@@ -14,10 +14,16 @@ class admin_list_table extends WP_List_Table {

     ));

   }

+  protected function get_table_name() {

+    global $wpdb;

+    return $wpdb->prefix . "customers";

+  }

+

+

   public function get_item_data($per_page = 5, $page_number = 1) {

     global $wpdb;

-    $sql = "SELECT * FROM {$wpdb->prefix}customers";

+    $sql = "SELECT * FROM ". $this->get_table_name();

     if (!empty($_REQUEST['orderby'])) {

       $sql .= ' ORDER BY ' . esc_sql($_REQUEST['orderby']);

@@ -36,7 +42,7 @@ class admin_list_table extends WP_List_Table {

     global $wpdb;

     $wpdb->delete(

-      "{$wpdb->prefix}customers",

+      $this->get_table_name(),

       array('ID' => $id),

       array('%d')

     );

@@ -45,7 +51,7 @@ class admin_list_table extends WP_List_Table {

   public function record_count() {

     global $wpdb;

-    $sql = "SELECT COUNT(*) FROM {$wpdb->prefix}customers";

+    $sql = "SELECT COUNT(*) FROM ". $this->get_table_name();

     return $wpdb->get_var($sql);

   }