Get information regarding a specific transfer_脚本学堂

说明

mixed curl_getinfo ( resource $ch [, int $opt=0 ] )

Gets information about the last transfer,

参数

ch

A cURL handle returned by curl_init().

opt

This may be one of the following constants:

CURLINFO_EFFECTIVE_URL - Last effective URL
CURLINFO_HTTP_CODE - Last received HTTP code
CURLINFO_FILETIME - Remote time of the retrieved document, if -1 is returned the time of the document is unknown
CURLINFO_TOTAL_TIME - Total transaction time in seconds for last transfer
CURLINFO_NAMELOOKUP_TIME - Time in seconds until name resolving was complete
CURLINFO_CONNECT_TIME - Time in seconds it took to establish the connection
CURLINFO_PRETRANSFER_TIME - Time in seconds from start until just before file transfer begins
CURLINFO_STARTTRANSFER_TIME - Time in seconds until the first byte is about to be transferred
CURLINFO_REDIRECT_TIME - Time in seconds of all redirection steps before final transaction was started
CURLINFO_SIZE_UPLOAD - Total number of bytes uploaded
CURLINFO_SIZE_DOWNLOAD - Total number of bytes downloaded
CURLINFO_SPEED_DOWNLOAD - Average download speed
CURLINFO_SPEED_UPLOAD - Average upload speed
CURLINFO_HEADER_SIZE - Total size of all headers received
CURLINFO_HEADER_OUT - The request string sent. Available since PHP 5.1.3
CURLINFO_REQUEST_SIZE - Total size of issued requests, currently only for HTTP requests
CURLINFO_SSL_VERIFYRESULT - Result of SSL certification verification requested by setting CURLOPT_SSL_VERIFYPEER
CURLINFO_CONTENT_LENGTH_DOWNLOAD - content-length of download, read from Content-Length: field
CURLINFO_CONTENT_LENGTH_UPLOAD - Specified size of upload
CURLINFO_CONTENT_TYPE - Content-type of downloaded object, NULL indicates server did not send valid Content-Type: header

返回值

If opt is given, returns its value as a string. Otherwise, returns an associative array with the following elements (which correspond to opt ):

"url"
"content_type"
"http_code"
"header_size"
"request_size"
"filetime"
"ssl_verify_result"
"redirect_count"
"total_time"
"namelookup_time"
"connect_time"
"pretransfer_time"
"size_upload"
"size_download"
"speed_download"
"speed_upload"
"download_content_length"
"upload_content_length"
"starttransfer_time"
"redirect_time"

范例

Example #1 curl_getinfo() example


<?php
// Create a curl handle to a non-existing location
$ch = curl_init('http://www.yahoo.com/');

// Execute
curl_exec($ch);

// Check if any error occured
if(!curl_errno($ch))
{
    $info = curl_getinfo($ch);

    echo 'Took ' . $info['total_time'] . ' seconds to send a request to ' . $info['url'];
}

// Close handle
curl_close($ch);
?>