ray();

		// Get object_id from each subarray in $post_ids.
		$post_ids = ( is_array( $post_ids ) ) ? array_column( $post_ids, 'object_id' ) : [];

		/*
		 * If Premium is installed, get the additional keywords as well.
		 * We only check for the additional keywords if we've not already found two.
		 * In that case there's no use for an additional query as we already know
		 * that the keyword has been used multiple times before.
		 */
		if ( count( $post_ids ) < 2 ) {
			/**
			 * Allows enhancing the array of posts' that share their focus keywords with the post's focus keywords.
			 *
			 * @param array  $post_ids The array of posts' ids that share their related keywords with the post.
			 * @param string $keyword  The keyword to search for.
			 * @param int    $post_id  The id of the post the keyword is associated to.
			 */
			$post_ids = apply_filters( 'wpseo_posts_for_focus_keyword', $post_ids, $keyword, $post_id );
		}

		return $post_ids;
	}

	/**
	 * Returns the post types for the given post ids.
	 *
	 * @param array $post_ids The post ids to get the post types for.
	 *
	 * @return array The post types.
	 */
	public static function post_types_for_ids( $post_ids ) {

		/**
		 * The indexable repository.
		 *
		 * @var Indexable_Repository
		 */
		$repository = YoastSEO()->classes->get( Indexable_Repository::class );

		// Check if post ids is not empty.
		if ( ! empty( $post_ids ) ) {
			// Get the post subtypes for the posts that share the keyword.
			$post_types = $repository->query()
				->select( 'object_sub_type' )
				->where_in( 'object_id', $post_ids )
				->find_array();

			// Get object_sub_type from each subarray in $post_ids.
			$post_types = array_column( $post_types, 'object_sub_type' );
		}
		else {
			$post_types = [];
		}

		return $post_types;
	}

	/**
	 * Filter the schema article types.
	 *
	 * @return void
	 */
	public static function filter_schema_article_types() {
		/** This filter is documented in inc/options/class-wpseo-option-titles.php */
		self::$meta_fields['schema']['schema_article_type']['options'] = apply_filters( 'wpseo_schema_article_types', self::$meta_fields['schema']['schema_article_type']['options'] );
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WPSEO_Meta' not found in /home/deltakeprico/public_html/wp-content/plugins/wordpress-seo/wp-seo-main.php:340
Stack trace:
#0 /home/deltakeprico/public_html/wp-includes/class-wp-hook.php(324): wpseo_init('')
#1 /home/deltakeprico/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#2 /home/deltakeprico/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#3 /home/deltakeprico/public_html/wp-settings.php(559): do_action('plugins_loaded')
#4 /home/deltakeprico/public_html/wp-config.php(90): require_once('/home/deltakepr...')
#5 /home/deltakeprico/public_html/wp-load.php(50): require_once('/home/deltakepr...')
#6 /home/deltakeprico/public_html/wp-blog-header.php(13): require_once('/home/deltakepr...')
#7 /home/deltakeprico/public_html/index.php(17): require('/home/deltakepr...')
#8 {main}
  thrown in <b>/home/deltakeprico/public_html/wp-content/plugins/wordpress-seo/wp-seo-main.php</b> on line <b>340</b><br />