function AttributeArray::__toString

Implements the magic __toString() method.

Overrides AttributeValueBase::__toString

File

core/lib/Drupal/Core/Template/AttributeArray.php, line 71

Class

AttributeArray

A class that defines a type of Attribute that can be added to as an array.

Namespace

Drupal\Core\Template

Code

public function __toString() {
    // Filter out any empty values before printing.
    $this->value = array_unique(array_filter($this->value));
    return Html::escape(implode(' ', $this->value));
}