XSLTProcessor::registerPHPFunctionNS

    (PHP >= 8.4.0)

    XSLTProcessor::registerPHPFunctionNS — Register a PHP function as namespaced XSLT function

    Descrizione

    public XSLTProcessor::registerPHPFunctionNS(string $namespaceURI, string $name, callable $callable): void

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

    Elenco dei parametri

    namespaceURI
    The URI of the namespace.
    name
    The local function name inside the namespace.
    callable
    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.

    Valori restituiti

    Nessun valore viene restituito.

    Esempi

    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: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);
    ?>

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