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PHP

Get information regarding a specific transfer


curl_getinfo

(PHP 4 >= 4.0.4, PHP 5)

curl_getinfoGet information regarding a specific transfer

Description

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

Gets information about the last transfer.

Parameters

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_COUNT - Number of redirects
  • 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. For this to work, add the CURLINFO_HEADER_OUT option to the handle by calling curl_setopt()
  • 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 the requested document, NULL indicates server did not send valid Content-Type: header

Return Values

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

  • "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"
  • "certinfo"
  • "request_header" (This is only set if the CURLINFO_HEADER_OUT is set by a previous call to curl_setopt())

Changelog

Version Description
5.1.3 Introduced CURLINFO_HEADER_OUT.

Examples

Example #1 curl_getinfo() example

<?php
// Create a curl handle
$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);
?>

Notes

Note:

Information gathered by this function is kept if the handle is re-used. This means that unless a statistic is overridden internally by this function, the previous info is returned.



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