Jak złapać błędy zwijania w PHP

Question

Używam funkcji PHP curl do publikowania danych na serwerze WWW z mojego komputera lokalnego. Mój kod jest następujący:

$c = curl_init(); 
curl_setopt($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); 

Niestety nie jestem w stanie złapać żadnych błędów, takich jak 404, 500 lub awaria sieci. W jaki sposób mogę się dowiedzieć, że dane nie zostały wysłane do zdalnego sterownika lub wyszukane?

Answer 1

Można użyć funkcji curl_error() wiedzieć, czy to był jakiś błąd, na przykład:

if(curl_error($c)) 
{ 
    echo 'error:' . curl_error($c); 
} 

See the description of curl error codes here

Answer 2

Jeśli CURLOPT_FAILONERROR jest false błędy HTTP nie wywoła curl błędów.

<?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/>"; 
} 

Answer 3

można wygenerować curl błąd po jego wykonaniu

$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); 
} 

i oto curl kod błędu

jeśli ktoś potrzebuje więcej informacji o błędach curl

<?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'); 

    ?>