WordPress Cross Reference

Functions that are not part of a class:

_wp_post_revision_fields( $post = null, $autosave = false ) X-Ref

Determines which fields of posts are to be saved in revisions.

Does two things. If passed a post *array*, it will return a post array ready
to be inserted into the posts table as a post revision. Otherwise, returns
an array whose keys are the post fields to be saved for post revisions.

param: array $post Optional a post array to be processed for insertion as a post revision.
param: bool $autosave optional Is the revision an autosave?
return: array Post array ready to be inserted as a post revision or array of fields that can be versioned.

wp_save_post_revision( $post_id ) X-Ref

Saves an already existing post as a post revision.

Typically used immediately after post updates.
Adds a copy of the current post as a revision, so latest revision always matches current post

param: int $post_id The ID of the post to save as a revision.
return: mixed Null or 0 if error, new revision ID, if success.

wp_get_post_autosave( $post_id, $user_id = 0 ) X-Ref

Retrieve the autosaved data of the specified post.

Returns a post object containing the information that was autosaved for the
specified post. If the optional $user_id is passed, returns the autosave for that user
otherwise returns the latest autosave.

param: int $post_id The post ID.
param: int $user_id optional The post author ID.
return: object|bool The autosaved data or false on failure or when no autosave exists.

wp_is_post_revision( $post ) X-Ref

Determines if the specified post is a revision.

param: int|object $post Post ID or post object.
return: bool|int False if not a revision, ID of revision's parent otherwise.

wp_is_post_autosave( $post ) X-Ref

Determines if the specified post is an autosave.

param: int|object $post Post ID or post object.
return: bool|int False if not a revision, ID of autosave's parent otherwise

_wp_put_post_revision( $post = null, $autosave = false ) X-Ref

Inserts post data into the posts table as a post revision.

param: int|object|array $post Post ID, post object OR post array.
param: bool $autosave Optional. Is the revision an autosave?
return: mixed Null or 0 if error, new revision ID if success.

wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') X-Ref

Gets a post revision.

param: int|object $post The post ID or object.
param: string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
param: string $filter Optional sanitation filter. @see sanitize_post().
return: mixed Null if error or post object if success.

wp_restore_post_revision( $revision_id, $fields = null ) X-Ref

Restores a post to the specified revision.

Can restore a past revision using all fields of the post revision, or only selected fields.

param: int|object $revision_id Revision ID or revision object.
param: array $fields Optional. What fields to restore from. Defaults to all.
return: mixed Null if error, false if no fields to restore, (int) post ID if success.

wp_delete_post_revision( $revision_id ) X-Ref

Deletes a revision.

Deletes the row from the posts table corresponding to the specified revision.

param: int|object $revision_id Revision ID or revision object.
return: mixed Null or WP_Error if error, deleted post if success.

wp_get_post_revisions( $post_id = 0, $args = null ) X-Ref

Returns all revisions of specified post.

param: int|object $post_id Post ID or post object
return: array An array of revisions, or an empty array if none.

wp_revisions_enabled( $post ) X-Ref

Determine if revisions are enabled for a given post.

param: object $post The post object.
return: bool True if number of revisions to keep isn't zero, false otherwise.

wp_revisions_to_keep( $post ) X-Ref

Determine how many revisions to retain for a given post.
By default, an infinite number of revisions are stored if a post type supports revisions.

param: object $post The post object.
return: int The number of revisions to keep.

_set_preview($post) X-Ref

Sets up the post object for preview based on the post autosave.

_show_post_preview() X-Ref

Filters the latest content for preview from the post autosave.

_wp_preview_terms_filter( $terms, $post_id, $taxonomy ) X-Ref

Filters terms lookup to set the post format.

_wp_get_post_revision_version( $revision ) X-Ref

Gets the post revision version.

_wp_upgrade_revisions_of_post( $post, $revisions ) X-Ref

Upgrade the revisions author, add the current post as a revision and set the revisions version to 1

param: object $post Post object
param: array $revisions Current revisions of the post
return: bool true if the revisions were upgraded, false if problems

File Size:	603 lines (17 kb)
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/wp-includes/ -> revision.php (summary)

Defines 17 functions