预定义常量

下列常量由此扩展定义，且仅在此扩展编译入 PHP 或在运行时动态载入时可用。

Descriptions and uses for these constants are described within the curl_setopt(), curl_multi_setopt() and curl_getinfo() documentation.

CURLOPT_AUTOREFERER ( integer)

Available since PHP 5.1.0

CURLOPT_COOKIESESSION ( integer)

Available since PHP 5.1.0

CURLOPT_DNS_USE_GLOBAL_CACHE ( integer)

CURLOPT_DNS_CACHE_TIMEOUT ( integer)

CURLOPT_FTP_SSL ( integer)

Available since PHP 5.2.0

CURLFTP_CREATE_DIR ( integer)

Available since PHP 7.0.7 and cURL 7.19.3

CURLFTP_CREATE_DIR_NONE ( integer)

Available since PHP 7.0.7 and cURL 7.19.3

CURLFTP_CREATE_DIR_RETRY ( integer)

Available since PHP 7.0.7 and cURL 7.19.3

CURLFTPSSL_TRY ( integer)

Available since PHP 5.2.0

CURLFTPSSL_ALL ( integer)

Available since PHP 5.2.0

CURLFTPSSL_CONTROL ( integer)

Available since PHP 5.2.0

CURLFTPSSL_NONE ( integer)

Available since PHP 5.2.0

CURLOPT_PRIVATE ( integer)

Available since PHP 5.2.4

CURLOPT_FTPSSLAUTH ( integer)

Available since PHP 5.1.0

CURLOPT_PORT ( integer)

CURLOPT_FILE ( integer)

CURLOPT_INFILE ( integer)

CURLOPT_INFILESIZE ( integer)

CURLOPT_URL ( integer)

CURLOPT_PROXY ( integer)

CURLOPT_VERBOSE ( integer)

CURLOPT_HEADER ( integer)

CURLOPT_HTTPHEADER ( integer)

CURLOPT_NOPROGRESS ( integer)

CURLOPT_NOBODY ( integer)

CURLOPT_FAILONERROR ( integer)

CURLOPT_UPLOAD ( integer)

CURLOPT_POST ( integer)

CURLOPT_FTPLISTONLY ( integer)

CURLOPT_FTPAPPEND ( integer)

CURLOPT_FTP_CREATE_MISSING_DIRS ( integer)

CURLOPT_NETRC ( integer)

CURLOPT_FOLLOWLOCATION ( integer)

This constant is not available when open_basedir or safe_mode are enabled.

CURLOPT_FTPASCII ( integer)

CURLOPT_PUT ( integer)

CURLOPT_MUTE ( integer)

CURLOPT_USERPWD ( integer)

CURLOPT_PROXYUSERPWD ( integer)

CURLOPT_RANGE ( integer)

CURLOPT_TIMEOUT ( integer)

CURLOPT_TIMEOUT_MS ( integer)

CURLOPT_TCP_NODELAY ( integer)

Available since PHP 5.2.1

CURLOPT_POSTFIELDS ( integer)

CURLOPT_PROGRESSFUNCTION ( integer)

Available since PHP 5.3.0

CURLOPT_REFERER ( integer)

CURLOPT_USERAGENT ( integer)

CURLOPT_FTPPORT ( integer)

CURLOPT_FTP_USE_EPSV ( integer)

CURLOPT_LOW_SPEED_LIMIT ( integer)

CURLOPT_LOW_SPEED_TIME ( integer)

CURLOPT_RESUME_FROM ( integer)

CURLOPT_COOKIE ( integer)

CURLOPT_SSLCERT ( integer)

CURLOPT_SSLCERTPASSWD ( integer)

CURLOPT_WRITEHEADER ( integer)

CURLOPT_SSL_VERIFYHOST ( integer)

CURLOPT_COOKIEFILE ( integer)

CURLOPT_SSLVERSION ( integer)

CURL_SSLVERSION_DEFAULT ( integer)

CURL_SSLVERSION_TLSv1 ( integer)

CURL_SSLVERSION_SSLv2 ( integer)

CURL_SSLVERSION_SSLv3 ( integer)

