diff --git a/classes/Format.class.php b/classes/Format.class.php
index c8c83cd..bfed71a 100644
--- a/classes/Format.class.php
+++ b/classes/Format.class.php
@@ -141,6 +141,16 @@ class Format
         }
         return '';
     }
+
+    static public function phone2int($phone)
+    {
+        $phone = str_replace(array(' ','-','(',')'), '', $phone);
+        $phone_length = strlen($phone);
+        if (is_numeric($phone) && ($phone_length == 7 || $phone_length == 10)) { //бывают семизначные прямые номера
+            return $phone;
+        }
+        return '';
+    }
 }
 
 Format::setTimezoneOffset(date('Z'));