protected function WebformSubmissionConditionsValidator::validateCondition in Webform 8.5

Same name and namespace in other branches

1. 6.x src/WebformSubmissionConditionsValidator.php \Drupal\webform\WebformSubmissionConditionsValidator::validateCondition()

Validate #state condition.

Parameters

string $selector: The #state condition selector.

array $condition: A condition.

\Drupal\webform\WebformSubmissionInterface $webform_submission: A webform submission.

Return value

bool|null TRUE if the condition validates. NULL if condition can't be processed. NULL is returned when there is invalid selector and missing element in the conditions.

2 calls to WebformSubmissionConditionsValidator::validateCondition()

WebformSubmissionConditionsValidator::replaceCrossPageTargets in src/WebformSubmissionConditionsValidator.php

Replace hidden cross page targets with hidden inputs.

WebformSubmissionConditionsValidator::validateConditions in src/WebformSubmissionConditionsValidator.php

Validate #state conditions.

File

src/WebformSubmissionConditionsValidator.php, line 676

Class

WebformSubmissionConditionsValidator

Webform submission conditions (#states) validator.

Namespace

Drupal\webform

Code

protected function validateCondition($selector, array $condition, WebformSubmissionInterface $webform_submission) {

  // Ignore invalid selector and return NULL.
  $input_name = static::getSelectorInputName($selector);
  if (!$input_name) {
    return NULL;
  }
  $element_key = static::getInputNameAsArray($input_name, 0);
  $element = $webform_submission
    ->getWebform()
    ->getElement($element_key);

  // If no element is found try checking file uploads which use
  // :input[name="files[ELEMENT_KEY].
  // @see \Drupal\webform\Plugin\WebformElement\WebformManagedFileBase::getElementSelectorOptions
  if (!$element && strpos($selector, ':input[name="files[') !== FALSE) {
    $element_key = static::getInputNameAsArray($input_name, 1);
    $element = $webform_submission
      ->getWebform()
      ->getElement($element_key);
  }

  // Ignore missing dependee element and return NULL.
  if (!$element) {
    return NULL;
  }

  // Issue #1149078: States API doesn't work with multiple select fields.
  // @see https://www.drupal.org/project/drupal/issues/1149078
  if (WebformArrayHelper::isSequential($condition)) {
    $sub_condition_results = [];
    foreach ($condition as $sub_condition) {
      $sub_condition_results[] = $this
        ->checkCondition($element, $selector, $sub_condition, $webform_submission);
    }

    // Evaluate sub-conditions using the 'OR' operator.
    return (bool) array_sum($sub_condition_results);
  }
  else {
    return $this
      ->checkCondition($element, $selector, $condition, $webform_submission);
  }
}