PHP 8.3

New Global Constants

cURL

CURLINFO_CAPATH (libcurl >= 7.84.0)
CURLINFO_CAINFO (libcurl >= 7.84.0)
CURLOPT_MIME_OPTIONS (libcurl >= 7.81.0)
CURLMIMEOPT_FORMESCAPE (libcurl >= 7.81.0)
CURLOPT_WS_OPTIONS (libcurl >= 7.86.0)
CURLWS_RAW_MODE (libcurl >= 7.86.0)
CURLOPT_SSH_HOSTKEYFUNCTION (libcurl >= 7.84.0)
CURLOPT_PROTOCOLS_STR (libcurl >= 7.85.0)
CURLOPT_REDIR_PROTOCOLS_STR (libcurl >= 7.85.0)
CURLOPT_CA_CACHE_TIMEOUT (libcurl >= 7.87.0)
CURLOPT_QUICK_EXIT (libcurl >= 7.87.0)
CURLKHMATCH_OK (libcurl >= 7.19.6)
CURLKHMATCH_MISMATCH (libcurl >= 7.19.6)
CURLKHMATCH_MISSING (libcurl >= 7.19.6)
CURLKHMATCH_LAST (libcurl >= 7.19.6)

Intl

MIXED_NUMBERS (Spoofchecker)
HIDDEN_OVERLAY (Spoofchecker)

OpenSSL

OPENSSL_CMS_OLDMIMETYPE
PKCS7_NOOLDMIMETYPE

PCNTL

SIGINFO

PDO_ODBC

PDO_ODBC_TYPE

Posix

POSIX_SC_ARG_MAX
POSIX_SC_PAGESIZE
POSIX_SC_NPROCESSORS_CONF
POSIX_SC_NPROCESSORS_ONLN
POSIX_PC_LINK_MAX
POSIX_PC_MAX_CANON
POSIX_PC_MAX_INPUT
POSIX_PC_NAME_MAX
POSIX_PC_PATH_MAX
POSIX_PC_PIPE_BUF
POSIX_PC_CHOWN_RESTRICTED
POSIX_PC_NO_TRUNC
POSIX_PC_ALLOC_SIZE_MIN
POSIX_PC_SYMLINK_MAX

Sockets

The following socket options are now defined if they are supported:

SO_ATTACH_REUSEPORT_CBPF (Linux)
SO_DETACH_BPF (Linux)
SO_DETACH_FILTER (Linux)
TCP_QUICKACK (Linux)
IP_DONTFRAG (FreeBSD)
IP_MTU_DISCOVER (Linux)
IP_PMTUDISC_DO (Linux)
IP_PMTUDISC_DONT (Linux)
IP_PMTUDISC_WANT (Linux)
IP_PMTUDISC_PROBE (Linux)
IP_PMTUDISC_INTERFACE (Linux)
IP_PMTUDISC_OMIT (Linux)
AF_DIVERT (FreeBSD)
SOL_UDPLITE
UDPLITE_RECV_CSCOV
UDPLITE_SEND_CSCOV
SO_RERROR (NetBSD)
SO_ZEROIZE (OpenBSD)
SO_SPLICE (OpenBSD)
TCP_REPAIR (Linux)
SO_REUSEPORT_LB (FreeBSD)
IP_BIND_ADDRESS_NO_PORT (Linux)

Zip

ZipArchive::ER_DATA_LENGTH (libzip >= 1.10)
ZipArchive::ER_NOT_ALLOWED (libzip >= 1.10)
ZipArchive::AFL_RDONLY (libzip >= 1.10)
ZipArchive::AFL_IS_TORRENTZIP (libzip >= 1.10)
ZipArchive::AFL_WANT_TORRENTZIP (libzip >= 1.10)
ZipArchive::AFL_CREATE_OR_KEEP_FILE_FOR_EMPTY_ARCHIVE (libzip >= 1.10)
ZipArchive::FL_OPEN_FILE_NOW
ZipArchive::LENGTH_TO_END as default value for ZipArchive::addFile() and ZipArchive::replaceFile()
ZipArchive::LENGTH_UNCHECKED (libzip >= 1.10)

