/**
  * Ajax callback for assign posts auto complete
  */
 public static function ajaxAssignPostsData($types)
 {
     $results = array();
     if (strlen($_GET['term']) > 0) {
         // Go directly to the database
         $sql = '
     SELECT ID, post_title FROM {sql:postTable}
     WHERE (ID = {postId} OR post_title LIKE {postTitle})
     AND post_type IN({sql:postTypes})
   ';
         global $wpdb;
         $posts = $wpdb->get_results(String::prepareSql($sql, array('postTable' => $wpdb->posts, 'postId' => intval($_GET['term']), 'postTitle' => '%' . $_GET['term'] . '%', 'postTypes' => '"' . implode('","', $types) . '"')));
         foreach ($posts as $post) {
             $results[] = array('id' => $post->ID, 'value' => $post->post_title, 'label' => $post->post_title);
         }
     }
     header('Content-Type: application/json');
     echo json_encode($results);
     exit;
 }