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<title>Return the port number associated with the connection</title>
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<h1 class="refname">pg_port</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">pg_port</span> — <span class="dc-title">
Return the port number associated with the connection
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.pg-port-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>pg_port</strong></span>
([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><strong>pg_port()</strong></span> returns the port number that the
given PostgreSQL <em><code class="parameter">connection</code></em> resource is
connected to.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.pg-port-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">connection</code></em></span>
<dd>
<p class="para">
PostgreSQL database connection resource. When
<em><code class="parameter">connection</code></em> is not present, the default connection
is used. The default connection is the last connection made by
<span class="function"><a href="function.pg-connect.html" class="function">pg_connect()</a></span> or <span class="function"><a href="function.pg-pconnect.html" class="function">pg_pconnect()</a></span>.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.pg-port-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
An <span class="type"><a href="language.types.integer.html" class="type int">int</a></span> containing the port number of the database
server the <em><code class="parameter">connection</code></em> is to,
or <strong><code>FALSE</code></strong> on error.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.pg-port-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2106">
<p><strong>Example #1 <span class="function"><strong>pg_port()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$pgsql_conn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=mark host=localhost"</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">$pgsql_conn</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"Successfully connected to port: " </span><span style="color: #007700">. </span><span style="color: #0000BB">pg_port</span><span style="color: #007700">(</span><span style="color: #0000BB">$pgsql_conn</span><span style="color: #007700">) . </span><span style="color: #DD0000">"<br/>\n"</span><span style="color: #007700">;<br />} else {<br /> print </span><span style="color: #0000BB">pg_last_error</span><span style="color: #007700">(</span><span style="color: #0000BB">$pgsql_conn</span><span style="color: #007700">);<br /> exit;<br />}<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
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