<!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>Key PHP 5.1.x features</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div>
<div class="next" style="text-align: right; float: right;"><a href="migration51.references.html">Changes in reference handling</a></div>
<div class="up"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="migration51.changes" class="section">
<h2 class="title">Key PHP 5.1.x features</h2>
<p class="para">
Some of the key features of PHP 5.1.x include:
</p>
<ul class="itemizedlist">
<li class="listitem">
<p class="para">
A complete rewrite of date handling code, with improved timezone support.
</p>
</li>
<li class="listitem">
<p class="para">
Significant performance improvements compared to PHP 5.0.X.
</p>
</li>
<li class="listitem">
<p class="para">
PDO extension is now enabled by default.
</p>
</li>
<li class="listitem">
<p class="para">
Over 30 new functions in various extensions and built-in functionality.
</p>
</li>
<li class="listitem">
<p class="para">
Over 400 various bug fixes.
</p>
</li>
</ul>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div>
<div class="next" style="text-align: right; float: right;"><a href="migration51.references.html">Changes in reference handling</a></div>
<div class="up"><a href="migration51.html">Migrating from PHP 5.0.x to PHP 5.1.x</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
