
		return count($this->models) > $i && $i >= 0 ? $this->models[$i] : null;
	}
public function get($i = 0)
	{
		return count($this->models) > $i && $i >= 0 ? $this->models[$i] : null;
	}
Return i-th element (if 0 <= i < size)

@return Model|null