function Attribute::merge

Merges an Attribute object into the current storage.

Parameters

\Drupal\Core\Template\Attribute $collection: The Attribute object to merge.

Return value

$this

File

core/lib/Drupal/Core/Template/Attribute.php, line 391

Class

Attribute

Collects, sanitizes, and renders HTML attributes.

Namespace

Drupal\Core\Template

Code

public function merge(Attribute $collection) {
    $merged_attributes = NestedArray::mergeDeep($this->toArray(), $collection->toArray());
    foreach ($merged_attributes as $name => $value) {
        $this->storage[$name] = $this->createAttributeValue($name, $value);
    }
    return $this;
}