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。
-
Available
-
STREAM_CLIENT_ASYNC_CONNECT
(int) -
Open client socket asynchronously.
This option must be used together with the
STREAM_CLIENT_CONNECT
flag. -
STREAM_CLIENT_CONNECT
(int) - Open client socket connection. Client sockets should always include this flag.
-
STREAM_CLIENT_PERSISTENT
(int) - Client socket should remain persistent between page loads.
flags
for
stream_socket_client()
-
Available
-
STREAM_SERVER_BIND
(int) - Indicates that a stream should bind to the specified target. Server sockets should always include this flag.
-
STREAM_SERVER_LISTEN
(int) -
Indicates that a stream bound using
STREAM_SERVER_BIND
flag to start listening to the socket. Connection-orientated transports (such as TCP) must use this flag, otherwise the server socket will not be enabled. Using this flag for connect-less transports (such as UDP) is an error.
flags
for
stream_socket_server()
-
Values for the
-
STREAM_SHUT_RD
(int) - Disable further receptions.
-
STREAM_SHUT_WR
(int) - Disable further transmissions.
-
STREAM_SHUT_RDWR
(int) - Disable further receptions and transmissions.
mode
parameter of
stream_socket_shutdown()
- Stream Socket Transfer flags
-
STREAM_OOB
(int) -
Process OOB (
out-of-band
) data. -
STREAM_PEEK
(int) -
Retrieve data from the socket, but do not consume the buffer.
Subsequent calls to fread() or
stream_socket_recvfrom() will see the same data.
注意: Is not a valid flag for stream_socket_sendto().
Those constants are used for the flags
parameter of the
stream_socket_recvfrom() and
stream_socket_sendto() functions.
- Stream Filter constants
-
STREAM_FILTER_READ
(int) - Indicate that the specified filter should only be applied when reading.
-
STREAM_FILTER_WRITE
(int) - Indicate that the specified filter should only be applied when writing.
-
STREAM_FILTER_ALL
(int) -
Equivalent to
STREAM_FILTER_READ | STREAM_FILTER_WRITE
.
Those constants are used for the stream_filter_append() and stream_filter_prepend() functions.
-
Stream Crypto Methods
-
STREAM_CRYPTO_METHOD_ANY_CLIENT
(int) - Any TLS or SSL version on a client stream.
-
STREAM_CRYPTO_METHOD_SSLv2_CLIENT
(int) - SSL 2 on a client stream.
-
STREAM_CRYPTO_METHOD_SSLv3_CLIENT
(int) - SSL 3 on a client stream.
-
STREAM_CRYPTO_METHOD_SSLv23_CLIENT
(int) - TLS 1.0, 1.1 or 1.2 on a client stream.
-
STREAM_CRYPTO_METHOD_TLS_CLIENT
(int) - Any TLS version on a client stream.
-
STREAM_CRYPTO_METHOD_TLSv1_0_CLIENT
(int) - TLS 1.0 on a client stream.
-
STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT
(int) - TLS 1.1 on a client stream.
-
STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT
(int) - TLS 1.2 on a client stream.
-
STREAM_CRYPTO_METHOD_TLSv1_3_CLIENT
(int) - TLS 1.3 on a client stream.
-
STREAM_CRYPTO_METHOD_ANY_SERVER
(int) - Any TLS or SSL version on a server stream.
-
STREAM_CRYPTO_METHOD_SSLv2_SERVER
(int) - SSL 2 on a server stream.
-
STREAM_CRYPTO_METHOD_SSLv3_SERVER
(int) - SSL 3 on a server stream.
-
STREAM_CRYPTO_METHOD_SSLv23_SERVER
(int) - TLS 1.0, 1.1 or 1.2 on a server stream.
-
STREAM_CRYPTO_METHOD_TLS_SERVER
(int) - Any TLS version on a server stream.
-
STREAM_CRYPTO_METHOD_TLSv1_0_SERVER
(int) - TLS 1.0 on a server stream.
-
STREAM_CRYPTO_METHOD_TLSv1_1_SERVER
(int) - TLS 1.1 on a server stream.
