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<?xml version="1.0" encoding="utf-8"?>
<!-- $Revision$ -->
<refentry xml:id="xsltprocessor.registerphpfunctionns" xmlns="http://docbook.org/ns/docbook" xmlns:xi="http://www.w3.org/2001/XInclude">
<refnamediv>
<refname>XSLTProcessor::registerPHPFunctionNS</refname>
<refpurpose>Register a PHP function as namespaced XSLT function</refpurpose>
</refnamediv>
<refsect1 role="description">
&reftitle.description;
<methodsynopsis role="XSLTProcessor">
<modifier>public</modifier> <type>void</type><methodname>XSLTProcessor::registerPHPFunctionNS</methodname>
<methodparam><type>string</type><parameter>namespaceURI</parameter></methodparam>
<methodparam><type>string</type><parameter>name</parameter></methodparam>
<methodparam><type>callable</type><parameter>callable</parameter></methodparam>
</methodsynopsis>
<simpara>
This method enables the ability to use a PHP function as a namespaced XSLT functions within XSL stylesheets.
</simpara>
</refsect1>
<refsect1 role="parameters">
&reftitle.parameters;
<variablelist>
<varlistentry>
<term><parameter>namespaceURI</parameter></term>
<listitem>
<simpara>
The URI of the namespace.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>name</parameter></term>
<listitem>
<simpara>
The local function name inside the namespace.
</simpara>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>callable</parameter></term>
<listitem>
<simpara>
The PHP function to call when the XSL function gets called within the stylesheet.
When a node list is passed as parameter to the callback,
the argument becomes an array containing the matched dom nodes.
</simpara>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<xi:include xpointer="domxpath.registerphpfunctions..errors" />
<refsect1 role="returnvalues">
&reftitle.returnvalues;
<simpara>
&return.void;
</simpara>
</refsect1>
<refsect1 role="examples">
&reftitle.examples;
<example>
<title>Simple PHP Function call from a stylesheet</title>
<programlisting role="php">
<![CDATA[
<?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: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->registerPHPFunctionNS('urn:my.ns', 'uppercase', strtoupper(...));
$proc->registerPHPFunctionNS('urn:my.ns', 'count', fn (array $arg1) => count($arg1));
$proc->importStyleSheet($xsldoc);
echo $proc->transformToXML($xmldoc);
?>
]]>
</programlisting>
</example>
</refsect1>
<refsect1 role="seealso">
&reftitle.seealso;
<simplelist>
<member><methodname>DOMXPath::registerPhpFunctionNS</methodname></member>
<member><methodname>DOMXPath::registerPhpFunctions</methodname></member>
<member><methodname>XSLTProcessor::registerPhpFunctions</methodname></member>
</simplelist>
</refsect1>
</refentry>
<!-- Keep this comment at the end of the file
Local variables:
mode: sgml
sgml-omittag:t
sgml-shorttag:t
sgml-minimize-attributes:nil
sgml-always-quote-attributes:t
sgml-indent-step:1
sgml-indent-data:t
indent-tabs-mode:nil
sgml-parent-document:nil
sgml-default-dtd-file:"~/.phpdoc/manual.ced"
sgml-exposed-tags:nil
sgml-local-catalogs:nil
sgml-local-ecat-files:nil
End:
vim600: syn=xml fen fdm=syntax fdl=2 si
vim: et tw=78 syn=sgml
vi: ts=1 sw=1
-->
|
