protected function getRealKey($key)
    {
        if ($alias = array_search($key, $this->aliases, true)) {
            $key = $alias;
        }

        return $key;
    }
protected function getRealKey($key)
    {
        if ($alias = array_search($key, $this->aliases, true)) {
            $key = $alias;
        }

        return $key;
    }
protected function getRealKey ( $ key ) { if ( $ alias = array_search ( $ key , $ this -> aliases , true ) ) { $ key = $ alias ; } return $ key ; }
Return the raw name of attribute.

@param string $key

@return string
Return the raw name of attribute .