Their data structures require up to 14-digit fields and all GTIN processing software should allow for 14 digits.
See link: http://www.idtechnology.com/uploads/whitepapers/UDI_eBook.pdf
See link: https://accessgudid.nlm.nih.gov/about-gudid#what-is-udi
See link: http://www.gs1.org/healthcare/udi
Inheritance: extends Gtin14, implements isocodes\IsoCodeInterface
Udi Class Documentation
Example #1
0
 /**
  * testInvalidUdi
  *
  * @param mixed $di
  *
  * @dataProvider getInvalidUdi
  *
  * @return void
  */
 public function testInvalidUdi($di)
 {
     $this->assertFalse(Udi::validate($di));
 }