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<title>Flush outbound query data on the connection</title>
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<h1 class="refname">pg_flush</h1>
<p class="verinfo">(PHP 5 >= 5.6.0, PHP 7)</p><p class="refpurpose"><span class="refname">pg_flush</span> — <span class="dc-title">Flush outbound query data on the connection</span></p>
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<div class="refsect1 description" id="refsect1-function.pg-flush-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <span class="methodname"><strong>pg_flush</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>pg_flush()</strong></span> flushes any outbound query data waiting to be
sent on the connection.
</p>
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<div class="refsect1 parameters" id="refsect1-function.pg-flush-parameters">
<h3 class="title">Parameters</h3>
<dl>
<dt>
<code class="parameter">connection</code></dt>
<dd>
<p class="para">
PostgreSQL database connection resource.
</p>
</dd>
</dl>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.pg-flush-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> if the flush was successful or no data was waiting to be
flushed, <em>0</em> if part of the pending data was flushed but
more remains or <strong><code>FALSE</code></strong> on failure.
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