public function Attribute::__toString in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Template/Attribute.php \Drupal\Core\Template\Attribute::__toString()

Implements the magic __toString() method.

Overrides MarkupInterface::__toString

File

core/lib/Drupal/Core/Template/Attribute.php, line 316

Class

Attribute

Collects, sanitizes, and renders HTML attributes.

Namespace

Drupal\Core\Template

Code

public function __toString() {
  $return = '';

  /** @var \Drupal\Core\Template\AttributeValueBase $value */
  foreach ($this->storage as $name => $value) {
    $rendered = $value
      ->render();
    if ($rendered) {
      $return .= ' ' . $rendered;
    }
  }
  return $return;
}