diff --git a/admin/themes/default/template/controllers/modules/configure.tpl b/admin/themes/default/template/controllers/modules/configure.tpl
index 24b6560a0..3d3f0d1b9 100644
--- a/admin/themes/default/template/controllers/modules/configure.tpl
+++ b/admin/themes/default/template/controllers/modules/configure.tpl
@@ -60,7 +60,7 @@
 			<li>
 				<a id="desc-module-back" class="toolbar_btn" href="javascript: window.history.back();" title="{l s='Back'}">
 					<i class="process-icon-back"></i>
-					<div>{l s='Back'}</div>
+					<span>{l s='Back'}</span>
 				</a>
 			</li>
 			<!-- <li>
@@ -85,7 +85,7 @@
 			<li>
 				<a id="desc-module-translate" data-toggle="modal" data-target="#moduleTradLangSelect" class="toolbar_btn" href="#" title="{l s='Translate'}">
 					<i class="process-icon-flag"></i>
-					<div>{l s='Translate'}</div>
+					<span>{l s='Translate'}</span>
 				</a>
 			</li>
 			{/if}
@@ -100,7 +100,7 @@
 			<li>
 				<a id="desc-module-hook" class="toolbar_btn" href="{$module_hook_link}" title="{l s='Manage hooks'}">
 					<i class="process-icon-anchor"></i>
-					<div>{l s='Manage hooks'}</div>
+					<span>{l s='Manage hooks'}</span>
 				</a>
 			</li>
 		</ul>
diff --git a/admin/themes/default/template/controllers/products/configuration.tpl b/admin/themes/default/template/controllers/products/configuration.tpl
index 456a63ec8..7f0bc0f60 100644
--- a/admin/themes/default/template/controllers/products/configuration.tpl
+++ b/admin/themes/default/template/controllers/products/configuration.tpl
@@ -638,7 +638,7 @@
                     html += '</select>';
                 html += '</td>';
                 html += '<td class="col-sm-3 center">';
-                    html += '<input class="form-control" type="text" name="'+prefix+'[floor]">';
+                    html += '<input class="form-control" type="text" name="'+prefix+'[comment]">';
                 html += '</td>';
                 html += '<td class="center col-sm-2">';
                     html += '<a class="btn btn-default deactiveDatesModal disabled" data-toggle="modal" data-target="#deactiveDatesModal">';
diff --git a/admin/themes/default/template/controllers/products/informations.tpl b/admin/themes/default/template/controllers/products/informations.tpl
index fdfa02ee0..cb97d2652 100644
--- a/admin/themes/default/template/controllers/products/informations.tpl
+++ b/admin/themes/default/template/controllers/products/informations.tpl
@@ -137,12 +137,16 @@
 				{l s='Select Hotel'}
 			</label>
 			<div class="col-sm-5">
+			{if isset($htl_info) && $htl_info}
 				<select name="id_hotel" id="hotel_place" class="form-control chosen">
 					{foreach from=$htl_info item=htl_dtl}
-						<option value="{$htl_dtl['id']}" >{$htl_dtl['hotel_name']}</option>
+						<option value="{$htl_dtl['id_hotel']}" >{$htl_dtl['hotel_name']}</option>
 					{/foreach}
 				</select>
 				<p class="help-block">{l s='Hotel once assigned cannot be reassigned'}</p>
+			{else}
+				<div class="control-label col-sm-3 text-danger">{l s='No hotel are available'}</div>
+			{/if}
 			</div>
 		{/if}
 	</div>
diff --git a/admin/themes/default/template/modal.tpl b/admin/themes/default/template/modal.tpl
index 360e1cc48..043bec023 100644
--- a/admin/themes/default/template/modal.tpl
+++ b/admin/themes/default/template/modal.tpl
@@ -41,7 +41,7 @@
 					{if $action.type == 'link'}
 						<a href="{$action.href}" class="btn {$action.class}">{$action.label}</a>
 					{elseif $action.type == 'button'}
-						<button type="button" value="{$action.value}" class="btn {$action.class}">
+						<button type="button" value="{$action.value|default:''}" class="btn {$action.class}">
 							{$action.label}
 						</button>
 					{/if}
diff --git a/classes/SearchEngine.php b/classes/SearchEngine.php
index b853cc6e3..7dc8b5f14 100644
--- a/classes/SearchEngine.php
+++ b/classes/SearchEngine.php
@@ -67,5 +67,6 @@ class SearchEngineCore extends ObjectModel
                 return $str;
             }
         }
+        return '';
     }
 }
diff --git a/classes/controller/AdminController.php b/classes/controller/AdminController.php
index 67d88e69a..7e979e4d3 100644
--- a/classes/controller/AdminController.php
+++ b/classes/controller/AdminController.php
@@ -875,9 +875,13 @@ class AdminControllerCore extends Controller
         $prefix = $this->getCookieFilterPrefix();
         $filters = array();
         if (isset($this->list_id)) {
+            $postPrefixPattern = '#^('.
+                $this->list_id.'Filter_|'.
+                'submitFilter'.
+            ')#i';
             foreach ($_POST as $key => $value) {
                 // only process the filter fields.
-                if (stripos($key, $this->list_id.'Filter_') !== 0) {
+                if (!preg_match($postPrefixPattern, $key)) {
                     continue;
                 }
 
@@ -898,9 +902,15 @@ class AdminControllerCore extends Controller
                 }
             }
 
+            $getPrefixPattern = '#^(' .
+                'submitFilter|'.
+                $this->list_id.'Filter_|'.
+                $this->list_id.'Orderby|'.
+                $this->list_id.'Orderway'.
+            ')#i';
             foreach ($_GET as $key => $value) {
-                // only process the filter fields.
-                if (stripos($key, $this->list_id.'Filter_') !== 0) {
+                // only process the filter and order by, order way fields.
+                if (!preg_match($getPrefixPattern, $key)) {
                     continue;
                 }
 
