isIsbn() public static méthode

Checks if given value is valid International Standard Book Number (ISBN).
public static isIsbn ( mixed $value ) : boolean
$value mixed
Résultat boolean
Validator Class Documentation
Exemple #1
0
 public function testValidateIsbn()
 {
     $isbn1 = '3498016709';
     $isbn2 = '978-3499255496';
     $isbn3 = '85-359-0277-5';
     $no_isbn = '123459181';
     $this->assertTrue(Validator::isIsbn($isbn1));
     $this->assertTrue(Validator::isIsbn($isbn2));
     $this->assertTrue(Validator::isIsbn($isbn3));
     $this->assertFalse(Validator::isIsbn($no_isbn));
 }