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curl_errno

(PHP 4 >= 4.0.3, PHP 5, PHP 7, PHP 8)

curl_errno — 返回最后一次的错误代码

说明

curl_errno(CurlHandle $handle): int

返回最后一次 cURL 操作的错误代码。

参数

handle: 由 curl_init() 返回的 cURL 句柄。

返回值

返回错误代码或在没有错误发生时返回 0 (零)。

更新日志

版本	说明
8.0.0	`handle` 现在接受 CurlHandle 实例；之前接受 resource。

示例

示例 #1 curl_errno() 示例

<?php
// 创建 cURL 句柄，指向不存在的位置
$ch = curl_init('http://404.php.net/');

// 执行
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_exec($ch);

// 检查是否有错误发生
if(curl_errno($ch))
{
    echo 'Curl error: ' . curl_error($ch);
}

// 关闭句柄
curl_close($ch);
?>

参见

curl_error() - 返回当前会话最后一次错误的字符串
» Curl 错误代码

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User Contributed Notes 10 notes

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129

denis at reddodo dot com ¶

12 years ago

if someone need more information about curl errors
<?php
$error_codes=array(
[1] => 'CURLE_UNSUPPORTED_PROTOCOL', 
[2] => 'CURLE_FAILED_INIT', 
[3] => 'CURLE_URL_MALFORMAT', 
[4] => 'CURLE_URL_MALFORMAT_USER', 
[5] => 'CURLE_COULDNT_RESOLVE_PROXY', 
[6] => 'CURLE_COULDNT_RESOLVE_HOST', 
[7] => 'CURLE_COULDNT_CONNECT', 
[8] => 'CURLE_FTP_WEIRD_SERVER_REPLY',
[9] => 'CURLE_REMOTE_ACCESS_DENIED',
[11] => 'CURLE_FTP_WEIRD_PASS_REPLY',
[13] => 'CURLE_FTP_WEIRD_PASV_REPLY',
[14]=>'CURLE_FTP_WEIRD_227_FORMAT',
[15] => 'CURLE_FTP_CANT_GET_HOST',
[17] => 'CURLE_FTP_COULDNT_SET_TYPE',
[18] => 'CURLE_PARTIAL_FILE',
[19] => 'CURLE_FTP_COULDNT_RETR_FILE',
[21] => 'CURLE_QUOTE_ERROR',
[22] => 'CURLE_HTTP_RETURNED_ERROR',
[23] => 'CURLE_WRITE_ERROR',
[25] => 'CURLE_UPLOAD_FAILED',
[26] => 'CURLE_READ_ERROR',
[27] => 'CURLE_OUT_OF_MEMORY',
[28] => 'CURLE_OPERATION_TIMEDOUT',
[30] => 'CURLE_FTP_PORT_FAILED',
[31] => 'CURLE_FTP_COULDNT_USE_REST',
[33] => 'CURLE_RANGE_ERROR',
[34] => 'CURLE_HTTP_POST_ERROR',
[35] => 'CURLE_SSL_CONNECT_ERROR',
[36] => 'CURLE_BAD_DOWNLOAD_RESUME',
[37] => 'CURLE_FILE_COULDNT_READ_FILE',
[38] => 'CURLE_LDAP_CANNOT_BIND',
[39] => 'CURLE_LDAP_SEARCH_FAILED',
[41] => 'CURLE_FUNCTION_NOT_FOUND',
[42] => 'CURLE_ABORTED_BY_CALLBACK',
[43] => 'CURLE_BAD_FUNCTION_ARGUMENT',
[45] => 'CURLE_INTERFACE_FAILED',
[47] => 'CURLE_TOO_MANY_REDIRECTS',
[48] => 'CURLE_UNKNOWN_TELNET_OPTION',
[49] => 'CURLE_TELNET_OPTION_SYNTAX',
[51] => 'CURLE_PEER_FAILED_VERIFICATION',
[52] => 'CURLE_GOT_NOTHING',
[53] => 'CURLE_SSL_ENGINE_NOTFOUND',
[54] => 'CURLE_SSL_ENGINE_SETFAILED',
[55] => 'CURLE_SEND_ERROR',
[56] => 'CURLE_RECV_ERROR',
[58] => 'CURLE_SSL_CERTPROBLEM',
[59] => 'CURLE_SSL_CIPHER',
[60] => 'CURLE_SSL_CACERT',
[61] => 'CURLE_BAD_CONTENT_ENCODING',
[62] => 'CURLE_LDAP_INVALID_URL',
[63] => 'CURLE_FILESIZE_EXCEEDED',
[64] => 'CURLE_USE_SSL_FAILED',
[65] => 'CURLE_SEND_FAIL_REWIND',
[66] => 'CURLE_SSL_ENGINE_INITFAILED',
[67] => 'CURLE_LOGIN_DENIED',
[68] => 'CURLE_TFTP_NOTFOUND',
[69] => 'CURLE_TFTP_PERM',
[70] => 'CURLE_REMOTE_DISK_FULL',
[71] => 'CURLE_TFTP_ILLEGAL',
[72] => 'CURLE_TFTP_UNKNOWNID',
[73] => 'CURLE_REMOTE_FILE_EXISTS',
[74] => 'CURLE_TFTP_NOSUCHUSER',
[75] => 'CURLE_CONV_FAILED',
[76] => 'CURLE_CONV_REQD',
[77] => 'CURLE_SSL_CACERT_BADFILE',
[78] => 'CURLE_REMOTE_FILE_NOT_FOUND',
[79] => 'CURLE_SSH',
[80] => 'CURLE_SSL_SHUTDOWN_FAILED',
[81] => 'CURLE_AGAIN',
[82] => 'CURLE_SSL_CRL_BADFILE',
[83] => 'CURLE_SSL_ISSUER_ERROR',
[84] => 'CURLE_FTP_PRET_FAILED',
[84] => 'CURLE_FTP_PRET_FAILED',
[85] => 'CURLE_RTSP_CSEQ_ERROR',
[86] => 'CURLE_RTSP_SESSION_ERROR',
[87] => 'CURLE_FTP_BAD_FILE_LIST',
[88] => 'CURLE_CHUNK_FAILED');

