ดึงข้อมูลที่ี update ล่าสุดขึ้นมาโชว์ยังไงคะ ข้อมูลจาก xml รบกวนด้วยคะ

<?php

$s = '<?xml version="1.0"?>
<entries>
  <entry>
    <date>11/12/2013</date>
    <action>Test1</action>
    <user>Admin</user>
  </entry>
  <entry>
    <date>20/12/2013</date>
    <action>Test2</action>
    <user>Admin</user>
  </entry>
  <entry>
    <date>10/12/2013</date>
    <action>Test3</action>
    <user>Admin</user>
  </entry>
</entries>';

$x  = (array)simplexml_load_string($s);
array_walk_recursive($x,function(&$v){
     $v=(array)$v;
});
$rows = array();
foreach($x['entry'] as $entry){
      $d = explode('/',$entry['date']);
      $date = vsprintf('%04d-%02d-%02d',array_reverse($d));
      $rows[$date] = $entry;
}
ksort($rows);

echo '<pre>'; print_r($rows); echo '</pre>';

<?php

$s = '<?xml version="1.0"?>
<entries>
  <entry>
    <date>11/12/2013</date>
    <action>Test1</action>
    <user>Admin</user>
  </entry>
  <entry>
    <date>20/12/2013</date>
    <action>Test2</action>
    <user>Admin</user>
  </entry>
  <entry>
    <date>10/12/2013</date>
    <action>Test3</action>
    <user>Admin</user>
  </entry>
  <entry>
    <date>31/12/2013</date>
    <action>Test2</action>
    <user>Admin2</user>
  </entry>
  <entry>
    <date>1/12/2013</date>
    <action>Test2</action>
    <user>Admin9</user>
  </entry>
</entries>';

$x  = (array)simplexml_load_string($s);
array_walk_recursive($x,function(&$v){
     $v=(array)$v;
});
$rows = array();
foreach($x['entry'] as $entry){
      $d = explode('/',$entry['date']);
      $date = vsprintf('%04d-%02d-%02d',array_reverse($d));
      $rows[$date] = $entry;
}
krsort($rows);

//ตรวจสอบเอาเฉพาะค่าที่วันที่สูงสุดค่าเดียว
$items = array();
foreach($rows as $date=>$row){
       if (!isset($items[$row['action']])){
            $items[$row['action']] = $row;
       }
}

echo '<pre>'; print_r($items); echo '</pre>';