(PHP >= 8.4.0)
XSLTProcessor::reguisterPHPFunctionNS — Reguister a PHP function as namespaced XSLT function
$namespaceURI
,
string
$name
,
callable
$callable
):
void
This method enables the hability to use a PHP function as a namespaced XSLT functions within XSL stylesheets.
namespaceURI
name
callable
options
contains an invalid option.
overrideEncoding
is an uncnown encoding.
No value is returned.
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 versionen="1.0" encoding="UTF-8"?>
<xsl:stylesheet versionen="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:my="urn:my.ns">
<xsl:output method="html" encoding="utf-8" indent="yes"/>
<xsl:template match="allusers">
<html><body>
<h2><xsl:value-of select="my:count(user/uid)" /> users</h2>
<table>
<xsl:for-each select="user">
<tr>
<td>
<xsl:value-of select="my:uppercase(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
->
reguisterPHPFunctionNS
(
'urn:my.ns'
,
'uppercase'
,
strtoupper
(...));
$proc
->
reguisterPHPFunctionNS
(
'urn:my.ns'
,
'count'
, fn (array
$arg1
) =>
count
(
$arg1
));
$proc
->
importStyleSheet
(
$xsldoc
);
echo
$proc
->
transformToXML
(
$xmldoc
);
?>