diff --git a/classes/module/Module.php b/classes/module/Module.php
index 1a1b4c200..0d328604c 100644
--- a/classes/module/Module.php
+++ b/classes/module/Module.php
@@ -3019,7 +3019,7 @@ abstract class ModuleCore
                     ),
                     array(
                         ' ',
-                        'class '.$overrideClassName.'OverrideOriginal'.$uniq
+                        'class '.$overrideClassName.'OverrideOriginal'.$uniq.' extends \stdClass'
                     ),
                     implode('', $overrideClassFileArray)
                 )
@@ -3037,7 +3037,7 @@ abstract class ModuleCore
                     ),
                     array(
                         ' ',
-                        'class '.$overrideClassName.'Override'.$uniq
+                        'class '.$overrideClassName.'Override'.$uniq.' extends \stdClass'
                     ),
                     implode('', $moduleClassFileArray)
                 )
@@ -3084,7 +3084,7 @@ abstract class ModuleCore
                     ),
                     array(
                         ' ',
-                        'class '.$overrideClassName.'Override'.$uniq
+                        'class '.$overrideClassName.'Override'.$uniq.' extends \stdClass'
                     ),
                     implode('', $moduleClassFileArray)
                 )
@@ -3213,7 +3213,7 @@ abstract class ModuleCore
                 ),
                 array(
                     ' ',
-                    'class '.$overrideClassName.'Original_remove'.$uniq
+                    'class '.$overrideClassName.'Original_remove'.$uniq.' extends \stdClass'
                 ),
                 implode('', $overrideClassFileArray)
             )
@@ -3230,7 +3230,7 @@ abstract class ModuleCore
                 ),
                 array(
                     ' ',
-                    'class '.$overrideClassName.'Override_remove'.$uniq
+                    'class '.$overrideClassName.'Override_remove'.$uniq.' extends \stdClass'
                 ),
                 implode('', $moduleClassFileArray)
             )
diff --git a/classes/module/ModuleGraph.php b/classes/module/ModuleGraph.php
index 0d659dca0..6ba3b5566 100644
--- a/classes/module/ModuleGraph.php
+++ b/classes/module/ModuleGraph.php
@@ -28,6 +28,9 @@ abstract class ModuleGraphCore extends Module
 {
     protected $_employee;
 
+    /** @var string CSV data */
+    protected $_csv;
+
     /** @var array of integers graph data */
     protected $_values = array();
 
diff --git a/classes/module/ModuleGrid.php b/classes/module/ModuleGrid.php
index 66f292359..903d749e2 100644
--- a/classes/module/ModuleGrid.php
+++ b/classes/module/ModuleGrid.php
@@ -159,12 +159,13 @@ abstract class ModuleGridCore extends Module
         $this->setLang($context->language->id);
         $this->setEmployee($context->employee->id);
 
+        $layers = isset($datas['layers']) ?  $datas['layers'] : 1;
+
         if (isset($datas['option'])) {
             $this->setOption($datas['option'], $layers);
         }
         $this->getData();
 
-        $layers = isset($datas['layers']) ?  $datas['layers'] : 1;
 
         if (count($datas['columns'])) {
             foreach ($datas['columns'] as $column) {
diff --git a/classes/order/OrderSlip.php b/classes/order/OrderSlip.php
index f79952598..3f1b2694c 100644
--- a/classes/order/OrderSlip.php
+++ b/classes/order/OrderSlip.php
@@ -277,7 +277,7 @@ class OrderSlipCore extends ObjectModel
 		FROM `'._DB_PREFIX_.'order_slip` os
 		LEFT JOIN `'._DB_PREFIX_.'orders` o ON (o.`id_order` = os.`id_order`)
 		WHERE os.`date_add` BETWEEN \''.pSQL($dateFrom).' 00:00:00\' AND \''.pSQL($dateTo).' 23:59:59\'
-		'.Shop::addSqlRestriction(Shop::SHARE_ORDER, 'o').'
+		'.Shop::addSqlRestriction(Shop::SHARE_ORDER, 'o'). ' ' .HotelBranchInformation::addHotelRestriction(false).'
 		ORDER BY os.`date_add` ASC');
 
         $slips = array();
diff --git a/controllers/admin/AdminModulesController.php b/controllers/admin/AdminModulesController.php
index e9d8ab801..bec926419 100644
--- a/controllers/admin/AdminModulesController.php
+++ b/controllers/admin/AdminModulesController.php
@@ -1262,6 +1262,13 @@ class AdminModulesControllerCore extends AdminController
             if (Configuration::get('PS_SHOW_CAT_MODULES_'.(int)$this->id_employee)) {
                 $filter_categories = explode('|', Configuration::get('PS_SHOW_CAT_MODULES_'.(int)$this->id_employee));
             }
+            if (count($filter_categories) > 0) {
+                foreach ($filter_categories as $fc) {
+                    if (!empty($fc)) {
+                        $category_filtered[$fc] = 1;
+                    }
+                }
+            }
             if (count($category_filtered) > 0 && !isset($category_filtered[$module->tab])) {
                 return true;
             }
diff --git a/controllers/admin/AdminNormalProductsController.php b/controllers/admin/AdminNormalProductsController.php
index 28d360e21..43838ccc8 100644
--- a/controllers/admin/AdminNormalProductsController.php
+++ b/controllers/admin/AdminNormalProductsController.php
@@ -2605,6 +2605,7 @@ class AdminNormalProductsControllerCore extends AdminController
                 ->setSelectedCategories(array((int)$id_category));
             $this->tpl_list_vars['category_tree'] = $tree->render();
 
+            $this->context->smarty->assign('token', $this->token);// as tree updates the token from the smarty context
             // used to build the new url when changing category
             $this->tpl_list_vars['base_url'] = preg_replace('#&id_category=[0-9]*#', '', self::$currentIndex).'&token='.$this->token;
         }
@@ -4513,7 +4514,7 @@ class AdminNormalProductsControllerCore extends AdminController
         if ($this->tabAccess['edit'] === 1) {
             $way = (int)(Tools::getValue('way'));
             $id_product = (int)Tools::getValue('id_product');
-            $id_category = (int)Tools::getValue('id_category');
+            $id_category = (int)Tools::getValue('id_category_hotel');
             $positions = Tools::getValue('product');
             $page = (int)Tools::getValue('page');
             $selected_pagination = (int)Tools::getValue('selected_pagination');
@@ -4521,14 +4522,13 @@ class AdminNormalProductsControllerCore extends AdminController
             if (is_array($positions)) {
                 foreach ($positions as $position => $value) {
                     $pos = explode('_', $value);
-
                     if ((isset($pos[1]) && isset($pos[2])) && ($pos[1] == $id_category && (int)$pos[2] === $id_product)) {
                         if ($page > 1) {
                             $position = $position + (($page - 1) * $selected_pagination);
                         }
 
