function Attribute::offsetGet

File

core/lib/Drupal/Core/Template/Attribute.php, line 93

Class

Attribute

Collects, sanitizes, and renders HTML attributes.

Namespace

Code

public function offsetGet($name) : mixed {
    if (isset($this->storage[$name])) {
        return $this->storage[$name];
    }
    // The 'class' array key is expected to be itself an array, and therefore
    // can be accessed using array append syntax before it has been initialized.
    if ($name === 'class') {
        // Initialize the class attribute as an empty array if not set.
        $this->offsetSet('class', []);
        return $this->storage['class'];
    }
    return NULL;
}