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<?xml version="1.0" encoding="iso-8859-1"?>
<!-- $Revision: 1.11 $ -->
<section xml:id="mysqli.installation" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
&reftitle.install;
<para xml:id="mysqli.configure">
To install the mysqli extension for PHP, use the
<option role="configure">--with-mysqli=mysql_config_path/mysql_config</option>
configuration option where <literal>mysql_config_path</literal> represents
the location of the <literal>mysql_config</literal> program that comes
with MySQL versions greater than 4.1.
</para>
<para>
If you would like to install the mysql extension along with the mysqli extension
you have to use the same client library to avoid any conflicts.
</para>
<section xml:id="mysqli.installation.windows">
<title>Installation on Windows Systems</title>
<para>
MySQLi is not enabled by default, so the
<filename>php_mysqli.dll</filename> DLL must be enabled inside of
&php.ini;. Also, PHP needs access to the MySQL client library. A file
named <filename>libmysql.dll</filename> is included in the Windows PHP
distribution and in order for PHP to talk to MySQL this file needs to be
available to the Windows systems <envar>PATH</envar>. See the FAQ
titled "<link linkend="faq.installation.addtopath">How do I add my PHP
directory to the PATH on Windows</link>" for information on how to do
this. Although copying <filename>libmysql.dll</filename> to the Windows
system directory also works (because the system directory is by default in
the system's <envar>PATH</envar>), it's not recommended.
</para>
<para>
As with enabling any PHP extension (such as
<filename>php_mysqli.dll</filename>), the PHP directive
<link linkend="ini.extension-dir">extension_dir</link> should be set to
the directory where the PHP extensions are located. See also the
<link linkend="install.windows.manual">Manual Windows Installation
Instructions</link>. An example extension_dir value for PHP 5 is
<literal>c:\php\ext</literal>
</para>
<note>
<para>
If when starting the web server an error similar to the following occurs:
<literal>"Unable to load dynamic library './php_mysqli.dll'"</literal>,
this is because <filename>php_mysqli.dll</filename> and/or
<filename>libmysql.dll</filename> cannot be found by the system.
</para>
</note>
</section>
</section>
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sgml-always-quote-attributes:t
sgml-indent-step:1
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sgml-parent-document:nil
sgml-default-dtd-file:"../../../manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
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vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
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