source: trunk/instant_messenger/controller.php @ 20

<?php
        //      Explode action from cExecuteForm function
        $cExecuteFormReturn = false;
        if($_POST['_action']) {                 
                if($_FILES) {
                        $count_files = $_POST['countFiles'];
                        $array_files = array();                 
                        for($idx = 1; $idx <= $count_files; $idx++) {           
                                if($_FILES['file_'.$idx] && !$_FILES['file_'.$idx]['error'])
                                        $array_files[] = $_FILES['file_'.$idx];                                          
                        }
                        $_POST['FILES'] = $array_files;
                }                               
                list($app,$class,$method) = explode('.',@$_POST['_action']);
                $cExecuteFormReturn = true;
        }
        //      Explode action from cExecute function
        else if($_GET['action'])
                list($app,$class,$method) = explode('.',@$_GET['action']);
        // NO ACTION
        else
                return $_SESSION['response'] = 'false';
        
        // Load dinamically class file.
        if($app == '$this')
                $filename = 'inc/class.'.$class.'.inc.php';
        else
                $filename = '../'.$app.'/inc/class.'.$class.'.inc.php';
                
        include_once($filename);        
        
        // Create new Object  (class loaded).   
        $obj = new $class;
        
        // Prepare parameters for execution.    
        $params = array();
        
        // If array $_POST is not null , the submit method is POST. 
        if($_POST) {
                $params = $_POST;
        }
        // If array $_POST is null , and the array $_GET > 1, the submit method is GET.
        else if(count($_GET) > 1)       {               
                array_shift($_GET);
                $params = $_GET;
        }

        $result = array();
        
        
        // if params is not empty, then class method with parameters.   
        if($params)
                $result = $obj -> $method($params);
        else            
                $result = $obj -> $method();
                
        // Return result json string into xml object.   
        if(!$cExecuteFormReturn)
   {
      encode($result, 'encode');
      $result = ( !is_object($result) && !is_array($result) ) ? $result : json_encode($result);

                $dom = new DOMDocument;//('1.0', 'UTF-8');

                $root = $dom->appendChild(new DOMElement('retorno'));
                $root->appendChild($dom->createCDATASection($result));

                $retorno = $dom->saveXML();
      header('Pragma: anytextexeptno-cache', true);
      header('Content-type: text/xml');
                print $retorno;
   }
        else
                $_SESSION['response'] = $result;

   function encode(&$item, $val = 'encode')
   {
      switch( gettype($item) )
      {
         case 'object' :
                     $item = get_object_vars($item);
                     encode($item);
         break;
         case 'array' :
                     array_walk_recursive($item, 'encode');
         break;
         default : $item = utf8_encode($item);
      }
   }
?>