reference/stream/constants.xml
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</thead>
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<tbody>
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<row xml:id="constant.stream-filter-read">
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<entry><constant>STREAM_FILTER_READ</constant> *</entry>
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<entry><constant>STREAM_FILTER_READ</constant></entry>
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<entry>
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Used with <function>stream_filter_append</function> and
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<function>stream_filter_prepend</function> to indicate
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</entry>
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</row>
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<row xml:id="constant.stream-filter-write">
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<entry><constant>STREAM_FILTER_WRITE</constant> *</entry>
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<entry><constant>STREAM_FILTER_WRITE</constant></entry>
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<entry>
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Used with <function>stream_filter_append</function> and
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<function>stream_filter_prepend</function> to indicate
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</entry>
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</row>
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<row xml:id="constant.stream-filter-all">
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<entry><constant>STREAM_FILTER_ALL</constant> *</entry>
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<entry><constant>STREAM_FILTER_ALL</constant></entry>
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<entry>
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This constant is equivalent to
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<code>STREAM_FILTER_READ | STREAM_FILTER_WRITE</code>
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</entry>
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</row>
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<row xml:id="constant.psfs-pass-on">
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<entry><constant>PSFS_PASS_ON</constant> *</entry>
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<entry><constant>PSFS_PASS_ON</constant></entry>
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<entry><literal>Return Code</literal> indicating that the
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userspace filter returned buckets in <parameter>$out</parameter>.
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</entry>
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</row>
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<row xml:id="constant.psfs-feed-me">
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<entry><constant>PSFS_FEED_ME</constant> *</entry>
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<entry><constant>PSFS_FEED_ME</constant></entry>
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<entry><literal>Return Code</literal> indicating that the
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userspace filter did not return buckets in <parameter>$out</parameter>
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(i.e. No data available).
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</entry>
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</row>
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<row xml:id="constant.psfs-err-fatal">
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<entry><constant>PSFS_ERR_FATAL</constant> *</entry>
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<entry><constant>PSFS_ERR_FATAL</constant></entry>
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<entry><literal>Return Code</literal> indicating that the
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userspace filter encountered an unrecoverable error
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(i.e. Invalid data received).
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</entry>
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</row>
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<row xml:id="constant.stream-client-async-connect">
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<entry><constant>STREAM_CLIENT_ASYNC_CONNECT</constant> *</entry>
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<entry><constant>STREAM_CLIENT_ASYNC_CONNECT</constant></entry>
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<entry>Open client socket asynchronously. This option must be used
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together with the <constant>STREAM_CLIENT_CONNECT</constant> flag.
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Used with <function>stream_socket_client</function>.
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</entry>
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</row>
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<row xml:id="constant.stream-client-connect">
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<entry><constant>STREAM_CLIENT_CONNECT</constant> *</entry>
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<entry><constant>STREAM_CLIENT_CONNECT</constant></entry>
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<entry>Open client socket connection. Client sockets should always
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include this flag. Used with <function>stream_socket_client</function>.
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</entry>
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</row>
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<row xml:id="constant.stream-client-persistent">
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<entry><constant>STREAM_CLIENT_PERSISTENT</constant> *</entry>
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<entry><constant>STREAM_CLIENT_PERSISTENT</constant></entry>
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<entry>Client socket opened with <function>stream_socket_client</function>
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should remain persistent between page loads.
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</entry>
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</row>
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<row xml:id="constant.stream-server-bind">
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<entry><constant>STREAM_SERVER_BIND</constant> *</entry>
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<entry><constant>STREAM_SERVER_BIND</constant></entry>
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<entry>Tells a stream created with <function>stream_socket_server</function>
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to bind to the specified target. Server sockets should always include this flag.
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</entry>
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</row>
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<row xml:id="constant.stream-server-listen">
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<entry><constant>STREAM_SERVER_LISTEN</constant> *</entry>
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<entry><constant>STREAM_SERVER_LISTEN</constant></entry>
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<entry>Tells a stream created with <function>stream_socket_server</function>
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and bound using the <constant>STREAM_SERVER_BIND</constant> flag to start
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listening on the socket. Connection-orientated transports (such as TCP)
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</entry>
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</row>
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<row xml:id="constant.stream-notify-resolve">
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<entry><constant>STREAM_NOTIFY_RESOLVE</constant> *</entry>
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<entry><constant>STREAM_NOTIFY_RESOLVE</constant></entry>
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<entry>
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A remote address required for this stream has been resolved, or the resolution
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failed. See <parameter>severity</parameter> for an indication of which happened.
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</entry>
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</row>
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<row xml:id="constant.stream-notify-completed">
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<entry><constant>STREAM_NOTIFY_COMPLETED</constant> *</entry>
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<entry><constant>STREAM_NOTIFY_COMPLETED</constant></entry>
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<entry>
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There is no more data available on the stream.
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</entry>
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<entry><constant>STREAM_SHUT_RD</constant></entry>
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<entry>
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Used with <function>stream_socket_shutdown</function> to disable
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further receptions. Added in PHP 5.2.1.
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further receptions.
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</entry>
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</row>
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<row xml:id="constant.stream-shut-wr">
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<entry><constant>STREAM_SHUT_WR</constant></entry>
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<entry>
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Used with <function>stream_socket_shutdown</function> to disable
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further transmissions. Added in PHP 5.2.1.
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further transmissions.
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</entry>
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</row>
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<row xml:id="constant.stream-shut-rdwr">
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<entry><constant>STREAM_SHUT_RDWR</constant></entry>
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<entry>
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Used with <function>stream_socket_shutdown</function> to disable
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further receptions and transmissions. Added in PHP 5.2.1.
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further receptions and transmissions.
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</entry>
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</row>
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<row xml:id="constant.stream-cast-for-select">
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Used with <function>stream_metadata</function>, to specify <function>chmod</function> call.
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</entry>
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</row>
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<row xml:id="constant.stream-buffer-none">
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<entry><constant>STREAM_BUFFER_NONE</constant></entry>
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<entry>
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No buffering.
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</entry>
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</row>
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<row xml:id="constant.stream-buffer-line">
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<entry><constant>STREAM_BUFFER_LINE</constant></entry>
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<entry>
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Line buffering.
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</entry>
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</row>
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<row xml:id="constant.stream-buffer-full">
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<entry><constant>STREAM_BUFFER_FULL</constant></entry>
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<entry>
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Full buffering.
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</entry>
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</row>
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</tbody>
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</tgroup>
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</informaltable>
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</para>
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<note>
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<simpara>
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The constants marked with <literal>*</literal> are just available since
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PHP 5.0.0.
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</simpara>
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</note>
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<note>
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<simpara>
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The constants marked with <literal>+</literal> are available since PHP
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5.1.0 and are meant to be used with
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The constants marked with <literal>+</literal> are meant to be used with
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<function>stream_socket_pair</function>. Please note that some of these
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constants might not be available in your system.
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</simpara>
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</note>
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<note>
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<simpara>
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The <constant>STREAM_META_*</constant> constants are available since PHP
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5.4.0 and are meant to be used with <function>stream_metadata</function>.
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The <constant>STREAM_META_*</constant> constants
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are meant to be used with <function>stream_metadata</function>.
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</simpara>
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</note>
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</appendix>
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