                         if ($product = new Product((int)$pos[2])) {
-                            if (isset($position) && $product->updatePosition($way, $position)) {
+                            if (isset($position) && $product->updatePosition($way, $position, $id_category)) {
                                 $category = new Category((int)$id_category);
                                 if (Validate::isLoadedObject($category)) {
                                     hook::Exec('categoryUpdate', array('category' => $category));
diff --git a/controllers/admin/AdminProductsController.php b/controllers/admin/AdminProductsController.php
index bf4321607..0a7acb76f 100644
--- a/controllers/admin/AdminProductsController.php
+++ b/controllers/admin/AdminProductsController.php
@@ -3064,7 +3064,7 @@ class AdminProductsControllerCore extends AdminController
         if ($obj->id) {
             if ($this->product_exists_in_shop) {
                 $objHotelInfo = new HotelBranchInformation();
-                $hotelInfo = $objHotelInfo->hotelsNameAndId();
+                $hotelInfo = HotelBranchInformation::getProfileAccessedHotels($this->context->employee->id_profile, 1);
                 if ($hotelInfo) {
                     $objRoomInfo = new HotelRoomInformation();
                     $roomStatus = $objRoomInfo->getAllRoomStatus();
@@ -3111,7 +3111,7 @@ class AdminProductsControllerCore extends AdminController
                 $this->displayWarning($this->l('You must save the room type in this shop before managing hotel configuration.'));
             }
         } else {
-            $this->displayWarning($this->l('You must save this room type before managing hotel configuration.'));
+            $this->displayWarning($this->l('You must save this room type before managing rooms.'));
         }
 
         $this->tpl_form_vars['custom_form'] = $data->fetch();
@@ -4527,7 +4527,7 @@ class AdminProductsControllerCore extends AdminController
 
         $objRoomType = new HotelRoomType();
         $objHotelInfo = new HotelBranchInformation();
-        $data->assign('htl_info', $objHotelInfo->hotelsNameAndId());
+        $data->assign('htl_info', HotelBranchInformation::getProfileAccessedHotels($this->context->employee->id_profile, 1));
         if ($hotelRoomType = $objRoomType->getRoomTypeInfoByIdProduct($product->id)) {
             $data->assign('htl_room_type', $hotelRoomType);
             $hotelFullInfo = $objHotelInfo->hotelBranchInfoById($hotelRoomType['id_hotel']);
diff --git a/controllers/admin/AdminSlipController.php b/controllers/admin/AdminSlipController.php
index 78579d512..6f104daee 100644
--- a/controllers/admin/AdminSlipController.php
+++ b/controllers/admin/AdminSlipController.php
@@ -38,6 +38,8 @@ class AdminSlipControllerCore extends AdminController
 
         $this->_select = ' o.`id_shop`';
         $this->_join .= ' LEFT JOIN '._DB_PREFIX_.'orders o ON (o.`id_order` = a.`id_order`)';
+        $this->_join .= ' INNER JOIN '._DB_PREFIX_.'htl_booking_detail hbd
+        ON (a.`id_order` = hbd.`id_order`) ' . HotelBranchInformation::addHotelRestriction(false, 'hbd');
         $this->_group = ' GROUP BY a.`id_order_slip`';
 
         $this->addRowAction('statusChange');
diff --git a/controllers/admin/AdminThemesController.php b/controllers/admin/AdminThemesController.php
index abab7d6fd..8772b899b 100644
--- a/controllers/admin/AdminThemesController.php
+++ b/controllers/admin/AdminThemesController.php
@@ -1361,8 +1361,8 @@ class AdminThemesControllerCore extends AdminController
         $fields_value['theme_name'] = $theme->name;
         $fields_value['theme_directory'] = $theme->directory;
         $fields_value['theme_version'] = '1.0';
-        $fields_value['compa_from'] = _PS_VERSION_;
-        $fields_value['compa_to'] = _PS_VERSION_;
+        $fields_value['compa_from'] = _QLOAPPS_VERSION_;
+        $fields_value['compa_to'] = _QLOAPPS_VERSION_;
         $fields_value['id_theme_export'] = Tools::getValue('id_theme_export');
         $fields_value['documentationName'] = $this->l('documentation');
 
diff --git a/mails/en/hotel_booking_cart_data.tpl b/mails/en/hotel_booking_cart_data.tpl
index 224fc2778..7f1d3eb67 100644
--- a/mails/en/hotel_booking_cart_data.tpl
+++ b/mails/en/hotel_booking_cart_data.tpl
@@ -7,7 +7,6 @@
             <tr>
                 <th>{l s="Room Image"}</th>
                 <th>{l s="Room Description"}</th>
-                <th>{l s="Hotel"}</th>
                 <th>{l s="Room Capcity"}</th>
                 <th>{l s="Unit Price"}</th>
                 <th>{l s="Rooms Qty"}</th>
@@ -25,9 +24,6 @@
                     <td >
                         {$data_v['name']}
                     </td>
-                    <td >
-                        {$data_v['hotel_name']}
-                    </td>
                     <td >
                         {$rm_v['adults']} {l s='Adults'}, {$rm_v['children']} {l s='Children'}
                     </td>
diff --git a/modules/hotelreservationsystem/classes/HotelBranchInformation.php b/modules/hotelreservationsystem/classes/HotelBranchInformation.php
index 27e679eb4..b4fb0ada8 100644
--- a/modules/hotelreservationsystem/classes/HotelBranchInformation.php
+++ b/modules/hotelreservationsystem/classes/HotelBranchInformation.php
@@ -730,50 +730,56 @@ class HotelBranchInformation extends ObjectModel
             $catName,
             $parent_category
         )) {
-            if (is_array($link_rewrite)) {
-                $objCategory = new Category($categoryExists['id_category']);
-
-                foreach (Language::getLanguages() as $lang) {
-                    $objCategory->link_rewrite[$lang['id_lang']] = $link_rewrite[$lang['id_lang']];
-                }
-
-                $objCategory->save();
-            }
-            return $categoryExists['id_category'];
-        } else {
-            $category = new Category();
-            foreach (Language::getLanguages(true) as $lang) {
-                if (is_array($name) && isset($name[$lang['id_lang']])) {
-                    $catName = $name[$lang['id_lang']];
-                } else {
-                    $catName = $name;
-                }
-                $category->name[$lang['id_lang']] = $catName;
-                $category->description[$lang['id_lang']] = $this->moduleInstance->l('Hotel Branch Category', 'HotelBranchInformation');
-
+            $idHotel = isset($params['id_hotel']) ? $params['id_hotel'] : false;
+            $isHotel = isset($params['is_hotel']) ? $params['is_hotel'] : false;
+            $existsCatId = $categoryExists['id_category'];
+            $belongsToSameHotel = ($idHotel == HotelBranchInformation::getHotelIdByIdCategory($existsCatId));
+            if (!$isHotel || $belongsToSameHotel) {
                 if (is_array($link_rewrite)) {
-                    $category->link_rewrite[$lang['id_lang']] = $link_rewrite[$lang['id_lang']];
-                } else {
-                    $category->link_rewrite[$lang['id_lang']] = Tools::link_rewrite($catName);
+                    $objCategory = new Category($existsCatId);
+
+                    foreach (Language::getLanguages() as $lang) {
+                        $objCategory->link_rewrite[$lang['id_lang']] = $link_rewrite[$lang['id_lang']];
+                    }
+
+                    $objCategory->save();
                 }
+                return $existsCatId;
             }
-
-            if ($meta_title) {
-                $category->meta_title = $meta_title;
-            }
-            if ($meta_description) {
-                $category->meta_description = $meta_description;
-            }
-            if ($meta_keywords) {
-                $category->meta_keywords = $meta_keywords;
-            }
-
-            $category->id_parent = $parent_category;
-            $category->groupBox = $group_ids;
-            $category->add();
-
-            return $category->id;
         }
+
+        $category = new Category();
+        foreach (Language::getLanguages(true) as $lang) {
+            if (is_array($name) && isset($name[$lang['id_lang']])) {
+                $catName = $name[$lang['id_lang']];
+            } else {
+                $catName = $name;
+            }
+            $category->name[$lang['id_lang']] = $catName;
+            $category->description[$lang['id_lang']] = $this->moduleInstance->l('Hotel Branch Category', 'HotelBranchInformation');
+
+            if (is_array($link_rewrite)) {
+                $category->link_rewrite[$lang['id_lang']] = $link_rewrite[$lang['id_lang']];
+            } else {
+                $category->link_rewrite[$lang['id_lang']] = Tools::link_rewrite($catName);
+            }
+        }
+
+        if ($meta_title) {
+            $category->meta_title = $meta_title;
+        }
+        if ($meta_description) {
+            $category->meta_description = $meta_description;
+        }
+        if ($meta_keywords) {
+            $category->meta_keywords = $meta_keywords;
+        }
+
+        $category->id_parent = $parent_category;
+        $category->groupBox = $group_ids;
+        $category->add();
+
+        return $category->id;
     }
 
