http_curl

public  function http_curl($url,$type='get',$res='json',$arr=''){
    /*
    $url 请求的url
    $type 请求类型
    $res 返回数据类型
    $arr post请求参数
     */
    $ch=curl_init();
    /*$url='https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wxf71d53c65df41aab&secret=e31e44c35067fb75759f53eed1cb1b26';  */
    curl_setopt($ch,CURLOPT_URL,$url);
    curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
    if($type=='post'){
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_POSTFIELDS,$arr);
    }
    $output = curl_exec($ch);
    curl_close($ch);
    if($res=='json'){
        return json_decode($output,true);
    }
}