Fatal error in helpers/modules.php on line 207

<?php
class hikashopModuleHelper{

	function initialize(&$obj){
		$this->_getParams($obj);
		// Set the joomla menu settings to the hikashop settings
		if(!empty($obj->ctrl)){
			$data = $obj->params->get('data');
			$type = 'hk_'.$obj->ctrl;
			if(isset($data->$type) && is_object($data->$type)){
				foreach($data->$type as $k => $v){
					$obj->params->set($k,$v);
				}
			}
		}
		$this->setCSS($obj->params,@$obj->module);
		$obj->modules = $this->setModuleData($obj->params->get('modules'));
	}

	function setCSS(&$params,$name=''){
		$css ='';
		$main_div_name = $params->get('main_div_name');
		if(empty($main_div_name)){
			$main_div_name ='hikashop_category_information_'.($name?'module_':'menu_').$params->get('id');
			$params->set('main_div_name',$main_div_name);
		}
		$config =& hikashop_config();
		if($config->get('no_css_header',0)){
			return true;
		}
		if($params->get('background_color','')==''){
			$defaultParams = $config->get('default_params');
			$params->set('background_color',$defaultParams['background_color']);
		}
		if($params->get('margin','')==''){
			$defaultParams = $config->get('default_params');
			$params->set('margin',$defaultParams['margin']);
		}
		$background_color = $params->get('background_color');
		if(!empty($background_color)){
			$css='
#'.$main_div_name.' div.hikashop_subcontainer {
	background:'.$background_color.';
}
#'.$main_div_name.' .hikashop_rtop *,#'.$main_div_name.' .hikashop_rbottom *{
	background:'.$background_color.';
}
			';
		}
		if($params->get('text_center','-1')=='-1'){
			$config =& hikashop_config();
			$defaultParams = $config->get('default_params');
			$params->set('text_center',$defaultParams['text_center']);
		}
		$center = $params->get('text_center');
		if(!empty($center)){
			$css.='
#'.$main_div_name.' div.hikashop_subcontainer,#'.$main_div_name.' div.hikashop_subcontainer span {
	text-align:center;
}
#'.$main_div_name.' div.hikashop_container {
	text-align:center;
}
			';
		}else{
			$css.='
#'.$main_div_name.' div.hikashop_subcontainer,#'.$main_div_name.' div.hikashop_subcontainer span {
	text-align:left;
}
#'.$main_div_name.' div.hikashop_container {
	text-align:left;
}
			';
		}
		$margin = $params->get('margin',0);
		$css.='
#'.$main_div_name.' div.hikashop_container {
	margin:'.$margin.'px '.$margin.'px;
}
#'.$main_div_name.' div.hikashop_category,#'.$main_div_name.' div.hikashop_product{
	float:left;
}';
		if($params->get('rounded_corners','-1')=='-1'){
			$config =& hikashop_config();
			$defaultParams = $config->get('default_params');
			$params->set('rounded_corners',$defaultParams['rounded_corners']);
		}
		$rounded_corners = $params->get('rounded_corners',0);
		if($rounded_corners){
			$css.= '
#'.$main_div_name.' .hikashop_subcontainer {
		 -moz-border-radius: 5px;
		-webkit-border-radius: 5px;
		-khtml-border-radius: 5px;
		border-radius: 5px;
}

			';
		}else{
			$css.= '
';
		}
		if (!HIKASHOP_PHP5) {
			$doc =& JFactory::getDocument();
		}else{
			$doc = JFactory::getDocument();
		}
		$doc->addStyleDeclaration($css);
	}

	function setModuleData($modules){
		if(!empty($modules)){
			if(!is_array($modules)){
				$modules = explode(',',$modules);
			}

			JArrayHelper::toInteger($modules);
			$modules = implode(',',$modules);

