Импорт товаров из xml файла сторонним скриптом.

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Импорт товаров из xml файла сторонним скриптом.
Добрый день, имеется скрипт такого вида:

<?php

set_time_limit (0);


require_once(dirname(__FILE__) . '/../' . 'main_classes.php');  $kernel = & singleton('kernel');  
$kernel->LoadModules();

$shop = new shop();
$shop_id = 1;
$param = array();
$rows = $shop->GetAllItems($shop_id, false, $param);
//var_dump($rows);

$cml_products = array();
foreach($rows as $row){
//var_dump($row);
   $cml_products[$row['shop_items_cml_id']] = $row['shop_items_catalog_item_id'];
}

//var_dump($cml_products);
// die();
$xml = simplexml_load_file('oasis2013.xml');
   
   
   foreach($xml->item as $item){
      
      //Разберемся с категориями этого товара
      $cats = '';   
      $cats = explode('\\', $item->tov_rubr->rubr);
      $cats = array_filter($cats);
         
         //Поиск родителя
         $cat_parent = '';
         //Поиск текущего
         $cat_current = '';
         foreach($cats as $cat){
         
            $categories = getAllCategoriesInfo();
            //$cat = mb_convert_encoding($cat , "windows-1251", "UTF-8");
            $cat_current .= $cat;
            
            if(!in_array($cat_current,$categories['categories_cml'])){
            
               if($cat_parent==''){
                  $parent = 0;
                  }
               else{
                  $parent = $categories['cml_categories'][$cat_parent];
               }
               
               
               $arr['name']            =$cat;
               $arr['parent']            =$parent;
               $arr['shop_groups_cml_id']   =$cat_current;
               $newgroup  = insertGroup($arr);
               //var_dump($newgroup);
            
            }
            
            $cat_parent .= $cat;
            
         }
         
         $categories = getAllCategoriesInfo();
         
         $data['shops_id'] = 1;
         $data['groups_id'] = $categories['cml_categories'][$cat_current];
      
         
         if(!in_array($item['tov_id'],$cml_products)){
            $data['item_id']=false;   
         }
         else{
            $data['item_id'] = $cml_products[$item['tov_id']];
         }

         $data['big_image'] = $item->tov_pic->big->pic;
         $data['big_image'] = $data['big_image'].'';
         
         
         $data['item']=$item;
         
         
         $inserted = insertProduct($data);
      
   }
   
function insertProduct($data){

   $shop = new shop();
   $param['shops_id']          = 1;
   
   if($data['item_id']!=''){
      $param['item_id']       = $data['item_id'];
   }
   
   $param['groups_id']       = $data['groups_id'];
   //$param['name']             = mb_convert_encoding($data['item']->tov_name , "windows-1251", "UTF-8");
   $param['name']             = $data['item']->tov_name;
   $param['shop_items_cml_id'] = intval($data['item']['tov_id']).'';
   $param['currency_id']       = 1;
   $param['weight']         = $data['item']->tov_vesed.'';
   $param['price']            = $data['item']->tov_price.'';
   $param['is_active']         = 1;
   $param['tax_id']         = 0;
   $param['shop_sallers_id']   = 0;
   $param['users_id']         = 19;
   
   
   $param['path_source_big_image']   = dirname(__FILE__).'/200x150/'.$data['big_image'];   
    $param['original_file_name_small_image'] = dirname(__FILE__).'/200x150/'.$data['big_image'];   
   $param['original_file_name_big_image'] = dirname(__FILE__).'/200x150/'.$data['big_image'];   
//var_dump($data);







$newid = $shop->InsertItem($param);


}

   
function getAllCategoriesInfo(){

    $shop = new shop();
    $shop_id = 1;

    $param['group_order'] = 'Asc';
    $rows = $shop->GetAllGroups($shop_id, $param);
   
    $categories_cml = array();
    foreach($rows as $row){
      $categories_cml[$row['shop_groups_id']]=$row['shop_groups_cml_id'];
    }
   
    $cml_categories = array();
    foreach($rows as $row){
      $cml_categories[$row['shop_groups_cml_id']]=$row['shop_groups_id'];
    }
   
    $return = array();
    $return['categories_cml'] =  $categories_cml;
    $return['cml_categories'] =  $cml_categories;

return $return;

}

function insertGroup($data){

   $shop = new shop();

   $param['shop_groups_name']       = $data['name'];
   $param['shop_shops_id']       = 1;
   $param['shop_groups_parent_id'] = $data['parent'];
   $param['shop_groups_cml_id']   = $data['shop_groups_cml_id'];
   $newid = $shop->InsertGroup($param);

    return $newid;

}


?>


Все работает кроме загрузки изображений, изображения хранятся  в папке со скриптом с отд. директории, в чем может быть пробл? Спасибо
Авторизация