if (!function_exists('weather')) {

    function weather($atts, $content = null) {
        $params = shortcode_atts(array(
            'city' => '',
            'country' => '',
                ), $atts);
        $WeatherApi = "http://api.openweathermap.org/data/2.5/weather?q={$params['city']},{$params['country']}";
        $WeatherC = json_decode(@file_get_contents($WeatherApi));
        $f = $WeatherC->main->temp;
        $WeatherF = json_decode(@file_get_contents($WeatherApi . '&units=metric'));
        $c = $WeatherF->main->temp;
        return '<p>' . $c . "/" . $f . '</p>';
    }

}
add_shortcode('weather', 'weather');