tanya ambil xml atau json dari recorset

mas, agan-agan, bpk-bpk mohon petunjuknya!!!, saia lagi coba(extention JQGrid) tapi saat mau ambil data di xml saia gagal trus katanya

[color="#FF0000"]failed to open stream: No such file or directory [/color]

, saia coba mengikuti langkah di site tersebut dengan membuat satu file ListAction.php di views/site tapi belum berhasil.




<?php

class ListAction extends CAction

{

   public function run()

   {      

        $xml =<<<EOP

        <?xml version='1.0' encoding='utf-8'?>

        <rows>

        <page>1</page>

        <total>1</total>

        <records>4</records>

        <row id="1">

        <cell>1</cell>

        <cell>F-14</cell>

        <cell>Grumman</cell>

        </row>

        <row id="2">

        <cell>2</cell>

        <cell>F-15</cell>

        <cell>Boeing</cell>

        </row>  

         </rows>

EOP;

      header("Content-Type: application/xml");

      header("Content-Length: " . strlen($xml));

      echo $xml;

   }

}

?>




kira-kira pa yang belum benarnya? mohon petunjuk