public function getConstValue($prefix, $id, $key)
    {
        $consts = $this->getConsts($prefix);

        return isset($consts[$id][$key]) ? $consts[$id][$key] : null;
    }
public function getConstValue($prefix, $id, $key)
    {
        $consts = $this->getConsts($prefix);

        return isset($consts[$id][$key]) ? $consts[$id][$key] : null;
    }
public function getConstValue ( $ prefix , $ id , $ key ) { $ consts = $ this -> getConsts ( $ prefix ) ; return isset ( $ consts [ $ id ] [ $ key ] ) ? $ consts [ $ id ] [ $ key ] : null ; }
Returns the constant value by specified id and key

@param string $prefix
@param int $id
@param string $key
@return mixed
Returns the constant value by specified id and key