diff --git a/src/include/abstracts/class-wc-retailcrm-abstracts-data.php b/src/include/abstracts/class-wc-retailcrm-abstracts-data.php
index 20ad0b3..631b200 100644
--- a/src/include/abstracts/class-wc-retailcrm-abstracts-data.php
+++ b/src/include/abstracts/class-wc-retailcrm-abstracts-data.php
@@ -58,6 +58,6 @@ abstract class WC_Retailcrm_Abstracts_Data
      */
     public function get_data()
     {
-        return apply_filters('retailcrm_before_send_' . $this->filter_name, $this->data);
+        return apply_filters('retailcrm_before_send_' . $this->filter_name, WC_Retailcrm_Plugin::clearArray($this->data));
     }
 }
diff --git a/src/include/class-wc-retailcrm-customers.php b/src/include/class-wc-retailcrm-customers.php
index 23083e4..554373e 100644
--- a/src/include/class-wc-retailcrm-customers.php
+++ b/src/include/class-wc-retailcrm-customers.php
@@ -534,7 +534,7 @@ if (!class_exists('WC_Retailcrm_Customers')) :
                 );
             }
 
-            $this->customer = apply_filters('retailcrm_process_customer', $data_customer, $customer);
+            $this->customer = apply_filters('retailcrm_process_customer', WC_Retailcrm_Plugin::clearArray($data_customer), $customer);
         }
 
         /**
@@ -576,25 +576,25 @@ if (!class_exists('WC_Retailcrm_Customers')) :
 
             $this->customerCorporate = apply_filters(
                 'retailcrm_process_customer_corporate',
-                $data_customer,
+                WC_Retailcrm_Plugin::clearArray($data_customer),
                 $customer
             );
             $this->customerCorporateContact = apply_filters(
                 'retailcrm_process_customer_corporate_contact',
-                $data_contact,
+                WC_Retailcrm_Plugin::clearArray($data_contact),
                 $customer
             );
             $this->customerCorporateAddress = apply_filters(
                 'retailcrm_process_customer_corporate_address',
-                array_merge(
+                WC_Retailcrm_Plugin::clearArray(array_merge(
                     $data_contact['address'],
                     array('isMain' => true)
-                ),
+                )),
                 $customer
             );
             $this->customerCorporateCompany = apply_filters(
                 'retailcrm_process_customer_corporate_company',
-                $data_company,
+                WC_Retailcrm_Plugin::clearArray($data_company),
                 $customer
             );
         }
diff --git a/src/include/class-wc-retailcrm-history.php b/src/include/class-wc-retailcrm-history.php
index 981786d..4bf0a00 100644
--- a/src/include/class-wc-retailcrm-history.php
+++ b/src/include/class-wc-retailcrm-history.php
@@ -260,7 +260,7 @@ if ( ! class_exists( 'WC_Retailcrm_History' ) ) :
                 WC_Retailcrm_Plugin::$history_run = true;
 
                 foreach ($historyAssembly as $orderHistory) {
-                    $order = apply_filters('retailcrm_history_before_save', $orderHistory);
+                    $order = WC_Retailcrm_Plugin::clearArray(apply_filters('retailcrm_history_before_save', $orderHistory));
 
                     if (isset($order['deleted']) && $order['deleted'] == true) {
                         continue;
diff --git a/src/include/class-wc-retailcrm-orders.php b/src/include/class-wc-retailcrm-orders.php
index 14571e5..1d8f8d7 100644
--- a/src/include/class-wc-retailcrm-orders.php
+++ b/src/include/class-wc-retailcrm-orders.php
@@ -483,7 +483,7 @@ if ( ! class_exists( 'WC_Retailcrm_Orders' ) ) :
                 $order_data['payments'][] = $this->order_payment->build($order)->get_data();
             }
 
-            $this->order = apply_filters('retailcrm_process_order', $order_data, $order);
+            $this->order = apply_filters('retailcrm_process_order', WC_Retailcrm_Plugin::clearArray($order_data), $order);
         }
 
         /**
diff --git a/src/include/functions.php b/src/include/functions.php
index f15eb41..e255df1 100644
--- a/src/include/functions.php
+++ b/src/include/functions.php
@@ -67,7 +67,7 @@ function get_wc_shipping_methods() {
         );
     }
 
-    return apply_filters('retailcrm_shipping_list', $result);
+    return apply_filters('retailcrm_shipping_list', WC_Retailcrm_Plugin::clearArray($result));
 }
 
 function retailcrm_get_delivery_service($method_id, $instance_id) {