<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>The PDO class</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="pdo.lobs.html">Large Objects (LOBs)</a></div>
<div class="next" style="text-align: right; float: right;"><a href="pdo.begintransaction.html">PDO::beginTransaction</a></div>
<div class="up"><a href="book.pdo.html">PDO</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="class.pdo" class="reference">
<h1 class="title">The PDO class</h1>
<div class="partintro"><p class="verinfo">(PHP 5 >= 5.1.0, PECL pdo >= 0.1.0)</p>
<div class="section" id="pdo.intro">
<h2 class="title">Introduction</h2>
<p class="para">
Represents a connection between PHP and a database server.
</p>
</div>
<div class="section" id="pdo.synopsis">
<h2 class="title">Class synopsis</h2>
<div class="classsynopsis">
<div class="ooclass"></div>
<div class="classsynopsisinfo">
<span class="ooclass">
<strong class="classname">PDO</strong>
</span>
{</div>
<div class="constructorsynopsis dc-description">
<span class="modifier">public</span> <span class="methodname"><a href="pdo.construct.html" class="methodname">__construct</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$dsn</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$username</code></span>
[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$password</code></span>
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$driver_options</code></span>
]]] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="pdo.begintransaction.html" class="methodname">beginTransaction</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="pdo.commit.html" class="methodname">commit</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="pdo.errorcode.html" class="methodname">errorCode</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">array</span> <span class="methodname"><a href="pdo.errorinfo.html" class="methodname">errorInfo</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">int</span> <span class="methodname"><a href="pdo.exec.html" class="methodname">exec</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$statement</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">mixed</span> <span class="methodname"><a href="pdo.getattribute.html" class="methodname">getAttribute</a></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$attribute</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="modifier">static</span> <span class="type">array</span> <span class="methodname"><a href="pdo.getavailabledrivers.html" class="methodname">getAvailableDrivers</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="pdo.intransaction.html" class="methodname">inTransaction</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="pdo.lastinsertid.html" class="methodname">lastInsertId</a></span>
([ <span class="methodparam"><span class="type">string</span> <code class="parameter">$name</code><span class="initializer"> = <strong><code>NULL</code></strong></span></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">PDOStatement</span> <span class="methodname"><a href="pdo.prepare.html" class="methodname">prepare</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$statement</code></span>
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$driver_options</code><span class="initializer"> = array()</span></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">PDOStatement</span> <span class="methodname"><a href="pdo.query.html" class="methodname">query</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$statement</code></span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">string</span> <span class="methodname"><a href="pdo.quote.html" class="methodname">quote</a></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$string</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$parameter_type</code><span class="initializer"> = PDO::PARAM_STR</span></span>
] )</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="pdo.rollback.html" class="methodname">rollBack</a></span>
( <span class="methodparam">void</span>
)</div>
<div class="methodsynopsis dc-description">
<span class="modifier">public</span> <span class="type">bool</span> <span class="methodname"><a href="pdo.setattribute.html" class="methodname">setAttribute</a></span>
( <span class="methodparam"><span class="type">int</span> <code class="parameter">$attribute</code></span>
, <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span> <code class="parameter">$value</code></span>
)</div>
}</div>
</div>
</div>
<h2>Table of Contents</h2><ul class="chunklist chunklist_reference"><li><a href="pdo.begintransaction.html">PDO::beginTransaction</a> — Initiates a transaction</li><li><a href="pdo.commit.html">PDO::commit</a> — Commits a transaction</li><li><a href="pdo.construct.html">PDO::__construct</a> — Creates a PDO instance representing a connection to a database</li><li><a href="pdo.errorcode.html">PDO::errorCode</a> — Fetch the SQLSTATE associated with the last operation on the database handle</li><li><a href="pdo.errorinfo.html">PDO::errorInfo</a> — Fetch extended error information associated with the last operation on the database handle</li><li><a href="pdo.exec.html">PDO::exec</a> — Execute an SQL statement and return the number of affected rows</li><li><a href="pdo.getattribute.html">PDO::getAttribute</a> — Retrieve a database connection attribute</li><li><a href="pdo.getavailabledrivers.html">PDO::getAvailableDrivers</a> — Return an array of available PDO drivers</li><li><a href="pdo.intransaction.html">PDO::inTransaction</a> — Checks if inside a transaction</li><li><a href="pdo.lastinsertid.html">PDO::lastInsertId</a> — Returns the ID of the last inserted row or sequence value</li><li><a href="pdo.prepare.html">PDO::prepare</a> — Prepares a statement for execution and returns a statement object</li><li><a href="pdo.query.html">PDO::query</a> — Executes an SQL statement, returning a result set as a PDOStatement object</li><li><a href="pdo.quote.html">PDO::quote</a> — Quotes a string for use in a query.</li><li><a href="pdo.rollback.html">PDO::rollBack</a> — Rolls back a transaction</li><li><a href="pdo.setattribute.html">PDO::setAttribute</a> — Set an attribute</li></ul>
</div>
<hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="pdo.lobs.html">Large Objects (LOBs)</a></div>
<div class="next" style="text-align: right; float: right;"><a href="pdo.begintransaction.html">PDO::beginTransaction</a></div>
<div class="up"><a href="book.pdo.html">PDO</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
