doc-en/reference/mysql/functions/mysql-close.xml at master · php/doc-en · GitHub

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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="function.mysql-close" xmlns="http://docbook.org/ns/docbook">
 <refnamediv>
  <refname>mysql_close</refname>
  <refpurpose>Close MySQL connection</refpurpose>
 </refnamediv>

 <refsynopsisdiv>
  <warning>
   &mysql.alternative.note;
   <simplelist role="alternatives">
    <member><function>mysqli_close</function></member>
    <member>PDO: Assign the value of &null; to the PDO object</member>
   </simplelist>
  </warning>
 </refsynopsisdiv>

 <refsect1 role="description">
  &reftitle.description;
  <methodsynopsis>
   <type>bool</type><methodname>mysql_close</methodname>
   <methodparam choice="opt"><type>resource</type><parameter>link_identifier</parameter><initializer>NULL</initializer></methodparam>
  </methodsynopsis>
  <para>
   <function>mysql_close</function> closes the non-persistent connection to
   the MySQL server that's associated with the specified link identifier. If
   <parameter>link_identifier</parameter> isn't specified, the last opened
   link is used.
  </para>
  &mysql.close.connections.result.sets;
 </refsect1>

 <refsect1 role="parameters">
  &reftitle.parameters;
  <para>
   <variablelist>
    &mysql.linkid-noreopen.description;
   </variablelist>
  </para>
 </refsect1>

 <refsect1 role="returnvalues">
  &reftitle.returnvalues;
  <para>
   &return.success;
  </para>
 </refsect1>

 <refsect1 role="examples">
  &reftitle.examples;
  <para>
   <example>
    <title><function>mysql_close</function> example</title>
    <programlisting role="php">
<![CDATA[
<?php
$link = mysql_connect('localhost', 'mysql_user', 'mysql_password');
if (!$link) {
    die('Could not connect: ' . mysql_error());
}
echo 'Connected successfully';
mysql_close($link);
?>
]]>
    </programlisting>
    &example.outputs;
    <screen>
<![CDATA[
Connected successfully
]]>
    </screen>
   </example>
  </para>
 </refsect1>

 <refsect1 role="notes">
  &reftitle.notes;
  <note>
   <para>
    <function>mysql_close</function> will not close persistent links
    created by <function>mysql_pconnect</function>.
    For additional details, see the manual page on
    <link linkend="features.persistent-connections">persistent connections</link>.
   </para>
  </note>
 </refsect1>

 <refsect1 role="seealso">
  &reftitle.seealso;
  <para>
   <simplelist>
    <member><function>mysql_connect</function></member>
    <member><function>mysql_free_result</function></member>
   </simplelist>
  </para>
 </refsect1>
</refentry>

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