function BasicStringFormatter::viewElements
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
- 
              core/lib/ Drupal/ Core/ Field/ Plugin/ Field/ FieldFormatter/ BasicStringFormatter.php, line 26 
Class
- BasicStringFormatter
- Plugin implementation of the 'basic_string' formatter.
Namespace
Drupal\Core\Field\Plugin\Field\FieldFormatterCode
public function viewElements(FieldItemListInterface $items, $langcode) {
  $elements = [];
  foreach ($items as $delta => $item) {
    // The text value has no text format assigned to it, so the user input
    // should equal the output, including newlines.
    $elements[$delta] = [
      '#type' => 'inline_template',
      '#template' => '{{ value|nl2br }}',
      '#context' => [
        'value' => $item->value,
      ],
    ];
  }
  return $elements;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
