<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
 
<book xml:id="book.pdo" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
 <?phpdoc extension-membership="bundled" ?>
 <title>PHP Data Objects</title>
 <titleabbrev>PDO</titleabbrev>
 
 <!-- {{{ preface -->
 <preface xml:id="intro.pdo">
  &reftitle.intro;
  <para>
   The <literal>PHP Data Objects</literal> (<acronym>PDO</acronym>) extension defines a lightweight, consistent interface
   for accessing databases in PHP. Each database driver that
   implements the PDO interface can expose database-specific
   features as regular extension functions. Note that you cannot
   perform any database functions using the PDO extension by
   itself; you must use a <link linkend="pdo.drivers">database-specific
   PDO driver</link> to access a database server.
  </para>
  <para>
   PDO provides a <emphasis>data-access</emphasis> abstraction layer, which
   means that, regardless of which database you're using, you use the same
   functions to issue queries and fetch data.  PDO does
   <emphasis>not</emphasis> provide a <emphasis>database</emphasis>
   abstraction; it doesn't rewrite SQL or emulate missing features.  You
   should use a full-blown abstraction layer if you need that facility.
  </para>
  <para>
   PDO ships with PHP.
  </para>
 </preface>
 <!-- }}} -->
 
 &reference.pdo.setup;
 &reference.pdo.constants;

 &reference.pdo.connections;
 &reference.pdo.transactions;
 &reference.pdo.prepared-statements;
 &reference.pdo.error-handling;
 &reference.pdo.lobs;

 &reference.pdo.pdo;
 &reference.pdo.pdostatement;
 &reference.pdo.pdoexception;

 &reference.pdo.drivers;

</book>

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