?>

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nimasdj AT yahoo [DOT] com ¶

8 years ago

To coder.ua[at]gmail.com:

Please note some errors have more than one constants:

[CURLE_FTP_PARTIAL_FILE]    18
[CURLE_PARTIAL_FILE]    18

[CURLE_HTTP_NOT_FOUND]    22
[CURLE_HTTP_RETURNED_ERROR]    22

[CURLE_OPERATION_TIMEDOUT]    28
[CURLE_OPERATION_TIMEOUTED]    28

[CURLE_BAD_DOWNLOAD_RESUME]    36
[CURLE_FTP_BAD_DOWNLOAD_RESUME]    36

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bozo_z_clown at yahoo dot com ¶

14 years ago

Note that you can detect errors using curl_multi_info_read() in the curl_multi_exec() loop that don't show up later using curl_errno().  This seems particularly true of connection errors.

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cubefox at web dot NOSPAMPLEASE dot de ¶

3 years ago

The manual above only mentions how to get an error description from the cURL handle ($ch) using curl_error():
<?php
$description = curl_error($ch);
?>

But you can also get a description from the error number itself using curl_strerror():
<?php
$description = curl_strerror(curl_errno($ch));
?>

The latter can be useful if you only have access to the error number but not to the cURL handle.

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coder.ua[at]gmail.com ¶

10 years ago

All available curl error constants and values in PHP 5.4.7 on FreeBSD 8.2-RELEASE:

