一个久经考验的PHPCurl操作方法

in 备忘 with 2 comments
function request($url, $type, $data = false, $header = array(), &$err_msg = null, $timeout = 20, $cert_info = array())
    {
        $type = strtoupper($type);
        if ($type == 'GET' && is_array($data)) {
            $data = http_build_query($data);
        }
        $option = array();
        if ($type == 'POST') {
            $option[CURLOPT_POST] = 1;
        }
        if ($data) {
            if ($type == 'POST') {
                $option[CURLOPT_POSTFIELDS] = $data;
            } elseif ($type == 'GET') {
                $url = strpos($url, '?') !== false ? $url . '&' . $data : $url . '?' . $data;
            }
        }
        $option[CURLOPT_URL] = $url;
        $option[CURLOPT_FOLLOWLOCATION] = TRUE;
        $option[CURLOPT_MAXREDIRS] = 4;
        $option[CURLOPT_RETURNTRANSFER] = TRUE;
        $option[CURLOPT_TIMEOUT] = $timeout;
        $option[CURLOPT_USERAGENT] = "Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0)";
        //设置证书信息
        if (!empty($cert_info) && !empty($cert_info['cert_file'])) {
            $option[CURLOPT_SSLCERT] = $cert_info['cert_file'];
            $option[CURLOPT_SSLCERTPASSWD] = $cert_info['cert_pass'];
            $option[CURLOPT_SSLCERTTYPE] = $cert_info['cert_type'];
        }
        //设置CA
        if (!empty($cert_info['ca_file'])) {
            // 对认证证书来源的检查,0表示阻止对证书的合法性的检查。1需要设置CURLOPT_CAINFO
            $option[CURLOPT_SSL_VERIFYPEER] = 1;
            $option[CURLOPT_CAINFO] = $cert_info['ca_file'];
        } else {
            // 对认证证书来源的检查,0表示阻止对证书的合法性的检查。1需要设置CURLOPT_CAINFO
            $option[CURLOPT_SSL_VERIFYPEER] = 0;
            $option[CURLOPT_SSL_VERIFYHOST] = 0;
        }
        $ch = curl_init();
    
        $option[CURLOPT_HTTPHEADER] = $header;
    
        curl_setopt_array($ch, $option);
        $response = curl_exec($ch);
        $curl_no = curl_errno($ch);
        $curl_err = curl_error($ch);
        curl_close($ch);
    
        // error_log
        if ($curl_no > 0) {
            if ($err_msg !== null) {
                $err_msg = '(' . $curl_no . ')' . $curl_err;
            }
        }
        return $response;
    }
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