CURL_SSLVERSION_TLSv1_0 ( integer)

Available since PHP 5.5.19 and 5.6.3

CURL_SSLVERSION_TLSv1_1 ( integer)

Available since PHP 5.5.19 and 5.6.3

CURL_SSLVERSION_TLSv1_2 ( integer)

Available since PHP 5.5.19 and 5.6.3

CURLOPT_TIMECONDITION ( integer)

CURLOPT_TIMEVALUE ( integer)

CURLOPT_CUSTOMREQUEST ( integer)

CURLOPT_STDERR ( integer)

CURLOPT_TRANSFERTEXT ( integer)

CURLOPT_RETURNTRANSFER ( integer)

CURLOPT_QUOTE ( integer)

CURLOPT_POSTQUOTE ( integer)

CURLOPT_INTERFACE ( integer)

CURLOPT_KRB4LEVEL ( integer)

CURLOPT_HTTPPROXYTUNNEL ( integer)

CURLOPT_FILETIME ( integer)

CURLOPT_WRITEFUNCTION ( integer)

CURLOPT_READFUNCTION ( integer)

CURLOPT_PASSWDFUNCTION ( integer)

CURLOPT_HEADERFUNCTION ( integer)

CURLOPT_MAXREDIRS ( integer)

CURLOPT_MAXCONNECTS ( integer)

CURLOPT_CLOSEPOLICY ( integer)

Removed in PHP 5.6.0.

CURLOPT_FRESH_CONNECT ( integer)

CURLOPT_FORBID_REUSE ( integer)

CURLOPT_RANDOM_FILE ( integer)

CURLOPT_EGDSOCKET ( integer)

CURLOPT_CONNECTTIMEOUT ( integer)

CURLOPT_CONNECTTIMEOUT_MS ( integer)

CURLOPT_SSL_VERIFYPEER ( integer)

CURLOPT_CAINFO ( integer)

CURLOPT_CAPATH ( integer)

CURLOPT_COOKIEJAR ( integer)

CURLOPT_SSL_CIPHER_LIST ( integer)

CURLOPT_BINARYTRANSFER ( integer)

CURLOPT_NOSIGNAL ( integer)

CURLOPT_PROXYTYPE ( integer)

Available as of cURL 7.10.

CURLOPT_BUFFERSIZE ( integer)

CURLOPT_HTTPGET ( integer)

CURLOPT_HTTP_VERSION ( integer)

CURLOPT_SSLKEY ( integer)

CURLOPT_SSLKEYTYPE ( integer)

CURLOPT_SSLKEYPASSWD ( integer)

CURLOPT_SSLENGINE ( integer)

CURLOPT_SSLENGINE_DEFAULT ( integer)

CURLOPT_SSLCERTTYPE ( integer)

CURLOPT_CRLF ( integer)

CURLOPT_ENCODING ( integer)

CURLOPT_PROXYPORT ( integer)

CURLOPT_UNRESTRICTED_AUTH ( integer)

CURLOPT_FTP_USE_EPRT ( integer)

CURLOPT_HTTP200ALIASES ( integer)

CURLOPT_HTTPAUTH ( integer)

CURLAUTH_BASIC ( integer)

CURLAUTH_DIGEST ( integer)

CURLAUTH_GSSNEGOTIATE ( integer)

CURLAUTH_NEGOTIATE ( integer)

Available since PHP 7.0.7 and cURL 7.38.0.

CURLAUTH_NTLM ( integer)

CURLAUTH_NTLM_WB ( integer)

Available since PHP 7.0.7 and cURL 7.22.0

CURLAUTH_ANY ( integer)

CURLAUTH_ANYSAFE ( integer)

CURLOPT_PROXYAUTH ( integer)

CURLOPT_MAX_RECV_SPEED_LARGE ( integer)

Available since PHP 5.4.0 and cURL 7.15.5

CURLOPT_MAX_SEND_SPEED_LARGE ( integer)

Available since PHP 5.4.0 and cURL 7.15.5

CURLOPT_HEADEROPT ( integer)

Available since PHP 7.0.7 and cURL 7.37.0

CURLOPT_PROXYHEADER ( integer)

Available since PHP 7.0.7 and cURL 7.37.0

CURLCLOSEPOLICY_LEAST_RECENTLY_USED ( integer)

Removed in PHP 5.6.0.

