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Source View: _wp_post_revision_fields

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Source View

Line Code
3422      if ( !$fields ) {
3423           // Allow these to be versioned
3424           $fields = array(
3425                'post_title' => __( 'Title' ),
3426                'post_content' => __( 'Content' ),
3427                'post_excerpt' => __( 'Excerpt' ),
3428           );
3429
3430           // Runs only once
3431           $fields = apply_filters( '_wp_post_revision_fields', $fields );
3432
3433           // WP uses these internally either in versioning or elsewhere - they cannot be versioned
3434           foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect )
3435                unset( $fields[$protect] );
3436      }
3437
3438      if ( !is_array($post) )
3439           return $fields;
3440