mysqli.installation.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Installation</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.setup.html">Installing/Configuring</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.configuration.html">Runtime Configuration</a></div> <div class="up"><a href="mysqli.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="mysqli.installation" class="section"> <h2 class="title">Installation</h2> <p class="para" id="mysqli.configure" name="mysqli.configure"> To install the mysqli extension for PHP, use the <span class="option">--with-mysqli=mysql_config_path/mysql_config</span> configuration option where <i>mysql_config_path</i> represents the location of the <i>mysql_config</i> program that comes with MySQL versions greater than 4.1. </p> <p class="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. </p> <div id="mysqli.installation.windows" class="section"> <h2 class="title">Installation on Windows Systems</h2> <p class="para"> MySQLi is not enabled by default, so the <var class="filename">php_mysqli.dll</var> DLL must be enabled inside of <var class="filename">php.ini</var>. Also, PHP needs access to the MySQL client library. A file named <var class="filename">libmysql.dll</var> 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 <span class="envar">PATH</span>. See the FAQ titled "<a href="faq.installation.html#faq.installation.addtopath" class="link">How do I add my PHP directory to the PATH on Windows</a>" for information on how to do this. Although copying <var class="filename">libmysql.dll</var> to the Windows system directory also works (because the system directory is by default in the system's <span class="envar">PATH</span>), it's not recommended. </p> <p class="para"> As with enabling any PHP extension (such as <var class="filename">php_mysqli.dll</var>), the PHP directive <a href="ini.core.html#ini.extension-dir" class="link">extension_dir</a> should be set to the directory where the PHP extensions are located. See also the <a href="install.windows.manual.html" class="link">Manual Windows Installation Instructions</a>. An example extension_dir value for PHP 5 is <i>c:\php\ext</i> </p> <blockquote><p><b class="note">Note</b>: If when starting the web server an error similar to the following occurs: <i>"Unable to load dynamic library './php_mysqli.dll'"</i>, this is because <var class="filename">php_mysqli.dll</var> and/or <var class="filename">libmysql.dll</var> cannot be found by the system. <br /> </p></blockquote> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="mysqli.setup.html">Installing/Configuring</a></div> <div class="next" style="text-align: right; float: right;"><a href="mysqli.configuration.html">Runtime Configuration</a></div> <div class="up"><a href="mysqli.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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