CURLCLOSEPOLICY_LEAST_TRAFFIC ( integer)

Removed in PHP 5.6.0.

CURLCLOSEPOLICY_SLOWEST ( integer)

Removed in PHP 5.6.0.

CURLCLOSEPOLICY_CALLBACK ( integer)

Removed in PHP 5.6.0.

CURLCLOSEPOLICY_OLDEST ( integer)

Removed in PHP 5.6.0.

CURLINFO_PRIVATE ( integer)

Available since PHP 5.2.4

CURLINFO_EFFECTIVE_URL ( integer)

CURLINFO_HTTP_CODE ( integer)

CURLINFO_HEADER_OUT ( integer)

Available since PHP 5.1.3

CURLINFO_HEADER_SIZE ( integer)

CURLINFO_REQUEST_SIZE ( integer)

CURLINFO_TOTAL_TIME ( integer)

CURLINFO_NAMELOOKUP_TIME ( integer)

CURLINFO_CONNECT_TIME ( integer)

CURLINFO_PRETRANSFER_TIME ( integer)

CURLINFO_SIZE_UPLOAD ( integer)

CURLINFO_SIZE_DOWNLOAD ( integer)

CURLINFO_SPEED_DOWNLOAD ( integer)

CURLINFO_SPEED_UPLOAD ( integer)

CURLINFO_FILETIME ( integer)

CURLINFO_SSL_VERIFYRESULT ( integer)

CURLINFO_CONTENT_LENGTH_DOWNLOAD ( integer)

CURLINFO_CONTENT_LENGTH_UPLOAD ( integer)

CURLINFO_STARTTRANSFER_TIME ( integer)

CURLINFO_CONTENT_TYPE ( integer)

CURLINFO_REDIRECT_TIME ( integer)

CURLINFO_REDIRECT_COUNT ( integer)

CURLINFO_REDIRECT_URL ( string)

Available since PHP 5.3.7

CURLINFO_PRIMARY_IP ( string)

Available since PHP 5.4.7

CURLINFO_PRIMARY_PORT ( integer)

Available since PHP 5.4.7

CURLINFO_LOCAL_IP ( string)

Available since PHP 5.4.7

CURLINFO_LOCAL_PORT ( integer)

Available since PHP 5.4.7

CURL_PUSH_OK ( integer)

Available since PHP 7.1.0 and cURL 7.44.0

CURL_PUSH_DENY ( integer)

Available since PHP 7.1.0 and cURL 7.44.0

CURL_REDIR_POST_301 ( integer)

Available since PHP 7.0.7 and cURL 7.18.2

CURL_REDIR_POST_302 ( integer)

Available since PHP 7.0.7 and cURL 7.18.2

CURL_REDIR_POST_303 ( integer)

Available since PHP 7.0.7 and cURL 7.25.1

CURL_REDIR_POST_ALL ( integer)

Available since PHP 7.0.7 and cURL 7.18.2

CURL_TIMECOND_IFMODSINCE ( integer)

CURL_TIMECOND_IFUNMODSINCE ( integer)

CURL_TIMECOND_LASTMOD ( integer)

CURL_VERSION_IPV6 ( integer)

CURL_VERSION_KERBEROS4 ( integer)

CURL_VERSION_KERBEROS5 ( integer)

Available since PHP 7.0.7 and cURL 7.40.0

CURL_VERSION_HTTP2 ( integer)

Available since PHP 5.5.24 and 5.6.8 and cURL 7.33.0

CURL_VERSION_PSL ( integer)

Available since PHP 7.0.7 and cURL 7.47.0

CURL_VERSION_SSL ( integer)

CURL_VERSION_UNIX_SOCKETS ( integer)

Available since PHP 7.0.7 and cURL 7.40.0

CURL_VERSION_LIBZ ( integer)

CURLVERSION_NOW ( integer)

CURLE_OK ( integer)

CURLE_UNSUPPORTED_PROTOCOL ( integer)

