PHP curl
functions を使用して、ローカルマシンからWebサーバーにデータを送信しています。私のコードは次のとおりです。
$c = curl_init();
curl_setopt($c, CURLOPT_URL, $url);
curl_setopt($c, CURLOPT_RETURNTRANSFER, true);
curl_setopt($c, CURLOPT_POST, true);
curl_setopt($c, CURLOPT_POSTFIELDS, $data);
$result = curl_exec($c);
if (curl_exec($c) === false) {
echo "ok";
} else {
echo "error";
}
curl_close($c);
残念ながら、404、500、またはネットワーク障害などのエラーをキャッチすることはできません。それでは、データがリモートに投稿または取得されなかったことをどのようにして知ることができますか?
curl_error()
関数を使用して、エラーが発生したかどうかを検出できます。例えば:
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $your_url);
curl_setopt($ch, CURLOPT_FAILONERROR, true); // Required for HTTP error codes to be reported via our call to curl_error($ch)
//...
curl_exec($ch);
if (curl_error($ch)) {
$error_msg = curl_error($ch);
}
curl_close($ch);
if (isset($error_msg)) {
// TODO - Handle cURL error accordingly
}
CURLOPT_FAILONERROR
がfalse
の場合、httpエラーはcurl
エラーをトリガーしません。
<?php
if (@$_GET['curl']=="yes") {
header('HTTP/1.1 503 Service Temporarily Unavailable');
} else {
$ch=curl_init($url = "http://".$_SERVER['SERVER_NAME'].$_SERVER['PHP_SELF']."?curl=yes");
curl_setopt($ch, CURLOPT_FAILONERROR, true);
$response=curl_exec($ch);
$http_status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$curl_errno= curl_errno($ch);
if ($http_status==503)
echo "HTTP Status == 503 <br/>";
echo "Curl Errno returned $curl_errno <br/>";
}
実行後にcurlエラーを生成できます
$url = 'http://example.com';
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$result = curl_exec($ch);
if(curl_errno($ch)){
echo 'Request Error:' . curl_error($ch);
}
そして、ここにカールエラーコードがあります
誰かがカールエラーに関する詳細情報を必要とする場合
<?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');
?>
ネットワーク関連のエラーとHTTPエラーをキャッチすることに興味があるので、次の方法がより良い方法を提供します。
function curl_error_test($url) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$responseBody = curl_exec($ch);
/*
* if curl_exec failed then
* $responseBody is false
* curl_errno() returns non-zero number
* curl_error() returns non-empty string
* which one to use is up too you
*/
if ($responseBody === false) {
return "CURL Error: " . curl_error($ch);
}
$responseCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
/*
* 4xx status codes are client errors
* 5xx status codes are server errors
*/
if ($responseCode >= 400) {
return "HTTP Error: " . $responseCode;
}
return "No CURL or HTTP Error";
}
テスト:
curl_error_test("http://expamle.com"); // CURL Error: Could not resolve Host: expamle.com
curl_error_test("http://example.com/whatever"); // HTTP Error: 404
curl_error_test("http://example.com"); // No CURL or HTTP Error
$responseInfo = curl_getinfo($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
$header_size = curl_getinfo($ch, CURLINFO_HEADER_SIZE);
$body = substr($response, $header_size);
$result=array();
$result['httpCode']=$httpCode;
$result['body']=json_decode($body);
$result['responseInfo']=$responseInfo;
print_r($httpCode);
print_r($result['body']); exit;
curl_close($ch);
if($httpCode == 403)
{
print_r("Access denied");
exit;
}
else
{
//catch more errors
}