<?php
$xml = domxml_open_file('menu.xml');
$xsl = domxml_xslt_stylesheet_file('menu.xsl');
$out = $xsl->process($xml);
echo $out->dump_mem();
?>

<?php
$menu = apc_fetch('menu');
if(!$menu) {
  $dom = domxml_open_file('menu.xml');
  $root = $dom->document_element();
  $node = $root->first_child();
  $i=0;
  while($node) {
    $subnode = $node->first_child();
    while($subnode) {
      if(isset($subnode->tagname)) {
        $menu[$i][$subnode->tagname] = $subnode->get_content();
      }
      $subnode = $subnode->next_sibling();
    }
    $i++;
    $node = $node->next_sibling();
  }
  apc_store('menu',$menu);
}
foreach($menu as $item) {
echo <<<EOT
<div style="background-color:teal;color:white;padding:4px">
  <span style="font-weight:bold;color:white">$item[name]</span>
  - $item[price]
</div>
<div style="margin-left:20px;margin-bottom:1em;font-size:10pt">
  $item[description]
  <span style="font-style:italic">($item[calories] calories per serving)</span>
</div>
EOT;

}
?>

 322 requests/sec         Standard PHP 4.3
 325 requests/sec         Turn on Output Buffering
 325 requests/sec         variables_order from EGPCS to GPC
 345 requests/sec         Compile PHP with non-pic patch
 355 requests/sec         Compile PHP with non-pic and syscall patch
 385 requests/sec         Standard PHP + APC
 425 requests/sec         syscall+nonpic+GPC+APC
 570 requests/sec         by cheating