CURLE_FAILED_INIT ( integer)

CURLE_URL_MALFORMAT ( integer)

CURLE_URL_MALFORMAT_USER ( integer)

CURLE_COULDNT_RESOLVE_PROXY ( integer)

CURLE_COULDNT_RESOLVE_HOST ( integer)

CURLE_COULDNT_CONNECT ( integer)

CURLE_FTP_WEIRD_SERVER_REPLY ( integer)

CURLE_FTP_ACCESS_DENIED ( integer)

CURLE_FTP_USER_PASSWORD_INCORRECT ( integer)

CURLE_FTP_WEIRD_PASS_REPLY ( integer)

CURLE_FTP_WEIRD_USER_REPLY ( integer)

CURLE_FTP_WEIRD_PASV_REPLY ( integer)

CURLE_FTP_WEIRD_227_FORMAT ( integer)

CURLE_FTP_CANT_GET_HOST ( integer)

CURLE_FTP_CANT_RECONNECT ( integer)

CURLE_FTP_COULDNT_SET_BINARY ( integer)

CURLE_PARTIAL_FILE ( integer)

CURLE_FTP_COULDNT_RETR_FILE ( integer)

CURLE_FTP_WRITE_ERROR ( integer)

CURLE_FTP_QUOTE_ERROR ( integer)

CURLE_HTTP_NOT_FOUND ( integer)

CURLE_WRITE_ERROR ( integer)

CURLE_MALFORMAT_USER ( integer)

CURLE_FTP_COULDNT_STOR_FILE ( integer)

CURLE_READ_ERROR ( integer)

CURLE_OUT_OF_MEMORY ( integer)

CURLE_OPERATION_TIMEOUTED ( integer)

CURLE_FTP_COULDNT_SET_ASCII ( integer)

CURLE_FTP_PORT_FAILED ( integer)

CURLE_FTP_COULDNT_USE_REST ( integer)

CURLE_FTP_COULDNT_GET_SIZE ( integer)

CURLE_HTTP_RANGE_ERROR ( integer)

CURLE_HTTP_POST_ERROR ( integer)

CURLE_SSL_CONNECT_ERROR ( integer)

CURLE_FTP_BAD_DOWNLOAD_RESUME ( integer)

CURLE_FILE_COULDNT_READ_FILE ( integer)

CURLE_LDAP_CANNOT_BIND ( integer)

CURLE_LDAP_SEARCH_FAILED ( integer)

CURLE_LIBRARY_NOT_FOUND ( integer)

CURLE_FUNCTION_NOT_FOUND ( integer)

CURLE_ABORTED_BY_CALLBACK ( integer)

CURLE_BAD_FUNCTION_ARGUMENT ( integer)

CURLE_BAD_CALLING_ORDER ( integer)

CURLE_HTTP_PORT_FAILED ( integer)

CURLE_BAD_PASSWORD_ENTERED ( integer)

CURLE_TOO_MANY_REDIRECTS ( integer)

CURLE_UNKNOWN_TELNET_OPTION ( integer)

CURLE_TELNET_OPTION_SYNTAX ( integer)

CURLE_OBSOLETE ( integer)

CURLE_SSL_PEER_CERTIFICATE ( integer)

CURLE_GOT_NOTHING ( integer)

CURLE_SSL_ENGINE_NOTFOUND ( integer)

CURLE_SSL_ENGINE_SETFAILED ( integer)

CURLE_SEND_ERROR ( integer)

CURLE_RECV_ERROR ( integer)

CURLE_SHARE_IN_USE ( integer)

CURLE_SSL_CERTPROBLEM ( integer)

CURLE_SSL_CIPHER ( integer)

CURLE_SSL_CACERT ( integer)

CURLE_BAD_CONTENT_ENCODING ( integer)

CURLE_LDAP_INVALID_URL ( integer)

CURLE_FILESIZE_EXCEEDED ( integer)

CURLE_FTP_SSL_FAILED ( integer)

CURLE_SSH ( integer)

Available since PHP 5.3.0 and cURL 7.16.1.

