public function FeedsItemGuidFormatter::viewElements in Feeds 8.3

Builds a renderable array for a field value.

Parameters

\Drupal\Core\Field\FieldItemListInterface $items: The field values to be rendered.

string $langcode: The language that should be used to render the field.

Return value

array A renderable array for $items, as an array of child elements keyed by consecutive numeric indexes starting from 0.

Overrides FormatterInterface::viewElements

File

src/Plugin/Field/FieldFormatter/FeedsItemGuidFormatter.php, line 25

Class

FeedsItemGuidFormatter

Plugin implementation of the 'feeds_item_guid' formatter.

Namespace

Drupal\feeds\Plugin\Field\FieldFormatter

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
  $element = [];
  foreach ($items as $delta => $item) {
    if ($this
      ->valueIsUrl($item->guid)) {
      try {
        $url = Url::fromUri($item->guid);
        $element[$delta] = $this
          ->generateLink($url);
      } catch (InvalidArgumentException $e) {

        // Value is not an url, render as plain text instead.
        $element[$delta] = [
          '#plain_text' => $item->guid,
        ];
      }
    }
    elseif (strlen($item->guid)) {
      $element[$delta] = [
        '#plain_text' => $item->guid,
      ];
    }
  }
  return $element;
}