CURLE_UNSUPPORTED_PROTOCOL => 1
CURLE_FAILED_INIT => 2
CURLE_URL_MALFORMAT => 3
CURLE_URL_MALFORMAT_USER => 4
CURLE_COULDNT_RESOLVE_PROXY => 5
CURLE_COULDNT_RESOLVE_HOST => 6
CURLE_COULDNT_CONNECT => 7
CURLE_FTP_WEIRD_SERVER_REPLY => 8
CURLE_FTP_ACCESS_DENIED => 9
CURLE_FTP_USER_PASSWORD_INCORRECT => 10
CURLE_FTP_WEIRD_PASS_REPLY => 11
CURLE_FTP_WEIRD_USER_REPLY => 12
CURLE_FTP_WEIRD_PASV_REPLY => 13
CURLE_FTP_WEIRD_227_FORMAT => 14
CURLE_FTP_CANT_GET_HOST => 15
CURLE_FTP_CANT_RECONNECT => 16
CURLE_FTP_COULDNT_SET_BINARY => 17
CURLE_PARTIAL_FILE => 18
CURLE_FTP_COULDNT_RETR_FILE => 19
CURLE_FTP_WRITE_ERROR => 20
CURLE_FTP_QUOTE_ERROR => 21
CURLE_HTTP_NOT_FOUND => 22
CURLE_WRITE_ERROR => 23
CURLE_MALFORMAT_USER => 24
CURLE_FTP_COULDNT_STOR_FILE => 25
CURLE_READ_ERROR => 26
CURLE_OUT_OF_MEMORY => 27
CURLE_OPERATION_TIMEOUTED => 28
CURLE_FTP_COULDNT_SET_ASCII => 29
CURLE_FTP_PORT_FAILED => 30
CURLE_FTP_COULDNT_USE_REST => 31
CURLE_FTP_COULDNT_GET_SIZE => 32
CURLE_HTTP_RANGE_ERROR => 33
CURLE_HTTP_POST_ERROR => 34
CURLE_SSL_CONNECT_ERROR => 35
CURLE_FTP_BAD_DOWNLOAD_RESUME => 36
CURLE_FILE_COULDNT_READ_FILE => 37
CURLE_LDAP_CANNOT_BIND => 38
CURLE_LDAP_SEARCH_FAILED => 39
CURLE_LIBRARY_NOT_FOUND => 40
CURLE_FUNCTION_NOT_FOUND => 41
CURLE_ABORTED_BY_CALLBACK => 42
CURLE_BAD_FUNCTION_ARGUMENT => 43
CURLE_BAD_CALLING_ORDER => 44
CURLE_HTTP_PORT_FAILED => 45
CURLE_BAD_PASSWORD_ENTERED => 46
CURLE_TOO_MANY_REDIRECTS => 47
CURLE_UNKNOWN_TELNET_OPTION => 48
CURLE_TELNET_OPTION_SYNTAX => 49
CURLE_OBSOLETE => 50
CURLE_SSL_PEER_CERTIFICATE => 51
CURLE_GOT_NOTHING => 52
CURLE_SSL_ENGINE_NOTFOUND => 53
CURLE_SSL_ENGINE_SETFAILED => 54
CURLE_SEND_ERROR => 55
CURLE_RECV_ERROR => 56
CURLE_SHARE_IN_USE => 57
CURLE_SSL_CERTPROBLEM => 58
CURLE_SSL_CIPHER => 59
CURLE_SSL_CACERT => 60
CURLE_BAD_CONTENT_ENCODING => 61
CURLE_LDAP_INVALID_URL => 62
CURLE_FILESIZE_EXCEEDED => 63
CURLE_FTP_SSL_FAILED] => 64

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david at liip dot ch ¶

11 years ago

you should look on http://php.net/manual/en/curl.constants.php for the error codes, not on the linked official curl doc. some of the error codes are different, at least the one mentioned on the other page:

in PHP the curl error number 28 is called

CURLE_OPERATION_TIMEOUTED

while in the official site is:

CURLE_OPERATION_TIMEDOUT

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nono303 ¶

1 year ago

CURLcode v7.81 reversed array for PHP  (from \curl\include\curl\curl.h l.495)
https://gist.github.com/nono303/de1256f55e26fdbcc3e0d72e397ac4a1

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gmail@asmqb7 ¶

4 years ago

/!\ ATTENTION if you are using curl multi handles

This function returns 0 in error conditions when run on curl handles accessed via curl_multi_info_read().

You must look at the data returned by curl_multi_info_read() for the true errno. The data is over there instead.

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-3

Eugene Kunkel ¶

6 years ago

Gets a current list of all CURLE_* error constants, their applicable error messages, and their applicable error codes. Useful for making wrapper classes or for mapping cURL errors to specific Exception objects.

<?php

$list   = get_defined_constants(TRUE);
$list   = preg_grep('/^CURLE_/', array_flip($list['curl']));
$result = array();

foreach ($list as $const) {
    $result[$const] = array
    (
        'code'    => constant($const),
        'message' => curl_strerror(constant($const))
    );
}

echo "<pre>";
echo print_r($result, TRUE);
echo "</pre>";

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-9

Jacques Manukyan ¶

15 years ago

The error codes come directly from the curl source code. Specifically, look at the curl.h file and it will tell you exactly what each returned code does.

Most of these codes are cryptic but at least you can get a clue as to what the errors are.

Here is a quick snippet of what the errors in the curl.h look like:

  CURLE_OK = 0,
  CURLE_UNSUPPORTED_PROTOCOL,    /* 1 */
  CURLE_FAILED_INIT,             /* 2 */
  CURLE_URL_MALFORMAT,           /* 3 */
  CURLE_URL_MALFORMAT_USER,      /* 4 - NOT USED */
  CURLE_COULDNT_RESOLVE_PROXY,   /* 5 */
  CURLE_COULDNT_RESOLVE_HOST,    /* 6 */
  CURLE_COULDNT_CONNECT,         /* 7 */
  CURLE_FTP_WEIRD_SERVER_REPLY,  /* 8 */

Note that code 0 means its not an error, it means success.

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