			$database = JFactory::getDBO();
			$query = 'SELECT * FROM '.hikashop_table('modules',false).' WHERE id IN ('.$modules.');';
			$database->setQuery($query);
			$modulesData = $database->loadObjectList('id');
			$unset = array();
			$modules = explode(',',$modules);
			foreach($modules as $k => $v){
				if(isset($modulesData[$v])){
					$file = $modulesData[$v]->module;
					$custom = substr( $file, 0, 4 ) == 'mod_' ?  0 : 1;
					$modulesData[$v]->user = $custom;
					$modulesData[$v]->name = $custom ? $modulesData[$v]->title : substr( $file, 4 );
					$modulesData[$v]->style	= null;
					$modulesData[$v]->position = strtolower($modulesData[$v]->position);
					$modules[$k] = $modulesData[$v];
				}else{
					$unset[]=$k;
				}
			}

			if(!empty($unset)){
				foreach($unset as $u){
					unset($modules[$u]);
				}
			}
		}else{
			$modules=array();
		}
		return $modules;
	}

	function _getParams(&$obj){
		if(empty($obj->params)){
			global $Itemid;
			$app = JFactory::getApplication();
			$menus	= $app->getMenu();
			$menu	= $menus->getActive();

			if(!empty($Itemid) && !empty($menu) && !empty($menuData->link) && strpos($menu->link,'option='.HIKASHOP_COMPONENT)!==false && (strpos($menu->link,'view=category')!==false || strpos($menu->link,'view=')===false)){
				$app->setUserState(HIKASHOP_COMPONENT.'.category_item_id',$Itemid);
			}
			if(empty($menu)){
				if(!empty($Itemid)){
					$menus->setActive($Itemid);
					$menu	= $menus->getItem($Itemid);
				}else{
					$item_id = $app->getUserState(HIKASHOP_COMPONENT.'.category_item_id');
					if(!empty($item_id)){
						$menus->setActive($item_id);
						$menu	= $menus->getItem($item_id);
					}
				}
			}

			jimport('joomla.html.parameter');
			if (is_object( $menu )) {
				// If missing hikashop data for the current menu due to FaLang or JoomFish for example
				if(HIKASHOP_J30 && (($menu->query['view'] == 'category' && (!$menu->params->get('hk_category',false) || !$menu->params->get('hk_product',false))) || ($menu->query['view'] == 'product' && !$menu->params->get('hk_product',false)))){
					$db = JFactory::getDBO();
					$query = 'SELECT params FROM '.hikashop_table('menu',false).' WHERE id = '.(int)$menu->id;
					$db->setQuery($query);
					$itemData = json_decode($db->loadResult());
					if(isset($itemData->hk_category))
						$menu->params->set('hk_category', $itemData->hk_category);
					if(isset($itemData->hk_product))
						$menu->params->set('hk_product', $itemData->hk_product);
				}

				$obj->params = new HikaParameter( $menu->params );
				$obj->params->set('id',$menu->id);
				if(version_compare(JVERSION,'1.6','<')){
					$obj->params->set('title',$menu->name);
				}else{
					$obj->params->set('title',$menu->title);
				}
			}else{
				$params ='';
				$obj->params = new HikaParameter($params);
			}

			if (is_object( $menu )) {
				// We force the option "selectparentlisting" for retro compatibility
				$productParams = $menu->params->get('hk_product',false);
				if($productParams && !isset($productParams->selectparentlisting) && isset($productParams->category)){
					$productParams->selectparentlisting = $productParams->category;
					$menu->params->set('hk_product',$productParams);
					$menu->params->set('selectparentlisting',$productParams->selectparentlisting);
					$menu->params->set('content_type','product');
				}
				$categoryParams = $menu->params->get('hk_category',false);
				if($categoryParams && !isset($categoryParams->selectparentlisting) && isset($categoryParams->category)){
					$categoryParams->selectparentlisting = $categoryParams->category;
					$menu->params->set('hk_category',$categoryParams);
					$menu->params->set('selectparentlisting',$categoryParams->selectparentlisting);
					$menu->params->set('content_type','category');
				}
			}

			$config = hikashop_config();
			$menuClass = hikashop_get('class.menus');
			$menuData = $menuClass->get(@$menu->id);
			if($config->get('auto_init_options',1) && !empty($menuData->link) && strpos($menuData->link,'view=product')===false){
				//the menu is a category listing so check the associated modules
				$options = $config->get('menu_'.@$menu->id,null);
				if(empty($options) || empty($options['modules'])){
					//no options set for the categories listing menu, auto create the options and an associated module
					$menuClass->createMenuOption($menuData,$options);
				}
			}

			if(!empty($menuData->hikashop_params)){
				foreach($menuData->hikashop_params as $key => $item){
					$obj->params->set($key,$item);
				}
			}
			if(!empty($menuData->params)){
				foreach($menuData->params as $key => $item){
					if(!is_object($item)){
						$obj->params->set($key,$item);
					}
				}
			}
		}else{
			$obj->module = true;
		}

	}
}