* @since 2.6.0
* @access private
*
- * @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?
+ * @staticvar array $fields
+ *
+ * @param array|null $post Optional. A post array to be processed for insertion as a post revision. Default null.
+ * @param bool $autosave Optional. Is the revision an autosave? Default false.
* @return array Post array ready to be inserted as a post revision or array of fields that can be versioned.
*/
function _wp_post_revision_fields( $post = null, $autosave = false ) {
- static $fields = false;
+ static $fields = null;
- if ( !$fields ) {
+ if ( is_null( $fields ) ) {
// Allow these to be versioned
$fields = array(
'post_title' => __( 'Title' ),
*
* @since 2.6.0
*
- * @param int $post_id The ID of the post to save as a revision.
- * @return null|int Null or 0 if error, new revision ID, if success.
+ * @param int $post_id The ID of the post to save as a revision.
+ * @return int|WP_Error|void Void or 0 if error, new revision ID, if success.
*/
function wp_save_post_revision( $post_id ) {
if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE )
$post_has_changed = (bool) apply_filters( 'wp_save_post_revision_post_has_changed', $post_has_changed, $last_revision, $post );
//don't save revision if post unchanged
- if( ! $post_has_changed ) {
+ if ( ! $post_has_changed ) {
return;
}
}
* @since 2.6.0
*
* @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.
+ * @param int $user_id Optional The post author ID.
+ * @return WP_Post|false The autosaved data or false on failure or when no autosave exists.
*/
function wp_get_post_autosave( $post_id, $user_id = 0 ) {
$revisions = wp_get_post_revisions( $post_id, array( 'check_enabled' => false ) );
*
* @since 2.6.0
*
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of revision's parent otherwise.
+ * @param int|WP_Post $post Post ID or post object.
+ * @return false|int False if not a revision, ID of revision's parent otherwise.
*/
function wp_is_post_revision( $post ) {
if ( !$post = wp_get_post_revision( $post ) )
*
* @since 2.6.0
*
- * @param int|object $post Post ID or post object.
- * @return bool|int False if not a revision, ID of autosave's parent otherwise
+ * @param int|WP_Post $post Post ID or post object.
+ * @return false|int False if not a revision, ID of autosave's parent otherwise
*/
function wp_is_post_autosave( $post ) {
if ( !$post = wp_get_post_revision( $post ) )
* @since 2.6.0
* @access private
*
- * @param int|object|array $post Post ID, post object OR post array.
- * @param bool $autosave Optional. Is the revision an autosave?
- * @return mixed WP_Error or 0 if error, new revision ID if success.
+ * @param int|WP_Post|array|null $post Post ID, post object OR post array.
+ * @param bool $autosave Optional. Is the revision an autosave?
+ * @return int|WP_Error WP_Error or 0 if error, new revision ID if success.
*/
function _wp_put_post_revision( $post = null, $autosave = false ) {
if ( is_object($post) )
$post = get_post($post, ARRAY_A);
if ( ! $post || empty($post['ID']) )
- return new WP_Error( 'invalid_post', __( 'Invalid post ID' ) );
+ return new WP_Error( 'invalid_post', __( 'Invalid post ID.' ) );
if ( isset($post['post_type']) && 'revision' == $post['post_type'] )
return new WP_Error( 'post_type', __( 'Cannot create a revision of a revision' ) );
*
* @since 2.6.0
*
- * @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.
+ * @param int|WP_Post $post The post ID or object.
+ * @param string $output Optional. OBJECT, ARRAY_A, or ARRAY_N.
+ * @param string $filter Optional sanitation filter. @see sanitize_post().
+ * @return WP_Post|array|null Null if error or post object if success.
*/
function wp_get_post_revision(&$post, $output = OBJECT, $filter = 'raw') {
if ( !$revision = get_post( $post, OBJECT, $filter ) )
*
* @since 2.6.0
*
- * @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.
+ * @param int|WP_Post $revision_id Revision ID or revision object.
+ * @param array $fields Optional. What fields to restore from. Defaults to all.
+ * @return int|false|null Null if error, false if no fields to restore, (int) post ID if success.
*/
function wp_restore_post_revision( $revision_id, $fields = null ) {
if ( !$revision = wp_get_post_revision( $revision_id, ARRAY_A ) )
$fields = array_keys( _wp_post_revision_fields() );
$update = array();
- foreach( array_intersect( array_keys( $revision ), $fields ) as $field ) {
+ foreach ( array_intersect( array_keys( $revision ), $fields ) as $field ) {
$update[$field] = $revision[$field];
}
*
* @since 2.6.0
*
- * @param int|object $revision_id Revision ID or revision object.
- * @return mixed Null or WP_Error if error, deleted post if success.
+ * @param int|WP_Post $revision_id Revision ID or revision object.
+ * @return array|false|WP_Post|WP_Error|null Null or WP_Error if error, deleted post if success.
*/
function wp_delete_post_revision( $revision_id ) {
- if ( !$revision = wp_get_post_revision( $revision_id ) )
+ if ( ! $revision = wp_get_post_revision( $revision_id ) ) {
return $revision;
+ }
$delete = wp_delete_post( $revision->ID );
- if ( is_wp_error( $delete ) )
- return $delete;
-
if ( $delete ) {
/**
* Fires once a post revision has been deleted.
* @return bool True if number of revisions to keep isn't zero, false otherwise.
*/
function wp_revisions_enabled( $post ) {
- return wp_revisions_to_keep( $post ) != 0;
+ return wp_revisions_to_keep( $post ) !== 0;
}
/**
*
* @since 2.7.0
* @access private
+ *
+ * @param WP_Post $post
+ * @return WP_Post|false
*/
-function _set_preview($post) {
-
- if ( ! is_object($post) )
+function _set_preview( $post ) {
+ if ( ! is_object( $post ) ) {
return $post;
+ }
- $preview = wp_get_post_autosave($post->ID);
-
- if ( ! is_object($preview) )
+ $preview = wp_get_post_autosave( $post->ID );
+ if ( ! is_object( $preview ) ) {
return $post;
+ }
- $preview = sanitize_post($preview);
+ $preview = sanitize_post( $preview );
$post->post_content = $preview->post_content;
$post->post_title = $preview->post_title;
* @access private
*/
function _show_post_preview() {
-
if ( isset($_GET['preview_id']) && isset($_GET['preview_nonce']) ) {
$id = (int) $_GET['preview_id'];
- if ( false == wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
+ if ( false === wp_verify_nonce( $_GET['preview_nonce'], 'post_preview_' . $id ) )
wp_die( __('You do not have permission to preview drafts.') );
add_filter('the_preview', '_set_preview');
*
* @since 3.6.0
* @access private
+ *
+ * @param array $terms
+ * @param int $post_id
+ * @param string $taxonomy
+ * @return array
*/
function _wp_preview_terms_filter( $terms, $post_id, $taxonomy ) {
if ( ! $post = get_post() )
*
* @since 3.6.0
* @access private
-*/
+ *
+ * @param WP_Post $revision
+ * @return int|false
+ */
function _wp_get_post_revision_version( $revision ) {
if ( is_object( $revision ) )
$revision = get_object_vars( $revision );
* @since 3.6.0
* @access private
*
- * @param WP_Post $post Post object
- * @param array $revisions Current revisions of the post
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param WP_Post $post Post object
+ * @param array $revisions Current revisions of the post
* @return bool true if the revisions were upgraded, false if problems
*/
function _wp_upgrade_revisions_of_post( $post, $revisions ) {