class LimitDecimalsValidator in Form API Validation 8.2

Fapi Validation Plugin for Limit Decimals.

Plugin annotation

@FapiValidationValidator(
  id = "limit_decimals",
  error_message = "Invalid value for %field or too many decimal digits."
)

Hierarchy

• class \Drupal\fapi_validation\Plugin\FapiValidationValidator\LimitDecimalsValidator implements FapiValidationValidatorsInterface

File

src/Plugin/FapiValidationValidator/LimitDecimalsValidator.php, line 17

Namespace

Drupal\fapi_validation\Plugin\FapiValidationValidator

class LimitDecimalsValidator implements FapiValidationValidatorsInterface {

  /**
   * {@inheritdoc}
   */
  public function validate(Validator $validator, array $element, FormStateInterface $form_state) {
    $params = $validator
      ->getParams();
    $value = $validator
      ->getValue();
    if (!is_numeric($value)) {
      return FALSE;
    }
    if (count($params) > 0) {
      $value = (double) $value;
      $pattern = '/^[^\\.]*\\.?[0-9]{0,' . $params[0] . '}$/';
      return (bool) preg_match($pattern, (string) $value);
    }
    return TRUE;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
LimitDecimalsValidator::validate	public	function	Execute validation. Overrides FapiValidationValidatorsInterface::validate