Request.php

<?php
require_once 'Zend/View/Helper/Abstract.php';
class Juke_View_Helper_Request extends Zend_View_Helper_Abstract
{
  public function request()
  {
    return $this ;
  }

  public function __call( $method, $args )
  {
    $request  = Zend_Controller_Front::getInstance()->getRequest() ;
    return  call_user_func_array( array( $request, $method ), $args ) ;
  }

  public function getArrayPost()
  {
    $args     = func_get_args() ;
    $request  = Zend_Controller_Front::getInstance()->getRequest() ;
    $post     = $request->getPost() ;

    foreach( $args as $arg ) {
      if( isset( $post[ $arg ] ) ) {
        $post = $post[ $arg ] ;
      } else {
        return  null ;
      }
    }
    return  $post ;
  }
}