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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>Databases</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="migration5.newconf.html">New Directives</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration5.oop.html">New Object Model</a></div> <div class="up"><a href="migration5.html">Migrating from PHP 4 to PHP 5.0.x</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="migration5.databases" class="section"> <h2 class="title">Databases</h2> <p class="para"> There were some changes in PHP 5 regarding databases (MySQL and SQLite). </p> <p class="para"> In PHP 5 the MySQL client libraries are not bundled, because of license problems and some others. For more information, read the <a href="faq.databases.html#faq.databases.mysql.php5" class="link">FAQ entry</a>. </p> <p class="para"> There is also a new extension, <a href="ref.mysqli.html" class="link">MySQLi (Improved MySQL)</a>, which is designed to work with MySQL 4.1 and above. </p> <p class="para"> Since PHP 5, the <a href="ref.sqlite.html" class="link">SQLite</a> extension is built-in PHP. SQLite is an embeddable SQL database engine and is not a client library used to connect to a big database server (like MySQL or PostgreSQL). The SQLite library reads and writes directly to and from the database files on disk. </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="migration5.newconf.html">New Directives</a></div> <div class="next" style="text-align: right; float: right;"><a href="migration5.oop.html">New Object Model</a></div> <div class="up"><a href="migration5.html">Migrating from PHP 4 to PHP 5.0.x</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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