function wp_unique_post_slug( $slug, $post_id, $post_status, $post_type, $post_parent ) {
  if ( in_array( $post_status, array( 'draft', 'pending', 'auto-draft' ), true )
    || ( 'inherit' === $post_status && 'revision' === $post_type ) || 'user_request' === $post_type
  ) {
    return $slug;
  }

  
/**
 * Filters the post slug before it is generated to be unique.
 *
 * Returning a non-null value will short-circuit the
 * unique slug generation, returning the passed value instead.
 *
 * @since 5.1.0
 *
 * @param string|null $override_slug Short-circuit return value.
 * @param string      $slug          The desired slug (post_name).
 * @param int         $post_id       Post ID.
 * @param string      $post_status   The post status.
 * @param string      $post_type     Post type.
 * @param int         $post_parent   Post parent ID.
 */
  $override_slug = apply_filters( 'pre_wp_unique_post_slug', null, $slug, $post_id, $post_status, $post_type, $post_parent );
  if ( null !== $override_slug ) {
    return $override_slug;
  }

  global $wpdb, $wp_rewrite;

  $original_slug = $slug;

  $feeds = $wp_rewrite->feeds;
  if ( ! is_array( $feeds ) ) {
    $feeds = array();
  }

  if ( 'attachment' === $post_type ) {
    // Attachment slugs must be unique across all types.
    $check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND ID != %d LIMIT 1";
    $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_id ) );

    
/**
 * Filters whether the post slug would make a bad attachment slug.
 *
 * @since 3.1.0
 *
 * @param bool   $bad_slug Whether the slug would be bad as an attachment slug.
 * @param string $slug     The post slug.
 */
    $is_bad_attachment_slug = apply_filters( 'wp_unique_post_slug_is_bad_attachment_slug', false, $slug );

    if ( $post_name_check
      || in_array( $slug, $feeds, true ) || 'embed' === $slug
      || $is_bad_attachment_slug
    ) {
      $suffix = 2;
      do {
        $alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
        $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_id ) );
        $suffix++;
      } while ( $post_name_check );
      $slug = $alt_post_name;
    }
  } elseif ( is_post_type_hierarchical( $post_type ) ) {
    if ( 'nav_menu_item' === $post_type ) {
      return $slug;
    }

    /*
		 * Page slugs must be unique within their own trees. Pages are in a separate
		 * namespace than posts so page slugs are allowed to overlap post slugs.
		 */
    $check_sql       = "SELECT post_name FROM $wpdb->posts WHERE post_name = %s AND post_type IN ( %s, 'attachment' ) AND ID != %d AND post_parent = %d LIMIT 1";
    $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $slug, $post_type, $post_id, $post_parent ) );

    
/**
 * Filters whether the post slug would make a bad hierarchical post slug.
 *
 * @since 3.1.0
 *
 * @param bool   $bad_slug    Whether the post slug would be bad in a hierarchical post context.
 * @param string $slug        The post slug.
 * @param string $post_type   Post type.
 * @param int    $post_parent Post parent ID.
 */
    $is_bad_hierarchical_slug = apply_filters( 'wp_unique_post_slug_is_bad_hierarchical_slug', false, $slug, $post_type, $post_parent );

    if ( $post_name_check
      || in_array( $slug, $feeds, true ) || 'embed' === $slug
      || preg_match( "@^($wp_rewrite->pagination_base)?\d+$@", $slug )
      || $is_bad_hierarchical_slug
    ) {
      $suffix = 2;
      do {
        $alt_post_name   = _truncate_post_slug( $slug, 200 - ( strlen( $suffix ) + 1 ) ) . "-$suffix";
        $post_name_check = $wpdb->get_var( $wpdb->prepare( $check_sql, $alt_post_name, $post_type, $post_id, $post_parent ) );
        $suffix++;