protected function filterValues(array $data)
    {
        foreach ($data as $key => $value) {
            if (is_int($key)) {
                unset($data[$key]);
            }
        }

        return $data;
    }
protected function filterValues(array $data)
    {
        foreach ($data as $key => $value) {
            if (is_int($key)) {
                unset($data[$key]);
            }
        }

        return $data;
    }
protected function filterValues ( array $ data ) { foreach ( $ data as $ key => $ value ) { if ( is_int ( $ key ) ) { unset ( $ data [ $ key ] ) ; } } return $ data ; }
Filter out numeric array keys.

@param array $data

@return array
Filter out numeric array keys .