curl_getinfo
(PHP 4 >= 4.0.4, PHP 5)
curl_getinfo — Get information regarding a specific transfer
说明
mixed curl_getinfo
( resource $ch
[, int $opt
] )
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"