protected SubformState::getParents($property)
Gets the subform's parents relative to its parent form.
Parameters
string $property: The property name (#parents or #array_parents).
Return value
mixed
Throws
\InvalidArgumentException Thrown when the requested property does not exist.
\UnexpectedValueException Thrown when the subform is not contained by the given parent form.
File
- core/lib/Drupal/Core/Form/SubformState.php, line 73
Class
- SubformState
- Stores information about the state of a subform.
Namespace
Drupal\Core\Form
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | protected function getParents($property) { foreach ([$this->subform, $this->parentForm] as $form) { if (!isset($form[$property]) || !is_array($form[$property])) { throw new \RuntimeException(sprintf('The subform and parent form must contain the %s property, which must be an array. Try calling this method from a #process callback instead.', $property)); } } $relative_subform_parents = $this->subform[$property]; // Remove all of the subform's parents that are also the parent form's // parents, so we are left with the parents relative to the parent form. foreach ($this->parentForm[$property] as $parent_form_parent) { if ($parent_form_parent !== $relative_subform_parents[0]) { // The parent form's parents are the subform's parents as well. If we // find no match, that means the given subform is not contained by the // given parent form. throw new \UnexpectedValueException('The subform is not contained by the given parent form.'); } array_shift($relative_subform_parents); } return $relative_subform_parents;} |
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