     //Overrided ObjectModet::delete() to delete all the dependencies of the hotel
diff --git a/modules/hotelreservationsystem/controllers/admin/AdminAddHotelController.php b/modules/hotelreservationsystem/controllers/admin/AdminAddHotelController.php
index 57dcea009..a2b513676 100644
--- a/modules/hotelreservationsystem/controllers/admin/AdminAddHotelController.php
+++ b/modules/hotelreservationsystem/controllers/admin/AdminAddHotelController.php
@@ -907,6 +907,7 @@ class AdminAddHotelController extends ModuleAdminController
     public function ajaxProcessChangeCoverImage()
     {
         $idImage = Tools::getValue('id_image');
+        $response = array('status' => false);
         if ($idImage) {
             $idHotel = Tools::getValue('id_hotel');
             if ($coverImg = HotelImage::getCover($idHotel)) {
@@ -918,17 +919,15 @@ class AdminAddHotelController extends ModuleAdminController
             $objHtlImage = new HotelImage((int) $idImage);
             $objHtlImage->cover = 1;
             if ($objHtlImage->update()) {
-                die(true);
-            } else {
-                die(false);
+                $response['status'] = true;
             }
-        } else {
-            die(false);
         }
+        $this->ajaxDie(json_encode($response));
     }
 
     public function ajaxProcessDeleteHotelImage()
     {
+        $response = array('status' => false);
         if ($idImage = Tools::getValue('id_image')) {
             if ($idHotel = Tools::getValue('id_hotel')) {
                 if (Validate::isLoadedObject($objHtlImage = new HotelImage((int) $idImage))) {
@@ -941,12 +940,12 @@ class AdminAddHotelController extends ModuleAdminController
                                 $objHtlImage->save();
                             }
                         }
-                        die(true);
+                        $response['status'] = true;
                     }
                 }
             }
         }
-        die(false);
+        $this->ajaxDie(json_encode($response));
     }
 
     public function ajaxProcessUpdateSlidesPosition()
diff --git a/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php b/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php
index d78a32f41..fac60d468 100644
--- a/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php
+++ b/modules/hotelreservationsystem/controllers/admin/AdminHotelRoomsBookingController.php
@@ -1024,6 +1024,8 @@ class AdminHotelRoomsBookingController extends ModuleAdminController
             'no_realloc_rm_type_avail_txt' => $this->l('No room type available for reallocation.', null, true),
             'no_swap_rm_avail_txt' => $this->l('No room available for swap.', null, true),
             'select_room_txt' => $this->l('Select room', null, true),
+            'added_room_success_txt' => $this->l('Room added to cart successfully', null, true),
+            'removed_room_success_txt' => $this->l('Room removed from cart successfully', null, true),
         );
         if (Configuration::get('PS_BACKOFFICE_SEARCH_TYPE') == HotelBookingDetail::SEARCH_TYPE_OWS ) {
             $jsVars['is_occupancy_wise_search'] = true;
diff --git a/modules/hotelreservationsystem/views/js/HotelReservationAdmin.js b/modules/hotelreservationsystem/views/js/HotelReservationAdmin.js
index 33fdb3ab6..b3232b15f 100644
--- a/modules/hotelreservationsystem/views/js/HotelReservationAdmin.js
+++ b/modules/hotelreservationsystem/views/js/HotelReservationAdmin.js
@@ -293,32 +293,6 @@ $(document).ready(function() {
         }
     });
 
-    // delete hotel image
-	$('.deleteHtlImage').on('click', function(){
-		var imgId = $(this).attr('id_htl_img');
-		var $this = $(this);
-		$.ajax({
-			url: statebycountryurl,
-			data: {
-				id_htl_img: imgId,
-				ajax: true,
-				action: 'deleteHotelImage',
-			},
-			method: 'POST',
-			success: function(data) {
-				if (data == 1) {
-					$this.closest('.img-container-div').remove();
-					showSuccessMessage(htlImgDeleteSuccessMsg);
-				} else {
-					showErrorMessage(htlImgDeleteErrMsg);
-				}
-			},
-			error: function(XMLHttpRequest, textStatus, errorThrown) {
-				alert(textStatus);
-			}
-		});
-	});
-
     $('#hotel_country').on('change', function() {
         $('#hotel_state').empty();
         $.ajax({
diff --git a/modules/hotelreservationsystem/views/js/admin/hotel_rooms_booking.js b/modules/hotelreservationsystem/views/js/admin/hotel_rooms_booking.js
index 1c4805138..225f08bd2 100644
--- a/modules/hotelreservationsystem/views/js/admin/hotel_rooms_booking.js
+++ b/modules/hotelreservationsystem/views/js/admin/hotel_rooms_booking.js
@@ -386,6 +386,7 @@ $(document).ready(function() {
                         if (result.success) {
                             $(".cart_booking_btn").removeAttr('disabled');
                             $current_btn.removeAttr('disabled');
+                            showSuccessMessage(added_room_success_txt);
                         }
 
