orFalse() public méthode

public orFalse ( )
 public function testOrFalseIgnored()
 {
     $disjunction1 = new OrX(array($notNull = new Same('10')));
     $disjunction2 = $disjunction1->orFalse();
     $this->assertSame($disjunction1, $disjunction2);
 }