postal() публичный статический Метод

Checks a postal code for Russia
См. ссылку: https://en.wikipedia.org/wiki/List_of_postal_codes_in_Russia
public static postal ( string $check ) : boolean
$check string The value to check.
Результат boolean Success.
Документация по классу RuValidation
Пример #1
0
 /**
  * test the postal method of RuValidation
  *
  * @return void
  */
 public function testPostal()
 {
     $this->assertTrue(RuValidation::postal('101135'));
     $this->assertTrue(RuValidation::postal('693000'));
     $this->assertFalse(RuValidation::postal('100123'));
     $this->assertFalse(RuValidation::postal('200321'));
 }