PHP 捕捉 cURL CURLOPT_TIMEOUT 和 CURLOPT_CONNECTTIMEOUT 事件并采取行动

Question

我想在检测到 CURLOPT_CONNECTTIMEOUT 和 CURLOPT_TIMEOUT 时进行检测、捕获并执行某些操作。

我该怎么做？

我有以下标题:

public static $userAgents = array(
    'FireFox3' => 'Mozilla/5.0 (Windows; U; Windows NT 5.1; pl; rv:1.9) Gecko/2008052906 Firefox/3.0',
    'GoogleBot' => 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)',
    'IE7' => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)',
    'Netscape' => 'Mozilla/4.8 [en] (Windows NT 6.0; U)',
    'Opera' => 'Opera/9.25 (Windows NT 6.0; U; en)'
);
public static $options = array(
    CURLOPT_USERAGENT => 'Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0)',
    CURLOPT_AUTOREFERER => true,
    CURLOPT_FOLLOWLOCATION => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_FRESH_CONNECT => true,
    CURLOPT_COOKIEJAR => "cookies.txt",
    CURLOPT_COOKIEFILE => "cookies.txt",
    CURLOPT_SSL_VERIFYPEER => false,
    CURLOPT_CONNECTTIMEOUT => 5,
    CURLOPT_TIMEOUT => 300,
        //CURLOPT_COOKIESESSION => false,
);

和下面的函数，其中 $res 是一个包含 html 文件名的数组

public function multiCurl($res, $options = "") {

    if (count($res) <= 0)
        return False;

    $handles = array();

    if (!$options) // add default options
        $options = self::$options;

    // add curl options to each handle
    foreach ($res as $k => $row) {
        $ch{$k} = curl_init();
        $options[CURLOPT_URL] = $row['url'];
        curl_setopt_array($ch{$k}, $options);
        $handles[$k] = $ch{$k};
    }

    $mh = curl_multi_init();

    foreach ($handles as $k => $handle) {
        curl_multi_add_handle($mh, $handle);
    }

    $running_handles = null;
    //execute the handles
    do {
        $status_cme = curl_multi_exec($mh, $running_handles);
    } while ($cme == CURLM_CALL_MULTI_PERFORM);

    while ($running_handles && $status_cme == CURLM_OK) {
        if (curl_multi_select($mh) != -1) {
            do {
                $status_cme = curl_multi_exec($mh, $running_handles);
            } while ($status == CURLM_CALL_MULTI_PERFORM);
        }
    }

    foreach ($res as $k => $row) {
        $res[$k]['error'] = curl_error($handles[$k]);
        if (!empty($res[$k]['error']))
            $res[$k]['data'] = '';
        else {
            //$res[$k]['data'] = curl_multi_getcontent($handles[$k]);  // get results 
            file_put_contents(CRAWLER_FILES . $k . '.html', curl_multi_getcontent($handles[$k]));
        }

        // close current handler
        curl_multi_remove_handle($mh, $handles[$k]);
    }
    curl_multi_close($mh);
    return $res; // return response
}

Answer 1

要获取有关请求的信息，您可以查看 curl_getinfo 或 curl_multi_info_read

然后像这样使用它:

curl_exec($ch);
if(!curl_errno($ch))
{
 $info = curl_getinfo($ch);
 echo 'Took ' . $info['total_time'] . ' seconds to send a request to ' . $info['url'];
}

在信息数组中，您可以接收以下数据:

• “网址”
• “内容类型”
• “http_code”
• “header_size”
• “请求大小”
• “文件时间”
• “ssl_verify_result”
• “redirect_count”
• “总时间”
• “namelookup_time”
• “连接时间”
• “传输前时间”
• “上传大小”
• “size_download”
• “speed_download”
• “speed_upload”
• “下载内容长度”
• “上传内容长度”
• “开始传输时间”
• “重定向时间”
• “证书信息”
• “请求头”(这仅在 CURLINFO_HEADER_OUT 由先前的设置时设置调用 curl_setopt())