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

如果已经支持，则已经定义下列 socket 选项：

• 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 是 ZipArchive::addFile() 和 ZipArchive::replaceFile() 的默认值
• ZipArchive::LENGTH_UNCHECKED (libzip >= 1.10)