php curl

    function curl($url){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5000);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HTTPHEADER, array('User-Agent: Mozilla/5.0 (iPhone; CPU iPhone OS 8_0 like Mac OS X) AppleWebKit/600.1.3 (KHTML, like Gecko) Version/8.0 Mobile/12A4345d Safari/600.1.4'));
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $contents = curl_exec($ch);
        curl_close($ch);//关闭一打开的会话
        return $contents; 
    }

get

/**
 * curl Get请求函数
 *
 *
 * @url    请求的地址
 * @arr_header   请求头信息
 *
 * */
function doGet($url,$arr_header = null){
    //初始化
    $ch = curl_init();
    /*
    保存cookie到文件中
    $cookie="cookie.txt";

    curl_setopt ($ch, CURLOPT_COOKIEJAR, $cookie);

    curl_setopt ($ch, CURLOPT_COOKIEFILE, $cookie);
    */

    curl_setopt($ch, CURLOPT_URL,$url);

    if(!empty($arr_header)){
        curl_setopt($ch, CURLOPT_HTTPHEADER, $arr_header);
    }

    // 执行后不直接打印出来
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HEADER, false);
    // 跳过证书检查
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
    // 不从证书中检查SSL加密算法是否存在
    curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

    //执行并获取HTML文档内容
    $output = curl_exec($ch);

    //释放curl句柄
    curl_close($ch);

    return $output;
}

post

/**
 * curl post请求函数
 *
 *
 * @url    请求的地址
 * @data   传输的数据
 * @json   是否json传输
 * @arr_header   请求头信息
 *
 * */
function http_request_post($url,$data = null,$json = false,$arr_header = 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)){

        if ($json && is_array($data)) {
            $data = json_encode($data);
        }
        curl_setopt($curl, CURLOPT_POST, 1);
        curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    }
    if(!empty($arr_header)){
        curl_setopt($curl, CURLOPT_HTTPHEADER, $arr_header);
    }
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $output = curl_exec($curl);
    // echo curl_getinfo($curl);
    curl_close($curl);
    unset($curl);
    return $output;
}