public static function postal($check)
{
$pattern = '/^[0-9]{5}$/i';
return (bool) preg_match($pattern, $check);
}
/** * test the postal method of ItValidation * * @return void */ public function testPostal() { $this->assertTrue(ItValidation::postal('10096')); $this->assertFalse(ItValidation::postal('1046')); }