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/Drupal 8

public function Attribute::__toString

public Attribute::__toString()

Implements the magic __toString() method.

Overrides MarkupInterface::__toString

File

core/lib/Drupal/Core/Template/Attribute.php, line 285

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;
}

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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Template!Attribute.php/function/Attribute::__toString/8.1.x