CURLFTPAUTH_DEFAULT ( integer)

Available since PHP 5.1.0

CURLFTPAUTH_SSL ( integer)

Available since PHP 5.1.0

CURLFTPAUTH_TLS ( integer)

Available since PHP 5.1.0

CURLPROXY_HTTP ( integer)

Available since cURL 7.10.

CURLPROXY_HTTP_1_0 ( integer)

Available since PHP 7.0.7 and cURL 7.19.3

CURLPROXY_SOCKS4 ( integer)

Available since PHP 5.2.10 and cURL 7.10.

CURLPROXY_SOCKS5 ( integer)

Available since cURL 7.10.

CURL_NETRC_OPTIONAL ( integer)

CURL_NETRC_IGNORED ( integer)

CURL_NETRC_REQUIRED ( integer)

CURL_HTTP_VERSION_NONE ( integer)

CURL_HTTP_VERSION_1_0 ( integer)

CURL_HTTP_VERSION_1_1 ( integer)

CURL_HTTP_VERSION_2 ( integer)

Available since PHP 7.0.7 and cURL 7.43.0

CURL_HTTP_VERSION_2TLS ( integer)

Available since PHP 7.0.7 and cURL 7.47.0

CURL_HTTP_VERSION_2_PRIOR_KNOWLEDGE ( integer)

Available since PHP 7.0.7 and cURL 7.49.0

CURLM_CALL_MULTI_PERFORM ( integer)

CURLM_OK ( integer)

CURLM_BAD_HANDLE ( integer)

CURLM_BAD_EASY_HANDLE ( integer)

CURLM_OUT_OF_MEMORY ( integer)

CURLM_INTERNAL_ERROR ( integer)

CURLMSG_DONE ( integer)

CURLOPT_KEYPASSWD ( integer)

CURLOPT_SSH_AUTH_TYPES ( integer)

CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 ( integer)

CURLOPT_SSH_PRIVATE_KEYFILE ( integer)

CURLOPT_SSH_PUBLIC_KEYFILE ( integer)

CURLOPT_SSL_OPTIONS ( integer)

Available since PHP 5.5.0 and cURL 7.25.0

CURLSSLOPT_ALLOW_BEAST ( integer)

Available since PHP 5.5.0 and cURL 7.25.0

CURLSSLOPT_NO_REVOKE ( integer)

Available since PHP 7.0.7 and cURL 7.44.0

CURLOPT_USERNAME ( integer)

Available since PHP 5.5.0 and cURL 7.19.1

CURLOPT_SASL_IR ( integer)

Available since PHP 7.0.7 and cURL 7.31.0

CURLOPT_DNS_INTERFACE ( integer)

Available since PHP 7.0.7 and cURL 7.33.0

CURLOPT_DNS_LOCAL_IP4 ( integer)

Available since PHP 7.0.7 and cURL 7.33.0

CURLOPT_DNS_LOCAL_IP6 ( integer)

Available since PHP 7.0.7 and cURL 7.33.0

CURLOPT_XOAUTH2_BEARER ( integer)

Available since PHP 7.0.7 and cURL 7.33.0

CURLOPT_LOGIN_OPTIONS ( integer)

Available since PHP 7.0.7 and cURL 7.34.0

CURLOPT_EXPECT_100_TIMEOUT_MS ( integer)

Available since PHP 7.0.7 and cURL 7.36.0

CURLOPT_SSL_ENABLE_ALPN ( integer)

Available since PHP 7.0.7 and cURL 7.36.0

CURLOPT_SSL_ENABLE_NPN ( integer)

Available since PHP 7.0.7 and cURL 7.36.0

CURLOPT_PINNEDPUBLICKEY ( integer)

Available since PHP 7.0.7 and cURL 7.39.0

CURLOPT_UNIX_SOCKET_PATH ( integer)

Available since PHP 7.0.7 and cURL 7.40.0

CURLOPT_SSL_VERIFYSTATUS ( integer)

Available since PHP 7.0.7 and cURL 7.41.0

CURLOPT_PATH_AS_IS ( integer)

Available since PHP 7.0.7 and cURL 7.42.0

CURLOPT_SSL_FALSESTART ( integer)

