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。

curl_setopt()、curl_multi_setopt()、 curl_getinfo() 文档中常量的描述和使用。

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 is 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_COOKIELIST (integer)

Available since PHP 5.5.0 and cURL 7.14.1

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)

As of PHP 5.5.0 and cURL 7.10.8, this is a legacy alias of CURLINFO_RESPONSE_CODE

CURLINFO_RESPONSE_CODE (integer)

Available since PHP 5.5.0 and cURL 7.10.8

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_ALTSVC (integer)

Available since PHP 7.3.6 and cURL 7.64.1

CURL_VERSION_ASYNCHDNS (integer)

Available since PHP 7.3.0 and cURL 7.10.7

CURL_VERSION_BROTLI (integer)

Available since PHP 7.3.0 and cURL 7.57.0

CURL_VERSION_CONV (integer)

Available since PHP 7.3.0 and cURL 7.15.4

CURL_VERSION_CURLDEBUG (integer)

Available since PHP 7.3.6 and cURL 7.19.6

CURL_VERSION_DEBUG (integer)

Available since PHP 7.3.0 and cURL 7.10.6

CURL_VERSION_GSSAPI (integer)

Available since PHP 7.3.0 and cURL 7.38.0

CURL_VERSION_GSSNEGOTIATE (integer)

Available since PHP 7.3.0 and cURL 7.10.6 (deprecated since 7.38.0)

CURL_VERSION_IDN (integer)

Available since PHP 7.3.0 and cURL 7.12.0

CURL_VERSION_MULTI_SSL (integer)

Available since PHP 7.3.0 and cURL 7.56.0

CURL_VERSION_NTLM (integer)

Available since PHP 7.3.0 and cURL 7.10.6

CURL_VERSION_NTLM_WB (integer)

Available since PHP 7.3.0 and cURL 7.22.0

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 7.3.6 and cURL 7.47.0

CURL_VERSION_SPNEGO (integer)

Available since PHP 7.3.0 and cURL 7.10.8

CURL_VERSION_SSPI (integer)

Available since PHP 7.3.0 and cURL 7.13.2

CURL_VERSION_SSL (integer)

CURL_VERSION_TLSAUTH_SRP (integer)

Available since PHP 7.3.0 and cURL 7.21.4

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_2_0 (integer)

Available since PHP 5.5.24 and 5.6.8 and cURL 7.33.0

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

CURLOPT_TCP_KEEPALIVE (integer)

Available since PHP 5.5.0 and cURL 7.25.0

CURLOPT_TCP_KEEPIDLE (integer)

Available since PHP 5.5.0 and cURL 7.25.0

CURLOPT_TCP_KEEPINTVL (integer)

Available since PHP 5.5.0 and cURL 7.25.0

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.

CURLOPT_REQUEST_TARGET (integer)

Available since PHP 7.3.0 and cURL 7.55.0.

CURLAUTH_GSSAPI (integer)

Available since PHP 7.3.0 and cURL 7.54.1

CURLE_WEIRD_SERVER_REPLY (integer)

Available since PHP 7.3.0 and cURL 7.51.0

CURLINFO_CONTENT_LENGTH_DOWNLOAD_T (integer)

Available since PHP 7.3.0 and cURL 7.55.0

CURLINFO_CONTENT_LENGTH_UPLOAD_T (integer)

Available since PHP 7.3.0 and cURL 7.55.0

CURLINFO_HTTP_VERSION (integer)

Available since PHP 7.3.0 and cURL 7.50.0

CURLINFO_PROTOCOL (integer)

Available since PHP 7.3.0 and cURL 7.52.0

CURLINFO_PROXY_SSL_VERIFYRESULT (integer)

Available since PHP 7.3.0 and cURL 7.52.0

CURLINFO_SCHEME (integer)

Available since PHP 7.3.0 and cURL 7.52.0

CURLINFO_SIZE_DOWNLOAD_T (integer)

Available since PHP 7.3.0 and cURL 7.50.0

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