XSLTProcessor::registerPHPFunctions

(PHP 5 >= 5.0.4, PHP 7, PHP 8)

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

说明

public XSLTProcessor::registerPHPFunctions(array|string|null $functions = null): void

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

参数

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.

返回值

没有返回值。

示例

示例 #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 = new DOMDocument();
$xmldoc->loadXML($xml);
$xsldoc = new DOMDocument();
$xsldoc->loadXML($xsl);

$proc = new XSLTProcessor();
$proc->registerPHPFunctions();
$proc->importStyleSheet($xsldoc);
echo
$proc->transformToXML($xmldoc);
?>

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