public function NodeRevisionDelete::getCandidatesRevisionsByNumber in Node Revision Delete 8

Return a number of candidate revisions to be deleted.

Parameters

int $number: The number of revisions to return.

Return value

array Array of vids.

Overrides NodeRevisionDeleteInterface::getCandidatesRevisionsByNumber

File

src/NodeRevisionDelete.php, line 289

Class

NodeRevisionDelete

Class NodeRevisionDelete.

Namespace

Drupal\node_revision_delete

Code

public function getCandidatesRevisionsByNumber($number) {
  if (!is_int($number) && $number < 0) {
    throw new \InvalidArgumentException("\$number parameter must be a positive integer");
  }

  // Looking for all the configured content types.
  $content_types = $this
    ->getConfiguredContentTypes();
  $revisions = [];
  foreach ($content_types as $content_type) {

    // Getting the revisions.
    $revisions = array_merge($revisions, $this
      ->getCandidatesRevisions($content_type
      ->id(), $number));

    // Getting the number of revision we will delete.
    if ($number < count($revisions)) {
      $revisions = array_slice($revisions, 0, $number, TRUE);
      break;
    }
  }
  return $revisions;
}