Документация PHP


Stream Classes

Stream Filters

Streams

PHP Manual


Предопределенные константы

Перечисленные ниже константы определены данным расширением и могут быть доступны только в том случае, если PHP был собран с поддержкой этого расширения или же в том случае, если данное расширение подгружается во время выполнения.

Constant Description
STREAM_FILTER_READ * Used with stream_filter_append() and stream_filter_prepend() to indicate that the specified filter should only be applied when reading
STREAM_FILTER_WRITE * Used with stream_filter_append() and stream_filter_prepend() to indicate that the specified filter should only be applied when writing
STREAM_FILTER_ALL * This constant is equivalent to STREAM_FILTER_READ | STREAM_FILTER_WRITE
PSFS_PASS_ON * Return Code indicating that the userspace filter returned buckets in $out .
PSFS_FEED_ME * Return Code indicating that the userspace filter did not return buckets in $out (i.e. No data available).
PSFS_ERR_FATAL * Return Code indicating that the userspace filter encountered an unrecoverable error (i.e. Invalid data received).
STREAM_USE_PATH Flag indicating if the stream used the include path.
STREAM_REPORT_ERRORS Flag indicating if the wrapper is responsible for raising errors using trigger_error() during opening of the stream. If this flag is not set, you should not raise any errors.
STREAM_CLIENT_ASYNC_CONNECT * Open client socket asynchronously. This option must be used together with the STREAM_CLIENT_CONNECT flag. Used with stream_socket_client().
STREAM_CLIENT_CONNECT * Open client socket connection. Client sockets should always include this flag. Used with stream_socket_client().
STREAM_CLIENT_PERSISTENT * Client socket opened with stream_socket_client() should remain persistent between page loads.
STREAM_SERVER_BIND * Tells a stream created with stream_socket_server() to bind to the specified target. Server sockets should always include this flag.
STREAM_SERVER_LISTEN * Tells a stream created with stream_socket_server() and bound using the STREAM_SERVER_BIND flag to start listening on 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.
STREAM_NOTIFY_RESOLVE * A remote address required for this stream has been resolved, or the resolution failed. See severity for an indication of which happened.
STREAM_NOTIFY_CONNECT A connection with an external resource has been established.
STREAM_NOTIFY_AUTH_REQUIRED Additional authorization is required to access the specified resource. Typical issued with severity level of STREAM_NOTIFY_SEVERITY_ERR.
STREAM_NOTIFY_MIME_TYPE_IS The mime-type of resource has been identified, refer to message for a description of the discovered type.
STREAM_NOTIFY_FILE_SIZE_IS The size of the resource has been discovered.
STREAM_NOTIFY_REDIRECTED The external resource has redirected the stream to an alternate location. Refer to message .
STREAM_NOTIFY_PROGRESS Indicates current progress of the stream transfer in bytes_transferred and possibly bytes_max as well.
STREAM_NOTIFY_COMPLETED * There is no more data available on the stream.
STREAM_NOTIFY_FAILURE A generic error occurred on the stream, consult message and message_code for details.
STREAM_NOTIFY_AUTH_RESULT Authorization has been completed (with or without success).
STREAM_NOTIFY_SEVERITY_INFO Normal, non-error related, notification.
STREAM_NOTIFY_SEVERITY_WARN Non critical error condition. Processing may continue.
STREAM_NOTIFY_SEVERITY_ERR A critical error occurred. Processing cannot continue.
STREAM_IPPROTO_ICMP + Provides a ICMP socket.
STREAM_IPPROTO_IP + Provides a IP socket.
STREAM_IPPROTO_RAW + Provides a RAW socket.
STREAM_IPPROTO_TCP + Provides a TCP socket.
STREAM_IPPROTO_UDP + Provides a UDP socket.
STREAM_PF_INET + Internet Protocol Version 4 (IPv4).
STREAM_PF_INET6 + Internet Protocol Version 6 (IPv6).
STREAM_PF_UNIX + Unix system internal protocols.
STREAM_SOCK_DGRAM + Provides datagrams, which are connectionless messages (UDP, for example).
STREAM_SOCK_RAW + 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 + Provides a RDM (Reliably-delivered messages) socket.
STREAM_SOCK_SEQPACKET + Provides a sequenced packet stream socket.
STREAM_SOCK_STREAM + Provides sequenced, two-way byte streams with a transmission mechanism for out-of-band data (TCP, for example).
STREAM_SHUT_RD Used with stream_socket_shutdown() to disable further receptions. Added in PHP 5.2.1.
STREAM_SHUT_WR Used with stream_socket_shutdown() to disable further transmissions. Added in PHP 5.2.1.
STREAM_SHUT_RDWR Used with stream_socket_shutdown() to disable further receptions and transmissions. Added in PHP 5.2.1.

Замечание: The constants marked with * are just available since PHP 5.0.0.

Замечание: The constants marked with + are available since PHP 5.1.0 and are meant to be used with stream_socket_pair(). Please note that some of these constants might not be available in your system.


Stream Classes

Stream Filters

Streams

PHP Manual

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