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See Release Notes
Long Term Support Release

  • Bug fixes for general core bugs in 4.1.x will end 13 November 2023 (12 months).
  • Bug fixes for security issues in 4.1.x will end 10 November 2025 (36 months).
  • PHP version: minimum PHP 7.4.0 Note: minimum PHP version has increased since Moodle 4.0. PHP 8.0.x is supported too.

Differences Between: [Versions 311 and 401] [Versions 400 and 401]

   1  <?php
   2  /*
   3   * Copyright 2020-present MongoDB, Inc.
   4   *
   5   * Licensed under the Apache License, Version 2.0 (the "License");
   6   * you may not use this file except in compliance with the License.
   7   * You may obtain a copy of the License at
   8   *
   9   *   https://www.apache.org/licenses/LICENSE-2.0
  10   *
  11   * Unless required by applicable law or agreed to in writing, software
  12   * distributed under the License is distributed on an "AS IS" BASIS,
  13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14   * See the License for the specific language governing permissions and
  15   * limitations under the License.
  16   */
  17  
  18  namespace MongoDB\Operation;
  19  
  20  use Iterator;
  21  use MongoDB\Command\ListCollections as ListCollectionsCommand;
  22  use MongoDB\Driver\Exception\RuntimeException as DriverRuntimeException;
  23  use MongoDB\Driver\Server;
  24  use MongoDB\Exception\InvalidArgumentException;
  25  use MongoDB\Model\CallbackIterator;
  26  
  27  /**
  28   * Operation for the listCollectionNames helper.
  29   *
  30   * @api
  31   * @see \MongoDB\Database::listCollectionNames()
  32   * @see https://mongodb.com/docs/manual/reference/command/listCollections/
  33   */
  34  class ListCollectionNames implements Executable
  35  {
  36      /** @var ListCollectionsCommand */
  37      private $listCollections;
  38  
  39      /**
  40       * Constructs a listCollections command.
  41       *
  42       * Supported options:
  43       *
  44       *  * authorizedCollections (boolean): Determines which collections are
  45       *    returned based on the user privileges.
  46       *
  47       *    For servers < 4.0, this option is ignored.
  48       *
  49       *  * comment (mixed): BSON value to attach as a comment to this command.
  50       *
  51       *    This is not supported for servers versions < 4.4.
  52       *
  53       *  * filter (document): Query by which to filter collections.
  54       *
  55       *  * maxTimeMS (integer): The maximum amount of time to allow the query to
  56       *    run.
  57       *
  58       *  * session (MongoDB\Driver\Session): Client session.
  59       *
  60       * @param string $databaseName Database name
  61       * @param array  $options      Command options
  62       * @throws InvalidArgumentException for parameter/option parsing errors
  63       */
  64      public function __construct(string $databaseName, array $options = [])
  65      {
  66          $this->listCollections = new ListCollectionsCommand($databaseName, ['nameOnly' => true] + $options);
  67      }
  68  
  69      /**
  70       * Execute the operation.
  71       *
  72       * @see Executable::execute()
  73       * @return Iterator
  74       * @throws DriverRuntimeException for other driver errors (e.g. connection errors)
  75       */
  76      public function execute(Server $server): Iterator
  77      {
  78          return new CallbackIterator(
  79              $this->listCollections->execute($server),
  80              function (array $collectionInfo) {
  81                  return $collectionInfo['name'];
  82              }
  83          );
  84      }
  85  }