function HTMLRestrictions::extractPlainTagsSubset

Extracts the subset of plain tags (attributes omitted) from allowed elements.

Return value

\Drupal\ckeditor5\HTMLRestrictions The extracted subset of the given set of HTML restrictions.

File

core/modules/ckeditor5/src/HTMLRestrictions.php, line 1102

Class

HTMLRestrictions

Represents a set of HTML restrictions.

Namespace

Code

public function extractPlainTagsSubset() : HTMLRestrictions {
  // Ignore the global attribute `*` HTML tag: that is by definition not a
  // plain tag.
  $plain_tags = array_diff(array_keys($this->getConcreteSubset()
    ->getAllowedElements()), [
    '*',
  ]);
  return new self(array_fill_keys($plain_tags, FALSE));
}