protected function get_access_token()
{
????if(!cache('wx_access_token')){
????????$appid = "wx0fsfgs2664edde";
????????$appsecret = "7252bd2c6bc4400fgghfhgfh700c";
? ? ? ? $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$appid."&secret=".$appsecret;
????????$res = $this->http_request($url);
????????$result = json_decode($res, true);
????????$access_token = $result["access_token"];
????????cache( 'wx_access_token', $access_token, (intval($result["expires_in"])-200) );
????}
????return cache('wx_access_token');
}
//將access_token存入memcached中
protected function http_request($url, $data = null)
{
????? $curl = curl_init();
????? curl_setopt($curl, CURLOPT_URL, $url);
????? curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
????? curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
????? if (!empty($data))
????????{
? ? ????????? curl_setopt($curl, CURLOPT_POST, 1);
? ? ????? ????curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
? ???? }
????? curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
? ???? $output = curl_exec($curl);
? ???? curl_close($curl);
? ???? return $output;
}