                         btn.removeClass('btn-primary').removeClass('avai_add_cart').addClass('btn-danger').addClass('avai_delete_cart_data').html(remove);
@@ -512,6 +513,7 @@ $(document).ready(function() {
                 if (!result.success) {
                     $(".cart_booking_btn").attr('disabled', 'true');
                 } else {
+                    showSuccessMessage(removed_room_success_txt);
                     $("#htl_rooms_list").empty().append(result.data.room_tpl);
                     refreshCartData();
                     refreshStatsData();
@@ -571,7 +573,7 @@ $(document).ready(function() {
                     if (!(result.success)) {
                         $(".cart_booking_btn").attr('disabled', 'true');
                     }
-
+                    showSuccessMessage(removed_room_success_txt);
                     $(".cart_tbody tr td button[data-id-cart-book-data='" + id_cart_book_data + "']").parent().parent().remove();
                     refreshCartData();
                     refreshStatsData();
diff --git a/modules/hotelreservationsystem/views/js/hotelImage.js b/modules/hotelreservationsystem/views/js/hotelImage.js
index ad3152c06..c1fd5f666 100644
--- a/modules/hotelreservationsystem/views/js/hotelImage.js
+++ b/modules/hotelreservationsystem/views/js/hotelImage.js
@@ -109,6 +109,7 @@ $(document).ready(function () {
             $.ajax({
                 type:'POST',
                 url: adminHotelCtrlUrl,
+                dataType: 'json',
                 data: {
                     ajax: true,
                     action: 'changeCoverImage',
@@ -116,7 +117,7 @@ $(document).ready(function () {
                     id_image: idImage,
                 },
                 success: function(result) {
-                    if (result) {
+                    if (result.status) {
                         // remover cover image identifier from old cover image
                         var oldCoverImageTr = $("#hotel-image-table tbody tr.cover-image-tr");
                         oldCoverImageTr.removeClass("cover-image-tr").find("td.cover-image-td").removeClass("cover-image-td").find("a.changer-cover-image").removeClass("text-success").addClass("text-danger").attr("data-is-cover", "0").find("i.icon-check").removeClass("icon-check").addClass("icon-times");
@@ -149,6 +150,7 @@ $(document).ready(function () {
             $.ajax({
                 type:'POST',
                 url: adminHotelCtrlUrl,
+                dataType: 'json',
                 data: {
                     ajax: true,
                     action: 'deleteHotelImage',
@@ -156,7 +158,7 @@ $(document).ready(function () {
                     id_image: idImage,
                 },
                 success: function(result) {
-                    if (result) {
+                    if (result.status) {
                         if (parseInt(isCover)) {
                             location.reload();
                         } else {
diff --git a/modules/qlopaypalcommerce/classes/WkPaypalCommerceHelper.php b/modules/qlopaypalcommerce/classes/WkPaypalCommerceHelper.php
index 42b4e1b0e..cc0ee0129 100644
--- a/modules/qlopaypalcommerce/classes/WkPaypalCommerceHelper.php
+++ b/modules/qlopaypalcommerce/classes/WkPaypalCommerceHelper.php
@@ -65,7 +65,7 @@ class WkPaypalCommerceHelper
         if ($err) {
             throw new PrestaShopException(sprintf('cURL Error #: %s', $err));
         } else {
-            $accessToken = Tools::jsonDecode($response, true);
+            $accessToken = json_decode($response, true);
             if (isset($accessToken['error']) && !empty($accessToken['error'])) {
                 $apiResp['success'] = false;
                 $apiResp['message'] = $accessToken['error_description'];
@@ -83,12 +83,12 @@ class WkPaypalCommerceHelper
         $temp = array(
             "alg" => "none"
         );
-        $returnData = base64_encode(Tools::jsonEncode($temp)) . '.';
+        $returnData = base64_encode(json_encode($temp)) . '.';
         $temp = array(
             "iss" => trim(Configuration::get('WK_PAYPAL_COMMERCE_CLIENT_ID')),
             "payer_id" => Configuration::get('WK_PAYPAL_COMMERCE_MERCHANT_ID')
         );
-        $returnData .= base64_encode(Tools::jsonEncode($temp)) . '.';
+        $returnData .= base64_encode(json_encode($temp)) . '.';
         return $returnData;
     }
 
@@ -145,7 +145,7 @@ class WkPaypalCommerceHelper
                 CURLOPT_TIMEOUT => 30,
                 CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                 CURLOPT_CUSTOMREQUEST => "POST",
-                CURLOPT_POSTFIELDS => Tools::jsonEncode($postData),
+                CURLOPT_POSTFIELDS => json_encode($postData),
                 CURLOPT_HTTPHEADER => array(
                     "PayPal-Partner-Attribution-Id: " . PayPalHelper::WK_PAYPAL_COMMERCE_ATTRIBUTION_ID,
                     "authorization: Bearer " . $token,
@@ -161,7 +161,7 @@ class WkPaypalCommerceHelper
             if ($err) {
                 throw new PrestaShopException(sprintf('cURL Error #: %s', $err));
             } else {
-                $webhookResponse = Tools::jsonDecode($response, true);
+                $webhookResponse = json_decode($response, true);
                 if (isset($webhookResponse['id']) && !empty($webhookResponse['id'])) {
                     $apiResp['success'] = true;
                     $apiResp['webhook_id'] = $webhookResponse['id'];
@@ -243,7 +243,7 @@ class WkPaypalCommerceHelper
                 CURLOPT_TIMEOUT => 30,
                 CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
                 CURLOPT_CUSTOMREQUEST => "POST",
-                CURLOPT_POSTFIELDS => Tools::jsonEncode($postData),
+                CURLOPT_POSTFIELDS => json_encode($postData),
                 CURLOPT_HTTPHEADER => array(
                     "PayPal-Partner-Attribution-Id: " . PayPalHelper::WK_PAYPAL_COMMERCE_ATTRIBUTION_ID,
                     "authorization: Bearer " . $accessToken['access_token'],
@@ -260,7 +260,7 @@ class WkPaypalCommerceHelper
             if ($err) {
                 throw new PrestaShopException(sprintf('cURL Error #: %s', $err));
             } else {
-                $apiResp = Tools::jsonDecode($response, true);
+                $apiResp = json_decode($response, true);
             }
         }
         return $apiResp;
diff --git a/modules/qlopaypalcommerce/classes/WkPaypalCommerceWebhook.php b/modules/qlopaypalcommerce/classes/WkPaypalCommerceWebhook.php
index a1bc73ae0..4a6833f40 100644
--- a/modules/qlopaypalcommerce/classes/WkPaypalCommerceWebhook.php
+++ b/modules/qlopaypalcommerce/classes/WkPaypalCommerceWebhook.php
@@ -52,7 +52,7 @@ class WkPaypalCommerceWebhook
         if (isset($eventData['resource']['note_to_payer'])) {
             $refundObj->refund_reason = $eventData['resource']['note_to_payer'];
         }
-        $refundObj->response = Tools::jsonEncode($eventData);
+        $refundObj->response = json_encode($eventData);
         $refundObj->refund_status = $eventData['resource']['status'];
         $refundObj->save();
     }
@@ -188,7 +188,7 @@ class WkPaypalCommerceWebhook
         return Db::getInstance()->execute(
             'UPDATE `'._DB_PREFIX_.'wk_paypal_commerce_order`
             SET `pp_payment_status` = "'.pSQL($payment_status).'",
-            `response` = "'.pSQL(Tools::jsonEncode($orderData)).'"
+            `response` = "'.pSQL(json_encode($orderData)).'"
             WHERE `pp_transaction_id` = "'.pSQL($transaction_id).'"
             '
         );
diff --git a/modules/qlopaypalcommerce/controllers/admin/AdminPaypalCommerceTransactionController.php b/modules/qlopaypalcommerce/controllers/admin/AdminPaypalCommerceTransactionController.php
index 8de5e39e3..51360540d 100644
--- a/modules/qlopaypalcommerce/controllers/admin/AdminPaypalCommerceTransactionController.php
+++ b/modules/qlopaypalcommerce/controllers/admin/AdminPaypalCommerceTransactionController.php
@@ -144,7 +144,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
 
