<!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>Enables the ability to use PHP functions as XSLT functions</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="xsltprocessor.importstylesheet.html">XSLTProcessor::importStylesheet</a></div>
<div class="next" style="text-align: right; float: right;"><a href="xsltprocessor.removeparameter.html">XSLTProcessor::removeParameter</a></div>
<div class="up"><a href="class.xsltprocessor.html">XSLTProcessor</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div><hr /><div id="xsltprocessor.registerphpfunctions" class="refentry">
<div class="refnamediv">
<h1 class="refname">XSLTProcessor::registerPHPFunctions</h1>
<p class="verinfo">(PHP 5 >= 5.0.4)</p><p class="refpurpose"><span class="refname">XSLTProcessor::registerPHPFunctions</span> — <span class="dc-title">Enables the ability to use PHP functions as XSLT functions</span></p>
</div>
<div class="refsect1 description" id="refsect1-xsltprocessor.registerphpfunctions-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span>
<span class="methodname"><strong>XSLTProcessor::registerPHPFunctions</strong></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">$restrict</code></span>
] )</div>
<p class="para rdfs-comment">
This method enables the ability to use PHP functions as XSLT functions
within XSL stylesheets.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-xsltprocessor.registerphpfunctions-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">restrict</code></em></span>
<dd>
<p class="para">
Use this parameter to only allow certain functions to be called from
XSLT.
</p>
<p class="para">
This parameter can be either a string (a function name) or an array of
functions.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-xsltprocessor.registerphpfunctions-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
<div class="refsect1 examples" id="refsect1-xsltprocessor.registerphpfunctions-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-5540">
<p><strong>Example #1 Simple PHP Function call from a stylesheet</strong></p>
<div class="example-contents"><div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$xml </span><span style="color: #007700">= <<<EOB<br /></span><span style="color: #DD0000"><allusers><br /> <user><br /> <uid>bob</uid><br /> </user><br /> <user><br /> <uid>joe</uid><br /> </user><br /></allusers><br /></span><span style="color: #007700">EOB;<br /></span><span style="color: #0000BB">$xsl </span><span style="color: #007700">= <<<EOB<br /></span><span style="color: #DD0000"><?xml version="1.0" encoding="UTF-8"?><br /><xsl:stylesheet version="1.0" <br /> xmlns:xsl="http://www.w3.org/1999/XSL/Transform"<br /> xmlns:php="http://php.net/xsl"><br /><xsl:output method="html" encoding="utf-8" indent="yes"/><br /> <xsl:template match="allusers"><br /> <html><body><br /> <h2>Users</h2><br /> <table><br /> <xsl:for-each select="user"><br /> <tr><td><br /> <xsl:value-of<br /> select="php:function('ucfirst',string(uid))"/><br /> </td></tr><br /> </xsl:for-each><br /> </table><br /> </body></html><br /> </xsl:template><br /></xsl:stylesheet><br /></span><span style="color: #007700">EOB;<br /></span><span style="color: #0000BB">$xmldoc </span><span style="color: #007700">= </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">::</span><span style="color: #0000BB">loadXML</span><span style="color: #007700">(</span><span style="color: #0000BB">$xml</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$xsldoc </span><span style="color: #007700">= </span><span style="color: #0000BB">DOMDocument</span><span style="color: #007700">::</span><span style="color: #0000BB">loadXML</span><span style="color: #007700">(</span><span style="color: #0000BB">$xsl</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$proc </span><span style="color: #007700">= new </span><span style="color: #0000BB">XSLTProcessor</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$proc</span><span style="color: #007700">-></span><span style="color: #0000BB">registerPHPFunctions</span><span style="color: #007700">();<br /></span><span style="color: #0000BB">$proc</span><span style="color: #007700">-></span><span style="color: #0000BB">importStyleSheet</span><span style="color: #007700">(</span><span style="color: #0000BB">$xsldoc</span><span style="color: #007700">);<br />echo </span><span style="color: #0000BB">$proc</span><span style="color: #007700">-></span><span style="color: #0000BB">transformToXML</span><span style="color: #007700">(</span><span style="color: #0000BB">$xmldoc</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div></div>
</div>
</p>
</div>
<div class="refsect1 changelog" id="refsect1-xsltprocessor.registerphpfunctions-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>5.1.0</td>
<td>
The <em><code class="parameter">restrict</code></em> parameter was added.
</td>
</tr>
</tbody>
</table>
</p>
</div>
</div><hr /><div class="manualnavbar" style="text-align: center;">
<div class="prev" style="text-align: left; float: left;"><a href="xsltprocessor.importstylesheet.html">XSLTProcessor::importStylesheet</a></div>
<div class="next" style="text-align: right; float: right;"><a href="xsltprocessor.removeparameter.html">XSLTProcessor::removeParameter</a></div>
<div class="up"><a href="class.xsltprocessor.html">XSLTProcessor</a></div>
<div class="home"><a href="index.html">PHP Manual</a></div>
</div></body></html>