PHP 8.2

New Global Constants

COM

DISP_E_PARAMNOTFOUND
LOCALE_NEUTRAL

cURL

CURLALTSVC_H1 (libcurl >= 7.64.1)
CURLALTSVC_H2 (libcurl >= 7.64.1)
CURLALTSVC_H3 (libcurl >= 7.64.1)
CURLALTSVC_READONLYFILE (libcurl >= 7.64.1)
CURLAUTH_AWS_SIGV4 (libcurl >= 7.75.0)
CURLE_PROXY (libcurl >= 7.73.0)
CURLFTPMETHOD_DEFAULT
CURLHSTS_ENABLE (libcurl >= 7.74.0)
CURLHSTS_READONLYFILE (libcurl >= 7.74.0)
CURLINFO_PROXY_ERROR (libcurl >= 7.73.0)
CURLINFO_REFERER (libcurl >= 7.76.0)
CURLINFO_RETRY_AFTER (libcurl >= 7.66.0)
CURLMOPT_MAX_CONCURRENT_STREAMS (libcurl >= 7.67.0)
CURLOPT_ALTSVC_CTRL (libcurl >= 7.64.1)
CURLOPT_ALTSVC (libcurl >= 7.64.1)
CURLOPT_AWS_SIGV4 (libcurl >= 7.75.0)
CURLOPT_CAINFO_BLOB (libcurl >= 7.77.0)
CURLOPT_DOH_SSL_VERIFYHOST (libcurl >= 7.76.0)
CURLOPT_DOH_SSL_VERIFYPEER (libcurl >= 7.76.0)
CURLOPT_DOH_SSL_VERIFYSTATUS (libcurl >= 7.76.0)
CURLOPT_HSTS_CTRL (libcurl >= 7.74.0)
CURLOPT_HSTS (libcurl >= 7.74.0)
CURLOPT_MAIL_RCPT_ALLLOWFAILS (libcurl >= 7.69.0)
CURLOPT_MAXAGE_CONN (libcurl >= 7.65.0)
CURLOPT_MAXFILESIZE_LARGE
CURLOPT_MAXLIFETIME_CONN (libcurl >= 7.80.0)
CURLOPT_PROXY_CAINFO_BLOB (libcurl >= 7.77.0)
CURLOPT_SASL_AUTHZID (libcurl >= 7.66.0)
CURLOPT_SSH_HOST_PUBLIC_KEY_SHA256 (libcurl >= 7.80.0)
CURLOPT_SSL_EC_CURVES (libcurl >= 7.73.0)
CURLOPT_UPKEEP_INTERVAL_MS (libcurl >= 7.62.0)
CURLOPT_UPLOAD_BUFFERSIZE (libcurl >= 7.62.0)
CURLOPT_XFERINFOFUNCTION (libcurl >= 7.32.0)
CURLPROTO_MQTT (libcurl >= 7.71.0)
CURLPX_BAD_ADDRESS_TYPE (libcurl >= 7.73.0)
CURLPX_BAD_VERSION (libcurl >= 7.73.0)
CURLPX_CLOSED (libcurl >= 7.73.0)
CURLPX_GSSAPI (libcurl >= 7.73.0)
CURLPX_GSSAPI_PERMSG (libcurl >= 7.73.0)
CURLPX_GSSAPI_PROTECTION (libcurl >= 7.73.0)
CURLPX_IDENTD_DIFFER (libcurl >= 7.73.0)
CURLPX_IDENTD (libcurl >= 7.73.0)
CURLPX_LONG_HOSTNAME (libcurl >= 7.73.0)
CURLPX_LONG_PASSWD (libcurl >= 7.73.0)
CURLPX_LONG_USER (libcurl >= 7.73.0)
CURLPX_NO_AUTH (libcurl >= 7.73.0)
CURLPX_OK (libcurl >= 7.73.0)
CURLPX_RECV_ADDRESS (libcurl >= 7.73.0)
CURLPX_RECV_AUTH (libcurl >= 7.73.0)
CURLPX_RECV_CONNECT (libcurl >= 7.73.0)
CURLPX_RECV_REQACK (libcurl >= 7.73.0)
CURLPX_REPLY_ADDRESS_TYPE_NOT_SUPPORTED (libcurl >= 7.73.0)
CURLPX_REPLY_COMMAND_NOT_SUPPORTED (libcurl >= 7.73.0)
CURLPX_REPLY_CONNECTION_REFUSED (libcurl >= 7.73.0)
CURLPX_REPLY_GENERAL_SERVER_FAILURE (libcurl >= 7.73.0)
CURLPX_REPLY_HOST_UNREACHABLE (libcurl >= 7.73.0)
CURLPX_REPLY_NETWORK_UNREACHABLE (libcurl >= 7.73.0)
CURLPX_REPLY_NOT_ALLOWED (libcurl >= 7.73.0)
CURLPX_REPLY_TTL_EXPIRED (libcurl >= 7.73.0)
CURLPX_REPLY_UNASSIGNED (libcurl >= 7.73.0)
CURLPX_REQUEST_FAILED (libcurl >= 7.73.0)
CURLPX_RESOLVE_HOST (libcurl >= 7.73.0)
CURLPX_SEND_AUTH (libcurl >= 7.73.0)
CURLPX_SEND_CONNECT (libcurl >= 7.73.0)
CURLPX_SEND_REQUEST (libcurl >= 7.73.0)
CURLPX_UNKNOWN_FAIL (libcurl >= 7.73.0)
CURLPX_UNKNOWN_MODE (libcurl >= 7.73.0)
CURLPX_USER_REJECTED (libcurl >= 7.73.0)
CURLSSLOPT_AUTO_CLIENT_CERT (libcurl >= 7.77.0)
CURLSSLOPT_NATIVE_CA (libcurl >= 7.71.0)
CURLSSLOPT_NO_PARTIALCHAIN (libcurl >= 7.68.0)
CURLSSLOPT_REVOKE_BEST_EFFORT (libcurl >= 7.70.0)
CURL_VERSION_GSASL (libcurl >= 7.76.0)
CURL_VERSION_HSTS (libcurl >= 7.74.0)
CURL_VERSION_HTTP3 (libcurl >= 7.66.0)
CURL_VERSION_UNICODE (libcurl >= 7.72.0)
CURL_VERSION_ZSTD (libcurl >= 7.72.0)

