protected function CslReferenceNormalizer::extractDate in Bibliography & Citation 8

Same name and namespace in other branches

1. 2.0.x modules/bibcite_entity/src/Normalizer/CslReferenceNormalizer.php \Drupal\bibcite_entity\Normalizer\CslReferenceNormalizer::extractDate()

Extract date value to CSL format.

Parameters

\Drupal\Core\Field\FieldItemListInterface $date_field: Date item list.

Return value

array Date in CSL format.

1 call to CslReferenceNormalizer::extractDate()

CslReferenceNormalizer::extractFields in modules/bibcite_entity/src/Normalizer/CslReferenceNormalizer.php

Extract fields values from reference entity.

File

modules/bibcite_entity/src/Normalizer/CslReferenceNormalizer.php, line 147

Class

CslReferenceNormalizer

Normalizes/denormalizes reference entity to CSL format.

Namespace

Drupal\bibcite_entity\Normalizer

Code

protected function extractDate(FieldItemListInterface $date_field) {
  $value = $this
    ->extractScalar($date_field);
  return [
    'date-parts' => [
      [
        $value,
      ],
    ],
    'literal' => $value,
  ];
}