src/Potter/Utils/Metabox.php
public function addField($id, array $attributes)
    {
        if (is_string($id) and !isset($attributes['id'])):
            $attributes['id'] = $id;
        endif;

        $this->push($attributes);

        return $this;
    }
public function addField($id, array $attributes)
    {
        if (is_string($id) and !isset($attributes['id'])):
            $attributes['id'] = $id;
        endif;

        $this->push($attributes);

        return $this;
    }
@param string $id
@param array  $attributes

@return $this