Same name in other branches

1. 8.9.x core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::merge()
2. 10 core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::merge()
3. 11.x core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\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 390

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;
}

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