apply_filters( 'edit_posts_per_page', int $posts_per_page, string $post_type )

1292	 *1293	 * @since 2.8.01294	 *1295	 * @param int    $posts_per_page Number of posts to be displayed. Default 20.1296	 * @param string $post_type      The post type.1297	 */1298	$posts_per_page = apply_filters( 'edit_posts_per_page', $posts_per_page, $post_type );1299 1300	$query = compact( 'post_type', 'post_status', 'perm', 'order', 'orderby', 'posts_per_page' );1301 1302	// Hierarchical types require special args.1303	if ( is_post_type_hierarchical( $post_type ) && empty( $orderby ) ) {1304		$query['orderby']                = 'menu_order title';