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<title>Predefined Constants</title>
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</div><hr /><div id="swoole.constants" class="appendix">
<h1>Predefined Constants</h1>
<p class="simpara">
The constants below are defined by this extension, and
will only be available when the extension has either
been compiled into PHP or dynamically loaded at runtime.
</p>
<p class="para">
<dl>
<dt id="constant.swoole-base">
<strong><code>SWOOLE_BASE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-thread">
<strong><code>SWOOLE_THREAD</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-process">
<strong><code>SWOOLE_PROCESS</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-ipc-unsock">
<strong><code>SWOOLE_IPC_UNSOCK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-ipc-msgqueue">
<strong><code>SWOOLE_IPC_MSGQUEUE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-ipc-preemptive">
<strong><code>SWOOLE_IPC_PREEMPTIVE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-tcp">
<strong><code>SWOOLE_SOCK_TCP</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-tcp6">
<strong><code>SWOOLE_SOCK_TCP6</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-udp">
<strong><code>SWOOLE_SOCK_UDP</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-udp6">
<strong><code>SWOOLE_SOCK_UDP6</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-unix-dgram">
<strong><code>SWOOLE_SOCK_UNIX_DGRAM</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-unix-stream">
<strong><code>SWOOLE_SOCK_UNIX_STREAM</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-tcp">
<strong><code>SWOOLE_TCP</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-tcp6">
<strong><code>SWOOLE_TCP6</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-udp">
<strong><code>SWOOLE_UDP</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-udp6">
<strong><code>SWOOLE_UDP6</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-unix-dgram">
<strong><code>SWOOLE_UNIX_DGRAM</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-unix-stream">
<strong><code>SWOOLE_UNIX_STREAM</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-sync">
<strong><code>SWOOLE_SOCK_SYNC</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sock-async">
<strong><code>SWOOLE_SOCK_ASYNC</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sync">
<strong><code>SWOOLE_SYNC</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-async">
<strong><code>SWOOLE_ASYNC</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-keep">
<strong><code>SWOOLE_KEEP</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-event-read">
<strong><code>SWOOLE_EVENT_READ</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-event-write">
<strong><code>SWOOLE_EVENT_WRITE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-version">
<strong><code>SWOOLE_VERSION</code></strong>
(<span class="type"><a href="language.types.string.html" class="type string">string</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-aio-base">
<strong><code>SWOOLE_AIO_BASE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-aio-linux">
<strong><code>SWOOLE_AIO_LINUX</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-filelock">
<strong><code>SWOOLE_FILELOCK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-mutex">
<strong><code>SWOOLE_MUTEX</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-sem">
<strong><code>SWOOLE_SEM</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-rwlock">
<strong><code>SWOOLE_RWLOCK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-opcode-text">
<strong><code>WEBSOCKET_OPCODE_TEXT</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-opcode-binary">
<strong><code>WEBSOCKET_OPCODE_BINARY</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-opcode-ping">
<strong><code>WEBSOCKET_OPCODE_PING</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-status-connection">
<strong><code>WEBSOCKET_STATUS_CONNECTION</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-status-handshake">
<strong><code>WEBSOCKET_STATUS_HANDSHAKE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-status-frame">
<strong><code>WEBSOCKET_STATUS_FRAME</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.websocket-status-active">
<strong><code>WEBSOCKET_STATUS_ACTIVE</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
<dt id="constant.swoole-fast-pack">
<strong><code>SWOOLE_FAST_PACK</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
</span>
</dd>
</dl>
</p>
</div>
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