-
STREAM_CRYPTO_METHOD_TLSv1_2_SERVER
(int) - TLS 1.2 on a server stream.
-
STREAM_CRYPTO_METHOD_TLSv1_3_SERVER
(int) - TLS 1.3 on a server stream.
-
STREAM_CRYPTO_PROTO_SSLv3
(int) -
别名
STREAM_CRYPTO_METHOD_SSLv3_SERVER
. -
STREAM_CRYPTO_PROTO_TLSv1_0
(int) -
别名
STREAM_CRYPTO_METHOD_TLSv1_0_SERVER
. -
STREAM_CRYPTO_PROTO_TLSv1_1
(int) -
别名
STREAM_CRYPTO_METHOD_TLSv1_1_SERVER
. -
STREAM_CRYPTO_PROTO_TLSv1_2
(int) -
别名
STREAM_CRYPTO_METHOD_TLSv1_2_SERVER
. -
STREAM_CRYPTO_PROTO_TLSv1_3
(int) -
别名
STREAM_CRYPTO_METHOD_TLSv1_3_SERVER
.
-
Unused internal constants
-
STREAM_MUST_SEEK
(int) - Ensure stream is seekable. This may result in a copy of the stream being created.
-
STREAM_IGNORE_URL
(int) - Do not use plugin wrappers.
Constants used with stream_socket_pair()
注意: Not all constants might be available on a given system.
-
Constants for the
-
STREAM_PF_INET
(int) - Internet Protocol Version 4 (IPv4).
-
STREAM_PF_INET6
(int) - Internet Protocol Version 6 (IPv6).
-
STREAM_PF_UNIX
(int) - Unix system internal protocols.
domain
parameter
-
Constants for the
-
STREAM_SOCK_DGRAM
(int) - Provides datagrams, which are connectionless messages. For example: UDP.
-
STREAM_SOCK_RAW
(int) - Provides a raw socket, which provides access to internal network protocols and interfaces. Usually this type of socket is just available to the root user.
-
STREAM_SOCK_RDM
(int) - Provides a RDM (Reliably-delivered messages) socket.
-
STREAM_SOCK_SEQPACKET
(int) - Provides a sequenced packet stream socket.
-
STREAM_SOCK_STREAM
(int) - Provides sequenced, two-way byte streams with a transmission mechanism for out-of-band data. For example: TCP.
type
parameter
-
Constants for the
-
STREAM_IPPROTO_ICMP
(int) - Provides a ICMP socket.
-
STREAM_IPPROTO_IP
(int) - Provides a IP socket.
-
STREAM_IPPROTO_RAW
(int) - Provides a RAW socket.
-
STREAM_IPPROTO_TCP
(int) - Provides a TCP socket.
-
STREAM_IPPROTO_UDP
(int) - Provides a UDP socket.
protocol
parameter
Constants used with stream_notification_callback()
-
Values for the
-
STREAM_NOTIFY_RESOLVE
(int) -
A remote address required for this stream has been resolved,
or the resolution failed.
See
severity
for an indication of which happened.警告Support for this notification code is not yet implemented.
-
STREAM_NOTIFY_CONNECT
(int) - A connection with an external resource has been established.
-
STREAM_NOTIFY_AUTH_REQUIRED
(int) -
Additional authorization is required to access the specified resource.
Typical issued with
severity
level ofSTREAM_NOTIFY_SEVERITY_ERR
. -
STREAM_NOTIFY_MIME_TYPE_IS
(int) -
The
mime-type
of resource has been identified. Refer tomessage
for a description of the discovered type. -
STREAM_NOTIFY_FILE_SIZE_IS
(int) -
The
size
of the resource has been discovered. -
STREAM_NOTIFY_REDIRECTED
(int) -
The external resource has redirected the stream to an alternate location.
Refer to
message
. -
STREAM_NOTIFY_PROGRESS
(int) -
Indicates current progress of the stream transfer in
bytes_transferred
and possiblybytes_max
as well. -
STREAM_NOTIFY_COMPLETED
(int) - There is no more data available on the stream. (First implemented as of PHP 8.3.0.)
-
STREAM_NOTIFY_FAILURE
(int) -
A generic error occurred on the stream.
