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XSLTProcessor::registerPHPFunctions

(PHP 5 >= 5.0.4, PHP 7)

XSLTProcessor::registerPHPFunctionsEnables the ability to use PHP functions as XSLT functions

Description

XSLTProcessor::registerPHPFunctions ([ mixed $restrict ] ) : void

This method enables the ability to use PHP functions as XSLT functions within XSL stylesheets.

Parameters

restrict

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);
?>

Changelog

Version Description
5.1.0 The restrict parameter was added.

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