Source of: /manual/fa/function.pg-version.php
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<div id="function.pg-version" class="refentry">
<div class="refnamediv">
<h1 class="refname">pg_version</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">pg_version</span> — <span class="dc-title">
Returns an array with client, protocol and server version (when available)
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.pg-version-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><b>pg_version</b></span>
([ <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$connection</tt></span>
] )</div>
<p class="para rdfs-comment">
<span class="function"><b>pg_version()</b></span> returns an array with the client, protocol
and server version. Protocol and server versions are only available if PHP
was compiled with PostgreSQL 7.4 or later.
</p>
<p class="para">
For more detailed server information, use <span class="function"><a href="function.pg-parameter-status.php" class="function">pg_parameter_status()</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.pg-version-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><i><tt class="parameter">connection</tt></i></span>
<dd>
<p class="para">
PostgreSQL database connection resource. When
<i><tt class="parameter">connection</tt></i> 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.php" class="function">pg_connect()</a></span> or <span class="function"><a href="function.pg-pconnect.php" class="function">pg_pconnect()</a></span>.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.pg-version-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns an array with <i>client</i>, <i>protocol</i>
and <i>server</i> keys and values (if available). Returns
<b><tt>FALSE</tt></b> on error or invalid connection.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.pg-version-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-1793">
<p><b>Example #1 <span class="function"><b>pg_version()</b></span> example</b></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /> $dbconn </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"host=localhost port=5432 dbname=mary"</span><span style="color: #007700">)<br /> or die(</span><span style="color: #DD0000">"Could not connect"</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">$v </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_version</span><span style="color: #007700">(</span><span style="color: #0000BB">$dbconn</span><span style="color: #007700">);<br /> <br /> echo </span><span style="color: #0000BB">$v</span><span style="color: #007700">[</span><span style="color: #DD0000">'client'</span><span style="color: #007700">];<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
7.4
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.pg-version-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.pg-parameter-status.php" class="function" rel="rdfs-seeAlso">pg_parameter_status()</a> - Looks up a current parameter setting of the server.</span></li>
</ul>
</p>
</div>
</div><?php manual_footer(); ?>
