Filters whether a post has changed.
$post_has_changedbool$latest_revisionWP_Post$postWP_Postwp-includes/revision.php:208wp_save_post_revision() * @since 4.1.0 * * @param bool $post_has_changed Whether the post has changed. * @param WP_Post $latest_revision The latest revision post object. * @param WP_Post $post The post object. */ $post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $latest_revision, $post ); // Don't save revision if post unchanged. if ( ! $post_has_changed ) { return null; } }Introduced in 4.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.