             $totalRefunded = WkPaypalCommerceRefund::getTotalRefundedAmount((int)$idTrans, false);
             $remainingRefund = (float)($transactionData['pp_paid_total'] - $totalRefunded);
-            $response = Tools::jsonDecode($transactionData['response'], true);
+            $response = json_decode($transactionData['response'], true);
 
             // Buyer making a payment in a different currency (ex: EUR) which is different from the default currency of merchant (Ex: USD), In all those cross currency cases, After Capture, transaction will fall into Pending state and will require merchant to manually go to his PayPal account and accept the payment.
             $objPPOrder = new WKPayPalCommerceOrder();
@@ -156,7 +156,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
                     $smartyVars['ppstatusDetailMsg'] = $objPPOrder->ppStatusDetail[$response['data']['purchase_units'][0]['payments']['captures'][0]['status_details']['reason']];
                 }
             }
-
+            $smartyVars['transaction_url'] = $this->context->link->getAdminLink('AdminPaypalCommerceTransaction',Tools::getAdminTokenLite('AdminPaypalCommerceTransaction')).'&viewwk_paypal_commerce_order&id_paypal_commerce_order=' . (int)$idTrans;
             $smartyVars['transaction_data'] = $transactionData;
             $smartyVars['refund_data'] = $refundData;
             $smartyVars['refunded_amount'] = $totalRefundedFormatted;
@@ -231,7 +231,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
                                 WkPaypalCommerceHelper::logMsg('refund', 'PayPal Transaction ID: '. $transactionData['pp_transaction_id']);
                                 WkPaypalCommerceHelper::logMsg('refund', 'PayPal Order ID: '. $transactionData['pp_order_id']);
                                 WkPaypalCommerceHelper::logMsg('refund', 'Refund request data: ');
-                                WkPaypalCommerceHelper::logMsg('refund', Tools::jsonEncode($postData));
+                                WkPaypalCommerceHelper::logMsg('refund', json_encode($postData));
 
                                 $objPPCommerce = new PayPalCommerce();
                                 $refundData = $objPPCommerce->orders->refund($postData);
@@ -243,7 +243,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
                                     WkPaypalCommerceHelper::logMsg('refund', 'Refund success: ', true);
                                     WkPaypalCommerceHelper::logMsg('refund', 'PayPal Refund Id: '. $refundID);
                                     WkPaypalCommerceHelper::logMsg('refund', 'Refund reponse data: ');
-                                    WkPaypalCommerceHelper::logMsg('refund', Tools::jsonEncode($refundData));
+                                    WkPaypalCommerceHelper::logMsg('refund', json_encode($refundData));
                                     WkPaypalCommerceHelper::logMsg('refund', '----------------------- ', true);
 
                                     $refundObj = new WkPaypalCommerceRefund();
@@ -253,7 +253,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
                                     $refundObj->refund_type = (int)$refundType;
                                     $refundObj->currency_code = $transactionData['pp_paid_currency'];
                                     $refundObj->refund_reason = $refundReason;
-                                    $refundObj->response = Tools::jsonEncode($refundData);
+                                    $refundObj->response = json_encode($refundData);
                                     $refundObj->refund_status = $refundData['data']['status'];
                                     if ($refundObj->save()) {
                                         $urlString = '&viewwk_paypal_commerce_order=&id_paypal_commerce_order=' . (int)Tools::getValue('id_paypal_commerce_order');
@@ -263,7 +263,7 @@ class AdminPaypalCommerceTransactionController extends ModuleAdminController
                                 } else {
                                     WkPaypalCommerceHelper::logMsg('refund', 'Refund failed: ', true);
                                     WkPaypalCommerceHelper::logMsg('refund', 'Refund reponse data: ');
-                                    WkPaypalCommerceHelper::logMsg('refund', Tools::jsonEncode($refundData));
+                                    WkPaypalCommerceHelper::logMsg('refund', json_encode($refundData));
                                     WkPaypalCommerceHelper::logMsg('refund', '----------------------- ', true);
                                     $this->errors[] = $refundData['data']['message'];
                                 }
diff --git a/modules/qlopaypalcommerce/controllers/front/callback.php b/modules/qlopaypalcommerce/controllers/front/callback.php
index daa39abb9..89aac427d 100644
--- a/modules/qlopaypalcommerce/controllers/front/callback.php
+++ b/modules/qlopaypalcommerce/controllers/front/callback.php
@@ -44,25 +44,25 @@ class QloPaypalCommerceCallbackModuleFrontController extends ModuleFrontControll
         }
 
         if ($json) {
-            $payload['webhook_event'] = Tools::jsonDecode($json, true);
+            $payload['webhook_event'] = json_decode($json, true);
         }
 
         if ($payload) {
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook initiated...', true);
             WkPaypalCommerceHelper::logMsg('webhook', 'Environment: '. Configuration::get('WK_PAYPAL_COMMERCE_PAYMENT_MODE'));
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook payload data: ');
-            WkPaypalCommerceHelper::logMsg('webhook', Tools::jsonEncode($payload));
+            WkPaypalCommerceHelper::logMsg('webhook', json_encode($payload));
             WkPaypalCommerceHelper::logMsg('webhook', 'Validating webhook signature...');
 
             $validateSig = WkPaypalCommerceHelper::validateWebhookSig($payload);
 
