public function HeadingFormatter::viewElements in Heading field 8
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/ HeadingFormatter.php, line 34
Class
- HeadingFormatter
- Plugin implementation of the 'heading' formatter.
Namespace
Drupal\heading\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) {
$element = [];
foreach ($items as $delta => $item) {
// Do not print empty headings.
if (empty($item->text)) {
continue;
}
$element[$delta] = [
'#theme' => 'heading',
'#size' => $item->size,
'#text' => $item->text,
];
}
return $element;
}