post_parent !== $post->ID ) return false; if ( $compare_to->post_parent !== $post->ID ) return false; if ( $compare_from && strtotime( $compare_from->post_date_gmt ) > strtotime( $compare_to->post_date_gmt ) ) { $temp = $compare_from; $compare_from = $compare_to; $compare_to = $temp; } // Add default title if title field is empty if ( $compare_from && empty( $compare_from->post_title ) ) $compare_from->post_title = __( '(no title)' ); if ( empty( $compare_to->post_title ) ) $compare_to->post_title = __( '(no title)' ); $return = array(); foreach ( _wp_post_revision_fields() as $field => $name ) { $content_from = $compare_from ? apply_filters( "_wp_post_revision_field_$field", $compare_from->$field, $field, $compare_from, 'left' ) : ''; $content_to = apply_filters( "_wp_post_revision_field_$field", $compare_to->$field, $field, $compare_to, 'right' ); $diff = wp_text_diff( $content_from, $content_to, array( 'show_split_view' => true ) ); if ( ! $diff && 'post_title' === $field ) { // It's a better user experience to still show the Title, even if it didn't change. // No, you didn't see this. $diff = ''; $diff .= ''; $diff .= ''; $diff .= '

' . esc_html( $compare_from->post_title ) . '

' . esc_html( $compare_to->post_title ) . '

'; } if ( $diff ) { $return[] = array( 'id' => $field, 'name' => $name, 'diff' => $diff, ); } } return $return; } function wp_prepare_revisions_for_js( $post, $selected_revision_id ) { $post = get_post( $post ); $revisions = array(); $current = current_time( 'timestamp' ); $revisions = wp_get_post_revisions( $post->ID ); cache_users( wp_list_pluck( $revisions, 'post_author' ) ); foreach ( $revisions as $revision ) { $modified_gmt = strtotime( $revision->post_modified_gmt ); $restore_link = wp_nonce_url( add_query_arg( array( 'revision' => $revision->ID, 'action' => 'restore' ), admin_url( 'revision.php' ) ), "restore-post_{$revision->ID}" ); $revisions[ $revision->ID ] = array( 'id' => $revision->ID, 'title' => get_the_title( $post->ID ), 'author' => array( 'id' => (int) $revision->post_author, 'avatar' => get_avatar( $revision->post_author, 24 ), 'name' => get_the_author_meta( 'display_name', $revision->post_author ), ), 'date' => date_i18n( __( 'M j, Y @ G:i' ), $modified_gmt ), 'dateShort' => date_i18n( _x( 'j M @ G:i', 'revision date short format' ), $modified_gmt ), 'dateUnix' => $modified_gmt, 'timeAgo' => sprintf( __( '%s ago' ), human_time_diff( $modified_gmt, $current ) ), 'autosave' => wp_is_post_autosave( $revision ), 'current' => $revision->post_modified_gmt === $post->post_modified_gmt, 'restoreUrl' => urldecode( $restore_link ), ); } return array( 'postId' => $post->ID, 'nonce' => wp_create_nonce( 'revisions-ajax-nonce' ), 'revisionData' => array_values( $revisions ), 'selectedRevision' => $selected_revision_id, ); }