public function AttributeArray::__toString in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/Template/AttributeArray.php \Drupal\Core\Template\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));
}