Преобразование XML + XSLT

Простой пример использования механизма трансформаций xslt:

Файл sample.xml

<?xml version="1.0"?>
<customers>
   <customer>
      <name>John Smith</name>
      <address>123 Oak St.</address>
      <state>WA</state>
      <phone>(206) 123-4567</phone>
   </customer>
   <customer>
      <name>Zack Zwyker</name>
      <address>368 Elm St.</address>
      <state>WA</state>
      <phone>(206) 423-4537</phone>
   </customer>
   <customer>
      <name>Albert Aikens</name>
      <address>368 Elm St.</address>
      <state>WA</state>
      <phone>(206) 423-4537</phone>
   </customer>
   <customer>
      <name>Albert Gandy</name>
      <address>6984 4th St.</address>
      <state>WA</state>
      <phone>(206) 433-4547</phone>
   </customer>
</customers>

Файл sample.xsl

<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
      xmlns:xsl="http://www.w3.org/1999/XSL/Transform" >

<xsl:template match="/">
   <HTML>
      <BODY>
         <TABLE border="1" cellspacing="0" cellpadding="2">
            <xsl:apply-templates select="customers/customer">
               <xsl:sort select="state"/>
               <xsl:sort select="name"/>
            </xsl:apply-templates>
         </TABLE>
      </BODY>
   </HTML>
</xsl:template>

<xsl:template match="customer">
   <TR>
      <xsl:apply-templates select="name" />
      <xsl:apply-templates select="address" />
      <xsl:apply-templates select="state" />
      <xsl:apply-templates select="phone" />
   </TR>
</xsl:template>

<xsl:template match="name">
   <TD STYLE="font-size:14pt font-family:serif">
      <xsl:apply-templates />
   </TD>
</xsl:template>

<xsl:template match="address">
   <TD> <xsl:apply-templates /> </TD>
</xsl:template>

<xsl:template match="state">
   <TD> <xsl:apply-templates /> </TD>
</xsl:template>

<xsl:template match="phone">
   <TD> <xsl:apply-templates /> </TD>
</xsl:template>

</xsl:stylesheet>

Файл sample.php

<?php

$xslt = new xsltProcessor;
$xslt->importStyleSheet(DomDocument::load('sample.xsl'));
print $xslt->transformToXML(DomDocument::load('sample.xml'));

?>