PayPal\Test\Validation\NumericValidatorTest::invalidProvider PHP Method

    public static function invalidProvider()
    {
        return array(array("01.j"), array("j.10"), array("empty"), array("null"));
    }

 public static function apiModelSettersInvalidProvider()
 {
     $provider = array();
     foreach (NumericValidatorTest::invalidProvider() as $value) {
         foreach (self::classMethodListProvider() as $method) {
             $provider[] = array_merge($method, array($value));
         }
     }
     return $provider;
 }