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook respose data: ');
-            WkPaypalCommerceHelper::logMsg('webhook', Tools::jsonEncode($validateSig));
+            WkPaypalCommerceHelper::logMsg('webhook', json_encode($validateSig));
 
             if (isset($validateSig['verification_status'])
                 && $validateSig['verification_status'] == 'SUCCESS'
             ) {
-                $eventData = Tools::jsonDecode($json, true);
+                $eventData = json_decode($json, true);
                 $objWebhook = new WkPaypalCommerceWebhook();
                 switch ($eventData['event_type']) {
                     case 'CHECKOUT.ORDER.APPROVED':
diff --git a/modules/qlopaypalcommerce/controllers/front/payment.php b/modules/qlopaypalcommerce/controllers/front/payment.php
index 61eeb19c1..3795a5e75 100644
--- a/modules/qlopaypalcommerce/controllers/front/payment.php
+++ b/modules/qlopaypalcommerce/controllers/front/payment.php
@@ -69,7 +69,7 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
             switch ($action) {
                 case 1:
                     $json = Tools::file_get_contents('php://input');
-                    $orderDetails = Tools::jsonDecode($json, true);
+                    $orderDetails = json_decode($json, true);
 
                     $cart = $this->context->cart;
 
@@ -86,23 +86,23 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
 
                     // create order
                     $orderDetails['original'] = $this->getOrderDetails();
-                    WkPaypalCommerceHelper::logMsg('payment', Tools::jsonEncode($orderDetails));
+                    WkPaypalCommerceHelper::logMsg('payment', json_encode($orderDetails));
 
                     $ppOrderData = $ppCommerce->orders->create($orderDetails);
 
                     WkPaypalCommerceHelper::logMsg('payment', 'Payment response data: ', true);
-                    WkPaypalCommerceHelper::logMsg('payment', Tools::jsonEncode($ppOrderData));
+                    WkPaypalCommerceHelper::logMsg('payment', json_encode($ppOrderData));
 
-                    die(Tools::jsonEncode($ppOrderData));
+                    die(json_encode($ppOrderData));
                 case 2:
                     $json = Tools::file_get_contents('php://input');
-                    $orderData = Tools::jsonDecode($json, true);
+                    $orderData = json_decode($json, true);
 
                     if ($orderData['orderID'] && $orderData['getOrderData']) {
                         $ppCommerce = new PayPalCommerce();
                         $returnData = $ppCommerce->orders->capture($orderData['orderID']);
                         header('Content-Type: application/json');
-                        echo Tools::jsonEncode($returnData['data']);
+                        echo json_encode($returnData['data']);
                         die;
                     } elseif (Tools::getIsset('order_id')) {
                         $orderID = Tools::getValue('order_id');
@@ -116,14 +116,14 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
                         WkPaypalCommerceHelper::logMsg('payment', 'Customer ID: '. $cart->id_customer);
                         WkPaypalCommerceHelper::logMsg('payment', 'Currency ID: '. $cart->id_currency);
                         WkPaypalCommerceHelper::logMsg('payment', 'Cart Total: '. $cart->getOrderTotal(true, Cart::BOTH));
-                        WkPaypalCommerceHelper::logMsg('payment', Tools::jsonEncode($returnData));
+                        WkPaypalCommerceHelper::logMsg('payment', json_encode($returnData));
 
                         if (isset($returnData['data']['id']) && !empty($returnData['data']['id'])) {
                             // Payment success
                             $paypalOrderID = $returnData['data']['id'];
 
                             // Save order data
-                            $this->saveOrderData($returnData);
+                            $transaction_id = $this->saveOrderData($returnData);
                             if ($paypalOrderID) {
                                 $currency = $this->context->currency;
                                 $total = (float)$cart->getOrderTotal(true, Cart::BOTH);
@@ -144,6 +144,7 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
                                     $orderStatus = Configuration::get('PS_OS_AWAITING_PAYMENT');
                                 }
 
+                                $extraVars['transaction_id'] = $transaction_id;
                                 // create order for the payment
                                 $this->module->validateOrder(
                                     $cart->id,
@@ -151,7 +152,7 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
                                     $total,
                                     $this->module->l('PayPal Checkout', 'payment'),
                                     null,
-                                    null,
+                                    $extraVars,
                                     (int)$currency->id,
                                     false,
                                     $customer->secure_key
@@ -210,7 +211,7 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
                     break;
                 case 3:
                     WkPaypalCommerceHelper::logMsg('payment', 'Payment cancelled by customer...', true);
-                    WkPaypalCommerceHelper::logMsg('payment', Tools::jsonEncode(Tools::getAllValues()));
+                    WkPaypalCommerceHelper::logMsg('payment', json_encode(Tools::getAllValues()));
                     WkPaypalCommerceHelper::logMsg('payment', '--------------', true);
 
                     Tools::redirect($this->context->link->getPageLink('order-opc', true, null).'?pp_cancel=1');
@@ -226,6 +227,7 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
     // Save order data
     private function saveOrderData($orderData)
     {
+        $transaction_id = '';
         if ($orderData) {
             $purchaseUnits = $orderData['data']['purchase_units'];
             foreach ($purchaseUnits as $purchase) {
@@ -260,15 +262,13 @@ class QloPaypalCommercePaymentModuleFrontController extends ModuleFrontControlle
                 $orderObj->pp_order_id = $orderData['data']['id'];
                 $orderObj->pp_transaction_id = $transaction_id;
                 $orderObj->pp_payment_status = $payment_status;
-                $orderObj->response = Tools::jsonEncode($orderData);
+                $orderObj->response = json_encode($orderData);
                 $orderObj->order_date = date('Y-m-d H:i:s');
                 $orderObj->save();
             }
-
-            return true;
         }
 
-        return false;
+        return $transaction_id;
     }
 
     // Create order data to send to PayPal
diff --git a/modules/qlopaypalcommerce/controllers/front/webhook.php b/modules/qlopaypalcommerce/controllers/front/webhook.php
index 0ff356f8f..8315afd89 100644
--- a/modules/qlopaypalcommerce/controllers/front/webhook.php
+++ b/modules/qlopaypalcommerce/controllers/front/webhook.php
@@ -44,25 +44,25 @@ class QloPaypalCommerceWebhookModuleFrontController extends ModuleFrontControlle
         }
 
         if ($json) {
-            $payload['webhook_event'] = Tools::jsonDecode($json, true);
+            $payload['webhook_event'] = json_decode($json, true);
         }
 
         if ($payload) {
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook initiated...', true);
             WkPaypalCommerceHelper::logMsg('webhook', 'Environment: '. Configuration::get('WK_PAYPAL_COMMERCE_PAYMENT_MODE'));
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook payload data: ');
-            WkPaypalCommerceHelper::logMsg('webhook', Tools::jsonEncode($payload));
+            WkPaypalCommerceHelper::logMsg('webhook', json_encode($payload));
             WkPaypalCommerceHelper::logMsg('webhook', 'Validating webhook signature...');
 
