Orderby posts by typeof content

orderposts in search by sticky posts

<?php

class Search {
  public function __construct() {
    add_filter('posts_orderby', array($this, 'postsOrderBy'), 10, 2);
    $result = new PostQuery($args, Post::class);
    remove_filter('posts_orderby', array($this, 'postsOrderBy'));
  }

  public function postsOrderBy(string $orderBy, WP_Query $query): string
  {
    if (isset($query->query_vars['orderby']) && $query->query_vars['orderby'] === 'sticky') {
      /** @var array $stickyPosts */
      $stickyPosts = get_option('sticky_posts');
      $stickyPosts = array_map(static function ($id) {
        return (int) $id;
      }, $stickyPosts);

      if ($stickyPosts) {
        $orderBy = 'CASE WHEN wp_posts.ID IN (' . implode(',', $stickyPosts) . ') THEN 1 ELSE 2 END, wp_posts.post_date DESC';
      }
    }

    return $orderBy;
  }
}