entity_query_examples.php

<?php

  public function go() {
    // Documentation: https://api.drupal.org/api/drupal/core%21lib%21Drupal%21Core%21Entity%21Query%21QueryInterface.php/interface/QueryInterface/8.9.x

    // Example 1
    $query = \Drupal::entityQuery('node')
      ->condition('type', 'blog')
      ->condition('field_blog_type', '0')  // 0=Tutorial, 1=News item
      ->range(0, 10)
      //->sort('created', 'DESC')
      ->sort('vid', 'DESC');

    // Cast the query as a string.
    $this->logger()->notice($query->__toString());

    $results = $query->execute();

    // Example 2
//    $results = \Drupal::entityQuery('node')
//      ->condition('type', 'audio')
//      //->condition('main_topic.entity:taxonomy_term.name', 'DrupalEasy Podcast')
//      ->condition('uid.entity:user.name', 'ryanprice')
//      ->execute();

    // Example 3
//    $query = \Drupal::entityQuery('node');
//    $group = $query
//      ->orConditionGroup()
//      ->condition('created', '1262304000', '<') // Jan 1, 2010
//      ->condition('created', '1577836800', '>');    // Jan 1, 2020
//    $results = $query->condition($group)
//      ->condition('type', 'audio')
//      ->execute();

    return $this->outputTable($results);
  }

  public function outputTable(array $results, $options = ['format' => 'table']) {
    foreach ($results as $key => $nid) {
      $node = \Drupal::entityTypeManager()->getStorage('node')->load($nid);
      $rows[] = [
        'Node ID' => $nid,
        'Title' => $node->getTitle(),
      ];
    }
    return new RowsOfFields($rows);
  }