An example on how do dynamically forward

README.md

@@ -56,9 +56,31 @@ For further information on validation rules see the [cakephp documentation on va
 You can also access the localized validators any time you would call `Validation` methods. After importing the validation class.
 
 ```php
-	if (Validation::postal($value, null, 'cz')) {
-		// Do something with valid postal code
-	}
+if (Validation::postal($value, null, 'cz')) {
+	// Do something with valid postal code
+}
+```
+
+## Dynamic forwarding of validation
+Using a snippet like the following could reduce the manual include/setup part when using multiple localizations:
+```php
+// Inside your custom validation rule validatePostal()
+// $country (de, at, ...) and $value (12345, 1234, ...) given
+$className = ucfirst($country) . 'Validation';
+App::uses($className, 'Localized.Validation');
+
+// Skip if we don't have that country, then only check for existence
+if (!class_exists($className) || !method_exists($className, 'postal')) {
+	return !empty($value);
+}
+
+try {
+	$result = Validation::postal($value, null, $country);
+} catch (NotImplementedException $e) {
+	$result = !empty($value);
+}
+
+return $result;
 ```
 
 ## PO files