XSLTProcessor::registerPHPFunctions
(PHP 5 >= 5.0.4, PHP 7, PHP 8)
XSLTProcessor::registerPHPFunctions — Enables the ability to use PHP functions as XSLT functions
Description
public XSLTProcessor::registerPHPFunctions(array|string|null
$functions = null): voidThis method enables the ability to use PHP functions as XSLT functions within XSL stylesheets.
Parameters
-
functions -
Use this parameter to only allow certain functions to be called from XSLT.
This parameter can be either a string (a function name) or an array of functions.
Return Values
No value is returned.
Examples
Example #1 Simple PHP Function call from a stylesheet
<?php
$xml = <<<EOB
<allusers>
<user>
<uid>bob</uid>
</user>
<user>
<uid>joe</uid>
</user>
</allusers>
EOB;
$xsl = <<<EOB
<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:php="http://php.net/xsl">
<xsl:output method="html" encoding="utf-8" indent="yes"/>
<xsl:template match="allusers">
<html><body>
<h2>Users</h2>
<table>
<xsl:for-each select="user">
<tr><td>
<xsl:value-of
select="php:function('ucfirst',string(uid))"/>
</td></tr>
</xsl:for-each>
</table>
</body></html>
</xsl:template>
</xsl:stylesheet>
EOB;
$xmldoc = DOMDocument::loadXML($xml);
$xsldoc = DOMDocument::loadXML($xsl);
$proc = new XSLTProcessor();
$proc->registerPHPFunctions();
$proc->importStyleSheet($xsldoc);
echo $proc->transformToXML($xmldoc);
?>
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