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Source View: page_css_class

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Understanding Source Code

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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
143            *
144            * @see wp_list_pages()
145            *
146            * @param string[] $css_class    An array of CSS classes to be applied to each list item.
147            * @param WP_Post  $page         Page data object.
148            * @param int      $depth        Depth of page, used for padding.
149            * @param array    $args         An array of arguments.
150            * @param int      $current_page ID of the current page.
151            */
152           $css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
153           $css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : '';
154
155           if ( '' === $page->post_title ) {
156                /* translators: %d: ID of a post. */
157                $page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
158           }
159
160           $args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
161           $args['link_after']  = empty( $args['link_after'] ) ? '' : $args['link_after'];