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<title>Predefined Constants</title>
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</div><hr /><div id="mongo.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.mongo-streams">
<strong><code>MONGO_STREAMS</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
Alias of <strong><code>MONGO_SUPPORTS_STREAMS</code></strong>
</span>
</dd>
<dt id="constant.mongo-supports-streams">
<strong><code>MONGO_SUPPORTS_STREAMS</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when compiled against PHP Streams (default since 1.4.0).
</span>
</dd>
<dt id="constant.mongo-supports-ssl">
<strong><code>MONGO_SUPPORTS_SSL</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when <a href="book.openssl.html" class="xref">OpenSSL</a> is enabled and available.
</span>
</dd>
<dt id="constant.mongo-supports-auth-mechanism-mongodb-cr">
<strong><code>MONGO_SUPPORTS_AUTH_MECHANISM_MONGODB_CR</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when MongoDB-Challenge/Reponse authentication is compiled in.
</span>
</dd>
<dt id="constant.mongo-supports-auth-mechanism-mongodb-x509">
<strong><code>MONGO_SUPPORTS_AUTH_MECHANISM_MONGODB_X509</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when x.509 authentication is compiled in.
</span>
</dd>
<dt id="constant.mongo-supports-auth-mechanism-gssapi">
<strong><code>MONGO_SUPPORTS_AUTH_MECHANISM_GSSAPI</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when GSSAPI authentication is compiled in.
</span>
</dd>
<dt id="constant.mongo-supports-auth-mechanism-plain">
<strong><code>MONGO_SUPPORTS_AUTH_MECHANISM_PLAIN</code></strong>
(<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>)
</dt>
<dd>
<span class="simpara">
1 when PLAIN authentication is compiled in.
</span>
</dd>
<dt id="constant.mongo-stream-notify-type-io-init">
<strong><code>MONGO_STREAM_NOTIFY_TYPE_IO_INIT</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.mongo-stream-notify-type-log">
<strong><code>MONGO_STREAM_NOTIFY_TYPE_LOG</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.mongo-stream-notify-io-read">
<strong><code>MONGO_STREAM_NOTIFY_IO_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.mongo-stream-notify-io-write">
<strong><code>MONGO_STREAM_NOTIFY_IO_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.mongo-stream-notify-io-progress">
<strong><code>MONGO_STREAM_NOTIFY_IO_PROGRESS</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.mongo-stream-notify-io-completed">
<strong><code>MONGO_STREAM_NOTIFY_IO_COMPLETED</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.mongo-stream-notify-log-insert">
<strong><code>MONGO_STREAM_NOTIFY_LOG_INSERT</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.mongo-stream-notify-log-query">
<strong><code>MONGO_STREAM_NOTIFY_LOG_QUERY</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.mongo-stream-notify-log-update">
<strong><code>MONGO_STREAM_NOTIFY_LOG_UPDATE</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.mongo-stream-notify-log-delete">
<strong><code>MONGO_STREAM_NOTIFY_LOG_DELETE</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.mongo-stream-notify-log-getmore">
<strong><code>MONGO_STREAM_NOTIFY_LOG_GETMORE</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.mongo-stream-notify-log-killcursor">
<strong><code>MONGO_STREAM_NOTIFY_LOG_KILLCURSOR</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.mongo-stream-notify-log-batchinsert">
<strong><code>MONGO_STREAM_NOTIFY_LOG_BATCHINSERT</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.mongo-stream-notify-log-response-header">
<strong><code>MONGO_STREAM_NOTIFY_LOG_RESPONSE_HEADER</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.mongo-stream-notify-log-write-reply">
<strong><code>MONGO_STREAM_NOTIFY_LOG_WRITE_REPLY</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.mongo-stream-notify-log-cmd-insert">
<strong><code>MONGO_STREAM_NOTIFY_LOG_CMD_INSERT</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.mongo-stream-notify-log-cmd-update">
<strong><code>MONGO_STREAM_NOTIFY_LOG_CMD_UPDATE</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.mongo-stream-notify-log-cmd-delete">
<strong><code>MONGO_STREAM_NOTIFY_LOG_CMD_DELETE</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.mongo-stream-notify-log-write-batch">
<strong><code>MONGO_STREAM_NOTIFY_LOG_WRITE_BATCH</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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