Source of: /manual/en/intro.xml.php
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<div id="intro.xml" class="preface">
<h1 class="title">Introduction</h1>
<p class="para">
XML (eXtensible Markup Language) is a data format for structured
document interchange on the Web. It is a standard defined by
The World Wide Web consortium (W3C). Information about XML and
related technologies can be found at <a href="http://www.w3.org/XML/" class="link external">» http://www.w3.org/XML/</a>.
</p>
<p class="para">
This PHP extension implements support for James Clark's
<span class="productname">expat</span> in PHP. This toolkit lets you
parse, but not validate, XML documents. It supports three
source <a href="xml.encoding.php" class="link">character encodings</a>
also provided by PHP: <i>US-ASCII</i>,
<i>ISO-8859-1</i> and <i>UTF-8</i>.
<i>UTF-16</i> is not supported.
</p>
<p class="para">
This extension lets you <a href="function.xml-parser-create.php" class="link">create XML parsers</a>
and then define <em class="emphasis">handlers</em> for different XML
events. Each XML parser also has a few <a href="function.xml-parser-set-option.php" class="link">parameters</a> you
can adjust.
</p>
</div><?php manual_footer(); ?>
