# wp_save_post_revision()

URL: https://chugunov.pro/api-wordpress/functions/wp_save_post_revision/
Проверено на WordPress 6.9, обновлено 06.08.2026.
Источник: независимый русскоязычный справочник chugunov.pro. Не является официальной документацией WordPress.

Тип: функция.
Появился в версии: 2.6.0.

## Сигнатура

```php
wp_save_post_revision( int $post_id ): int|WP_Error|void
```

## Описание

Обычно вызывается сразу после обновления записи, поскольку каждое обновление является редакцией, а самая последняя редакция всегда совпадает с текущей записью.

## Параметры

- `$post_id` `int` — обязательный. Идентификатор записи, которую нужно сохранить как редакцию.

## Возвращаемое значение

`int|WP_Error|void`

## Исходный код

Файл: `wp-includes/revision.php:130`

```php
function wp_save_post_revision( $post_id ) {
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return;
	}

	// Prevent saving post revisions if revisions should be saved on wp_after_insert_post.
	if ( doing_action( 'post_updated' ) && has_action( 'wp_after_insert_post', 'wp_save_post_revision_on_insert' ) ) {
		return;
	}

	$post = get_post( $post_id );

	if ( ! $post ) {
		return;
	}

	if ( ! post_type_supports( $post->post_type, 'revisions' ) ) {
		return;
	}

	if ( 'auto-draft' === $post->post_status ) {
		return;
	}

	if ( ! wp_revisions_enabled( $post ) ) {
		return;
	}

	/*
	 * Compare the proposed update with the last stored revision verifying that
	 * they are different, unless a plugin tells us to always save regardless.
	 * If no previous revisions, save one.
	 */
	$revisions = wp_get_post_revisions( $post_id );
	if ( $revisions ) {
		// Grab the latest revision, but not an autosave.
		foreach ( $revisions as $revision ) {
			if ( str_contains( $revision->post_name, "{$revision->post_parent}-revision" ) ) {
				$latest_revision = $revision;
				break;
			}
		}

		/**
		 * Filters whether the post has changed since the latest revision.
		 *
		 * By default a revision is saved only if one of the revisioned fields has changed.
		 * This filter can override that so a revision is saved even if nothing has changed.
		 *
		 * @since 3.6.0
		 *
		 * @param bool    $check_for_changes Whether to check for changes before saving a new revision.
		 *                                   Default true.
		 * @param WP_Post $latest_revision   The latest revision post object.
		 * @param WP_Post $post              The post object.
		 */
		if ( isset( $latest_revision ) && apply_filters( 'wp_save_post_revision_check_for_changes', true, $latest_revision, $post ) ) {
			$post_has_changed = false;

			foreach ( array_keys( _wp_post_revision_fields( $post ) ) as $field ) {
				if ( normalize_whitespace( maybe_serialize( $post->$field ) ) !== normalize_whitespace( maybe_serialize( $latest_revision->$field ) ) ) {
					$post_has_changed = true;
					break;
				}
			}

			/**
			 * Filters whether a post has changed.
			 *
			 * By default a revision is saved only if one of the revisioned fields has changed.
			 * This filter allows for additional checks to determine if there were changes.
			 *
			 * @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;
			}
		}
	}

	$return = _wp_put_post_revision( $post );

	/*
	 * If a limit for the number of revisions to keep has been set,
	 * delete the oldest ones.
	 */
	$revisions_to_keep = wp_revisions_to_keep( $post );

	if ( $revisions_to_keep < 0 ) {
		return $return;
	}

	$revisions = wp_get_post_revisions( $post_id, array( 'order' => 'ASC' ) );

	/**
	 * Filters the revisions to be considered for deletion.
	 *
	 * @since 6.2.0
	 *
	 * @param WP_Post[] $revisions Array of revisions, or an empty array if none.
	 * @param int       $post_id   The ID of the post to save as a revision.
	 */
	$revisions = apply_filters(
		'wp_save_post_revision_revisions_before_deletion',
		$revisions,
		$post_id
	);

	$delete = count( $revisions ) - $revisions_to_keep;

	if ( $delete < 1 ) {
		return $return;
	}

	$revisions = array_slice( $revisions, 0, $delete );

	for ( $i = 0; isset( $revisions[ $i ] ); $i++ ) {
		if ( str_contains( $revisions[ $i ]->post_name, 'autosave' ) ) {
			continue;
		}

		wp_delete_post_revision( $revisions[ $i ]->ID );
	}

	return $return;
}
```

## История изменений

- 2.6.0 — Introduced.

## Связанные

Использует: [`normalize_whitespace`](https://chugunov.pro/api-wordpress/functions/normalize_whitespace/), [`maybe_serialize`](https://chugunov.pro/api-wordpress/functions/maybe_serialize/), [`has_action`](https://chugunov.pro/api-wordpress/functions/has_action/), [`doing_action`](https://chugunov.pro/api-wordpress/functions/doing_action/), [`post_type_supports`](https://chugunov.pro/api-wordpress/functions/post_type_supports/), [`wp_revisions_enabled`](https://chugunov.pro/api-wordpress/functions/wp_revisions_enabled/), [`wp_get_post_revisions`](https://chugunov.pro/api-wordpress/functions/wp_get_post_revisions/), [`_wp_put_post_revision`](https://chugunov.pro/api-wordpress/functions/_wp_put_post_revision/), [`wp_revisions_to_keep`](https://chugunov.pro/api-wordpress/functions/wp_revisions_to_keep/), [`wp_delete_post_revision`](https://chugunov.pro/api-wordpress/functions/wp_delete_post_revision/), [`_wp_post_revision_fields`](https://chugunov.pro/api-wordpress/functions/_wp_post_revision_fields/), [`apply_filters`](https://chugunov.pro/api-wordpress/functions/apply_filters/), [`get_post`](https://chugunov.pro/api-wordpress/functions/get_post/).
Используется в: [`wp_save_post_revision_on_insert`](https://chugunov.pro/api-wordpress/functions/wp_save_post_revision_on_insert/), [`wp_update_custom_css_post`](https://chugunov.pro/api-wordpress/functions/wp_update_custom_css_post/), [`_wp_upgrade_revisions_of_post`](https://chugunov.pro/api-wordpress/functions/_wp_upgrade_revisions_of_post/).

Оригинал в официальной документации: https://developer.wordpress.org/reference/functions/wp_save_post_revision/