public function getAttributeInGroup($group, $key)
    {
        if (isset($this->attributes[$group][$key])) {
            return $this->attributes[$group][$key];
        }

        return null;
    }
public function getAttributeInGroup($group, $key)
    {
        if (isset($this->attributes[$group][$key])) {
            return $this->attributes[$group][$key];
        }

        return null;
    }
public function getAttributeInGroup ( $ group , $ key ) { if ( isset ( $ this -> attributes [ $ group ] [ $ key ] ) ) { return $ this -> attributes [ $ group ] [ $ key ] ; } return null ; }
Get attribute by group and key. It will return null if doesn't exists

@param array $group
@param string $key

@return string|null
Get attribute by group and key . It will return null if doesn t exists