DBA

DBA_LMDB_USE_SUB_DIR
DBA_LMDB_NO_SUB_DIR

Filter

FILTER_FLAG_GLOBAL_RANGE

Sockets

The following socket options are now defined if they are supported:

SO_INCOMING_CPU
SO_MEMINFO
SO_RTABLE (OpenBSD)
TCP_KEEPALIVE (MacOS)
TCP_KEEPCNT (Linux, others)
TCP_KEEPIDLE (Linux, others)
TCP_KEEPINTVL (Linux, others)
TCP_NOTSENT_LOWAT
LOCAL_CREDS_PERSISTENT (FreeBSD)
SCM_CREDS2 (FreeBSD)
LOCAL_CREDS (NetBSD)
SO_BPF_EXTENSIONS
SO_SETFIB
TCP_CONGESTION (Linux, FreeBSD)
SO_ZEROCOPY (Linux)
MSG_ZEROCOPY (Linux)

PHP 8.1

New Global Constants

cURL

CURLOPT_DOH_URL
CURLOPT_ISSUERCERT_BLOB
CURLOPT_PROXY_ISSUERCERT
CURLOPT_PROXY_ISSUERCERT_BLOB
CURLOPT_PROXY_SSLCERT_BLOB
CURLOPT_PROXY_SSLKEY_BLOB
CURLOPT_SSLCERT_BLOB
CURLOPT_SSLKEY_BLOB

GD

IMG_AVIF
IMG_WEBP_LOSSLESS

MySQLi

MYSQLI_REFRESH_REPLICA
This constant has been added as a replacement for MYSQLI_REFRESH_SLAVE, in line with an upstream change in MySQL. The old constant is still available for backwards-compatibility reasons, but may be deprecated/removed in the future.