php获取天气

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public function getWeather()
    {
        //方法1：
        $url = 'http://wthrcdn.etouch.cn/weather_mini?city=北京';
        $html = file_get_contents($url);
        echo gzdecode($html);
        // 方法2
        $ch = curl_init();
        $timeout = 5;
        curl_setopt($ch, CURLOPT_URL, 'http://wthrcdn.etouch.cn/weather_mini?city=北京');
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
//        curl_setopt($ch,CURLOPT_ENCODING ,'gzip');
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
        $file_contents = curl_exec($ch);
        curl_close($ch);

        echo gzdecode($file_contents);
    }