public function Tools::listCollections in MongoDB 8.2

List collections matching $regex in database $alias.

Parameters

string $alias: The alias in which to list the collections.

string $regex: The pattern collection names must match.

Return value

array An array of collection objects.

File

modules/mongodb/src/Install/Tools.php, line 107

Class

Tools

Class MongoDbCommands provides the Drush commands for the mongodb module.

Namespace

Drupal\mongodb\Install

Code

public function listCollections(string $alias, string $regex) : array {

  /** @var \MongoDB\Database $database */
  $database = $this->dbFactory
    ->get($alias);
  $collections = [];
  foreach ($database
    ->listCollections() as $info) {
    $name = $info
      ->getName();
    $collection = $database
      ->selectCollection($name);
    if (preg_match($regex, $name)) {
      $collections[] = $collection;
    }
  }
  return $collections;
}