             $validateSig = WkPaypalCommerceHelper::validateWebhookSig($payload);
 
             WkPaypalCommerceHelper::logMsg('webhook', 'Webhook respose data: ');
-            WkPaypalCommerceHelper::logMsg('webhook', Tools::jsonEncode($validateSig));
+            WkPaypalCommerceHelper::logMsg('webhook', json_encode($validateSig));
 
             if (isset($validateSig['verification_status'])
                 && $validateSig['verification_status'] == 'SUCCESS'
             ) {
-                $eventData = Tools::jsonDecode($json, true);
+                $eventData = json_decode($json, true);
                 $objWebhook = new WkPaypalCommerceWebhook();
                 switch ($eventData['event_type']) {
                     case 'CHECKOUT.ORDER.APPROVED':
diff --git a/modules/qlopaypalcommerce/libs/Helpers/HttpHelper.php b/modules/qlopaypalcommerce/libs/Helpers/HttpHelper.php
index cdd2952ba..f3c42b7ce 100644
--- a/modules/qlopaypalcommerce/libs/Helpers/HttpHelper.php
+++ b/modules/qlopaypalcommerce/libs/Helpers/HttpHelper.php
@@ -70,7 +70,7 @@ class HttpHelper {
 		$headerSize = curl_getinfo($this->_curl, CURLINFO_HEADER_SIZE);
 		$body = substr($result, $headerSize);
 
-		return Tools::jsonDecode($body, true);
+		return json_decode($body, true);
 	}
 
 	public function resetHelper() {
@@ -85,7 +85,7 @@ class HttpHelper {
 
 	public function setBody($postData) {
 		if(is_array($postData)) {
-			$postData = Tools::jsonEncode($postData);
+			$postData = json_encode($postData);
 		}
 		curl_setopt($this->_curl, CURLOPT_POSTFIELDS, $postData);
 		curl_setopt($this->_curl, CURLOPT_POST, true);
diff --git a/modules/qlopaypalcommerce/views/templates/admin/paypal_commerce_transaction/helpers/view/view.tpl b/modules/qlopaypalcommerce/views/templates/admin/paypal_commerce_transaction/helpers/view/view.tpl
index 67e31f9ff..8368c1a0b 100644
--- a/modules/qlopaypalcommerce/views/templates/admin/paypal_commerce_transaction/helpers/view/view.tpl
+++ b/modules/qlopaypalcommerce/views/templates/admin/paypal_commerce_transaction/helpers/view/view.tpl
@@ -107,7 +107,7 @@
 {if $transaction_data and $transaction_data.pp_payment_status == 'COMPLETED'}
     {* show refund form only if there is any remaing amount for refund *}
     {if $remaining_refund > 0}
-        <form action="" method="post" class="form-horizontal" id="refund_form">
+        <form action="{$transaction_url|escape:'html':'UTF-8'}" method="post" class="form-horizontal" id="refund_form">
             <div class="panel col-lg-12">
                 <div class="panel-heading">
                     <i class="icon-reply"></i>
diff --git a/modules/statsregistrations/statsregistrations.php b/modules/statsregistrations/statsregistrations.php
index 4e2deaa07..8c9c32c74 100644
--- a/modules/statsregistrations/statsregistrations.php
+++ b/modules/statsregistrations/statsregistrations.php
@@ -184,7 +184,11 @@ class StatsRegistrations extends ModuleGraph
     {
         $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->query.$this->getDate());
         foreach ($result as $row) {
-            $this->_values[(int)Tools::substr($row['date_add'], 0, 4)]++;
+            $year = (int)Tools::substr($row['date_add'], 0, 4);
+            if (!isset($this->_values[$year])) {
+                $this->_values[$year] = 0;
+            }
+            $this->_values[$year]++;
         }
     }
 
@@ -204,7 +208,11 @@ class StatsRegistrations extends ModuleGraph
     {
         $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->query.$this->getDate());
         foreach ($result as $row) {
-            $this->_values[(int)Tools::substr($row['date_add'], 8, 2)]++;
+            $days = (int)Tools::substr($row['date_add'], 8, 2);
+            if (!isset($this->_values[$days])) {
+                $this->_values[$days] = 0;
+            }
+            $this->_values[$days]++;
         }
     }
 
@@ -212,7 +220,11 @@ class StatsRegistrations extends ModuleGraph
     {
         $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS($this->query.$this->getDate());
         foreach ($result as $row) {
-            $this->_values[(int)Tools::substr($row['date_add'], 11, 2)]++;
+            $hour = (int)Tools::substr($row['date_add'], 11, 2);
+            if (!isset($this->_values[$hour])) {
+                $this->_values[$hour] = 0;
+            }
+            $this->_values[$hour]++;
         }
     }
 }
diff --git a/themes/hotel-reservation-theme/_partials/room_type_list.tpl b/themes/hotel-reservation-theme/_partials/room_type_list.tpl
index 377a22ae1..aaa0f3ec0 100644
--- a/themes/hotel-reservation-theme/_partials/room_type_list.tpl
+++ b/themes/hotel-reservation-theme/_partials/room_type_list.tpl
@@ -42,7 +42,7 @@
 						<div class="col-sm-8 room_info_cont">
 							{block name='room_type_list_room_quantity'}
 								<div class="row">
-									<p class="rm_heading col-sm-12 col-md-7">{$room_v['name']|escape:'htmlall':'UTF-8'}</p>
+									<a href="{$room_v['product_link']|escape:'htmlall':'UTF-8'}"><p class="rm_heading col-sm-12 col-md-7">{$room_v['name']|escape:'htmlall':'UTF-8'}</p></a>
 									{if !isset($restricted_country_mode) && !$PS_CATALOG_MODE && !$order_date_restrict}
 										<p class="rm_left col-sm-12 col-md-5" {if !empty($display_all_room_types) || $room_v['room_left'] > $warning_num} style="display:none"{/if}>
 											{l s='Hurry!'} <span class="remain_rm_qty">{$room_v['room_left']|escape:'htmlall':'UTF-8'}</span> {l s='rooms left'}
diff --git a/tools/parser_sql/php_sql_parser_autoload.php b/tools/parser_sql/php_sql_parser_autoload.php
index 00b8625f4..a9bb9d3a0 100644
--- a/tools/parser_sql/php_sql_parser_autoload.php
+++ b/tools/parser_sql/php_sql_parser_autoload.php
@@ -30,7 +30,8 @@ function classAutoLoader($class)
         return;
     }
 
-    $className = end(explode('\\', $class));
+    $parts = explode('\\', $class);
+    $className = end($parts);
     if(class_exists($className)) {
         return;
     }