wp_revisions_to_keep( WP_Post $post ): int

812function wp_revisions_to_keep( $post ) {813	$num = WP_POST_REVISIONS;814 815	if ( true === $num ) {816		$num = -1;817	} else {818		$num = (int) $num;819	}820 821	if ( ! post_type_supports( $post->post_type, 'revisions' ) ) {822		$num = 0;823	}824 825	/**826	 * Filters the number of revisions to save for the given post.827	 *828	 * Overrides the value of WP_POST_REVISIONS.829	 *830	 * @since 3.6.0831	 *832	 * @param int     $num  Number of revisions to store.833	 * @param WP_Post $post Post object.834	 */835	$num = apply_filters( 'wp_revisions_to_keep', $num, $post );836 837	/**838	 * Filters the number of revisions to save for the given post by its post type.839	 *840	 * Overrides both the value of WP_POST_REVISIONS and the {@see 'wp_revisions_to_keep'} filter.841	 *842	 * The dynamic portion of the hook name, `$post->post_type`, refers to843	 * the post type slug.844	 *845	 * Possible hook names include:846	 *847	 *  - `wp_post_revisions_to_keep`848	 *  - `wp_page_revisions_to_keep`849	 *850	 * @since 5.8.0851	 *852	 * @param int     $num  Number of revisions to store.853	 * @param WP_Post $post Post object.854	 */855	$num = apply_filters( "wp_{$post->post_type}_revisions_to_keep", $num, $post );856 857	return (int) $num;858}