Source of: /manual/en/function.mysql-close.php
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<div id="function.mysql-close" class="refentry">
<div class="refnamediv">
<h1 class="refname">mysql_close</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">mysql_close</span> — <span class="dc-title">Close MySQL connection</span></p>
</div>
<a name="function.mysql-close.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><b>mysql_close</b></span>
([ <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$link_identifier</tt></span>
] )</div>
<p class="para rdfs-comment">
<b>mysql_close()</b> closes the non-persistent connection to
the MySQL server that's associated with the specified link identifier. If
<i><tt class="parameter">link_identifier</tt></i>
isn't specified, the last opened
link is used.
</p>
<p class="para">
Using <b>mysql_close()</b> isn't usually necessary,
as non-persistent open links are automatically closed at the end
of the script's execution. See also
<a href="language.types.resource.php#language.types.resource.self-destruct" class="link">freeing
resources</a>.
</p>
</div>
<a name="function.mysql-close.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">
link_identifier</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">The MySQL connection. If the
link identifier is not specified, the last link opened by
<a href="function.mysql-connect.php" class="function">mysql_connect()</a> is assumed. If no such link is found, it
will try to create one as if <a href="function.mysql-connect.php" class="function">mysql_connect()</a> was called
with no arguments. If no connection is found or established, an
<b><tt class="constant">E_WARNING</tt></b> level error is generated.</p></dd>
</dl>
<p>
</p>
</div>
<a name="function.mysql-close.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <b><tt class="constant">TRUE</tt></b> on success or <b><tt class="constant">FALSE</tt></b> on failure.
</p>
</div>
<a name="function.mysql-close.examples"></a><div class="refsect1 examples">
<h3 class="title">Examples</h3>
<p class="para">
</p><div class="example">
<p><b>Example #1 <b>mysql_close()</b> example</b></p>
<div class="example-contents programlisting">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$link </span><span style="color: #007700">= </span><span style="color: #0000BB">mysql_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_user'</span><span style="color: #007700">, </span><span style="color: #DD0000">'mysql_password'</span><span style="color: #007700">);<br />if (!</span><span style="color: #0000BB">$link</span><span style="color: #007700">) {<br /> die(</span><span style="color: #DD0000">'Could not connect: ' </span><span style="color: #007700">. </span><span style="color: #0000BB">mysql_error</span><span style="color: #007700">());<br />}<br />echo </span><span style="color: #DD0000">'Connected successfully'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">mysql_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
<div class="example-contents para"><p>The above example will output:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Connected successfully
</pre></div>
</div>
</div><p>
</p>
</div>
<a name="function.mysql-close.notes"></a><div class="refsect1 notes">
<h3 class="title">Notes</h3>
<blockquote><p><b class="note">Note</b>:
<b>mysql_close()</b> will not close persistent links
created by <a href="function.mysql-pconnect.php" class="function">mysql_pconnect()</a>.
<br />
</p></blockquote>
</div>
<a name="function.mysql-close.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.mysql-connect.php" class="function" rel="rdfs-seeAlso">mysql_connect()</a> - Open a connection to a MySQL Server</li>
<li class="member"><a href="function.mysql-free-result.php" class="function" rel="rdfs-seeAlso">mysql_free_result()</a> - Free result memory</li>
</ul><p>
</p>
</div>
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