Menu Adam R Brown

WP hooks navigation: Home/browseActions indexFilters index

Source View: _wp_post_revision_fields

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

Line Code
4670      if ( !$fields ) {
4671           // Allow these to be versioned
4672           $fields = array(
4673                'post_title' => __( 'Title' ),
4674                'post_content' => __( 'Content' ),
4675                'post_excerpt' => __( 'Excerpt' ),
4676           );
4677
4678           // Runs only once
4679           $fields = apply_filters( '_wp_post_revision_fields', $fields );
4680
4681           // WP uses these internally either in versioning or elsewhere - they cannot be versioned
4682           foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
4683                unset( $fields[$protect] );
4684      }
4685
4686      if ( !is_array($post) )
4687           return $fields;
4688