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<h2 class="title">New Extensions</h2>
<p class="para">
The following are new extensions added (by default) as of PHP 5.2.0:
</p>
<ul class="itemizedlist">
<li class="listitem">
<span class="simpara">
<a href="ref.filter.html" class="link">Filter</a>
- validates and filters data, and is designed for use with insecure
data such as user input. This extension is enabled by default; the
default mode RAW does not impact input data in any way.
</span>
</li>
<li class="listitem">
<span class="simpara">
<a href="ref.json.html" class="link">JSON</a>
- implements the JavaScript Object Notation (JSON)
data interchange format. This extension is enabled by default.
</span>
</li>
<li class="listitem">
<span class="simpara">
<a href="ref.zip.html" class="link">Zip</a>
- enables you to transparently read or write ZIP
compressed archives and the files inside them.
</span>
</li>
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