Available since PHP 7.0.7 and cURL 7.42.0

CURLOPT_PIPEWAIT ( integer)

Available since PHP 7.0.7 and cURL 7.43.0

CURLOPT_PROXY_SERVICE_NAME ( integer)

Available since PHP 7.0.7 and cURL 7.43.0

CURLOPT_SERVICE_NAME ( integer)

Available since PHP 7.0.7 and cURL 7.43.0

CURLOPT_DEFAULT_PROTOCOL ( integer)

Available since PHP 7.0.7 and cURL 7.45.0

CURLOPT_STREAM_WEIGHT ( integer)

Available since PHP 7.0.7 and cURL 7.46.0

CURLOPT_TFTP_NO_OPTIONS ( integer)

Available since PHP 7.0.7 and cURL 7.48.0

CURLOPT_CONNECT_TO ( integer)

Available since PHP 7.0.7 and cURL 7.49.0

CURLOPT_TCP_FASTOPEN ( integer)

Available since PHP 7.0.7 and cURL 7.49.0

CURLMOPT_PIPELINING ( integer)

Available since PHP 5.5.0 and cURL 7.16.0.

CURLMOPT_MAXCONNECTS ( integer)

Available since PHP 5.5.0 and cURL 7.16.3.

CURLMOPT_CHUNK_LENGTH_PENALTY_SIZE ( integer)

Available since PHP 7.0.7 and cURL 7.30.0

CURLMOPT_CONTENT_LENGTH_PENALTY_SIZE ( integer)

Available since PHP 7.0.7 and cURL 7.30.0

CURLMOPT_MAX_HOST_CONNECTIONS ( integer)

Available since PHP 7.0.7 and cURL 7.30.0

CURLMOPT_MAX_PIPELINE_LENGTH ( integer)

Available since PHP 7.0.7 and cURL 7.30.0

CURLMOPT_MAX_TOTAL_CONNECTIONS ( integer)

Available since PHP 7.0.7 and cURL 7.30.0

CURLMOPT_PUSHFUNCTION ( integer)

Available since PHP 7.1.0 and cURL 7.44.0

CURLSSH_AUTH_AGENT ( integer)

Available since PHP 7.0.7 and cURL 7.28.0

CURLSSH_AUTH_ANY ( integer)

CURLSSH_AUTH_DEFAULT ( integer)

CURLSSH_AUTH_HOST ( integer)

CURLSSH_AUTH_KEYBOARD ( integer)

CURLSSH_AUTH_NONE ( integer)

CURLSSH_AUTH_PASSWORD ( integer)

CURLSSH_AUTH_PUBLICKEY ( integer)

CURL_WRAPPERS_ENABLED ( integer)

Defined if PHP was configured with --with-curlwrappers . Moved to PECL in PHP 5.5.0.

CURLPAUSE_ALL ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPAUSE_CONT ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPAUSE_RECV ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPAUSE_RECV_CONT ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPAUSE_SEND ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPAUSE_SEND_CONT ( integer)

Available since PHP 5.5.0 and cURL 7.18.0.

CURLPIPE_NOTHING ( integer)

Available since PHP 7.0.0 and cURL 7.43.0.

CURLPIPE_HTTP1 ( integer)

Available since PHP 7.0.0 and cURL 7.43.0.

CURLPIPE_MULTIPLEX ( integer)

Available since PHP 7.0.0 and cURL 7.43.0.

CURLPROXY_SOCKS4A ( integer)

Available since PHP 5.5.23 and PHP 5.6.7 and cURL 7.18.0.

CURLPROXY_SOCKS5_HOSTNAME ( integer)

Available since PHP 5.5.23 and PHP 5.6.7 and cURL 7.18.0.

CURLHEADER_SEPARATE ( integer)

Available since PHP 7.0.7 and cURL 7.37.0.

CURLHEADER_UNIFIED ( integer)

Available since PHP 7.0.7 and cURL 7.37.0.

CURLPROTO_SMB ( integer)

Available since PHP 7.0.7 and cURL 7.40.0.

CURLPROTO_SMBS ( integer)

Available since PHP 7.0.7 and cURL 7.40.0.