Refer to
message
andmessage_code
for details. -
STREAM_NOTIFY_AUTH_RESULT
(int) - Authorization has been completed (with or without success).
notification_code
parameter
-
Values for the
-
STREAM_NOTIFY_SEVERITY_INFO
(int) - Normal, non-error related, notification.
-
STREAM_NOTIFY_SEVERITY_WARN
(int) - Non critical error condition. Processing may continue.
-
STREAM_NOTIFY_SEVERITY_ERR
(int) - A critical error occurred. Processing cannot continue.
severity
parameter
streamWrapper related constants
-
Valid flags for stream_wrapper_register()
-
STREAM_IS_URL
(int) - Indicates that the stream wrapper protocol is a URL protocol.
-
Values for the
-
STREAM_CAST_FOR_SELECT
(int) - Indicates that streamWrapper::stream_cast() was called by streamWrapper::stream_select().
-
STREAM_CAST_AS_STREAM
(int) - Indicates that streamWrapper::stream_cast() was called by any method other than streamWrapper::stream_select().
cast_as
parameter of
streamWrapper::stream_cast()
-
Values for the
-
STREAM_META_TOUCH
(int) - Indicates a call to touch().
-
STREAM_META_OWNER
(int) - Indicates a call to chown().
-
STREAM_META_OWNER_NAME
(int) - Indicates a call to chown().
-
STREAM_META_GROUP
(int) - Indicates a call to chgrp().
-
STREAM_META_GROUP_NAME
(int) - Indicates a call to chgrp().
-
STREAM_META_ACCESS
(int) - Indicates a call to chmod().
option
parameter of
streamWrapper::stream_metadata()
-
Valid flags for
streamWrapper::mkdir()
and
streamWrapper::rmdir()
-
STREAM_MKDIR_RECURSIVE
(int) - Recursive flag for the options parameters of mkdir() and rmdir().
-
Values for the
-
STREAM_USE_PATH
(int) - Flag indicating that relative paths should use the include path to locate the resource.
-
STREAM_REPORT_ERRORS
(int) - Flag indicating that the stream wrapper should report errors. If the flag is not set, no errors should be reported. Errors are usually reported by the use of the trigger_error() function.
options
parameter of
streamWrapper::stream_open()
-
Values for the
-
STREAM_OPTION_BLOCKING
(int) - Set blocking/non-blocking mode on a stream.
-
STREAM_OPTION_READ_BUFFER
(int) -
Set read file buffering on a stream.
-
Valid option values
-
STREAM_BUFFER_NONE
(int) - No buffering.
-
STREAM_BUFFER_LINE
(int) - Line buffering.
-
STREAM_BUFFER_FULL
(int) - Full buffering.
-
-
STREAM_OPTION_READ_TIMEOUT
(int) - Set read file buffering on a stream.
-
STREAM_OPTION_WRITE_BUFFER
(int) -
Set write file buffering on a stream.
See
STREAM_OPTION_READ_BUFFER
for valid buffer options.
option
parameter of
streamWrapper::stream_set_option()
-
Values for the
-
STREAM_URL_STAT_LINK
(int) - Only information about the link itself should be returned, not the resource pointed to by the link.
-
STREAM_URL_STAT_QUIET
(int) - The wrapper should not raise any errors.
flags
parameter of
streamWrapper::url_stat()
php_user_filter related constants
-
Valid return values for
php_user_filter::filter()
-
PSFS_PASS_ON
(int) -
Return value indicating that the userspace filter
returned buckets in
$out
. -
PSFS_FEED_ME
(int) -
Return value indicating that the userspace filter
did not return buckets in
$out
. (i.e. No data available.) -
PSFS_ERR_FATAL
(int) - Return value indicating that the userspace filter encountered an unrecoverable error. (i.e. Invalid data received.)
-
Unused internal constants
-
PSFS_FLAG_NORMAL
(int) - Regular read/write.
-
PSFS_FLAG_FLUSH_INC
(int) - An incremental flush.
-
PSFS_FLAG_FLUSH_CLOSE
(int) - Final flush prior to closing.
+添加备注
用户贡献的备注
此页面尚无用户贡献的备注。