page item in the list.
*
* @since 2.8.0
*
* @see wp_list_pages()
*
* @param string[] $css_class An array of CSS classes to be applied to each list item.
* @param WP_Post $page Page data object.
* @param int $depth Depth of page, used for padding.
* @param array $args An array of arguments.
* @param int $current_page_id ID of the current page.
*/
$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page_id ) );
$css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : '';
if ( '' === $page->post_title ) {
/* translators: %d: ID of a post. */
$page->post_title = sprintf( __( '#%d (no title)' ), $page->ID );
}
$args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
$args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after'];
$atts = array();
$atts['href'] = get_permalink( $page->ID );
$atts['aria-current'] = ( $page->ID === (int) $current_page_id ) ? 'page' : '';
/**
* Filters the HTML attributes applied to a page menu item's anchor element.
*
* @since 4.8.0
*
* @param array $atts {
* The HTML attributes applied to the menu item's `` element, empty strings are ignored.
*
* @type string $href The href attribute.
* @type string $aria-current The aria-current attribute.
* }
* @param WP_Post $page Page data object.
* @param int $depth Depth of page, used for padding.
* @param array $args An array of arguments.
* @param int $current_page_id ID of the current page.
*/
$atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page_id );
$attributes = '';
foreach ( $atts as $attr => $value ) {
if ( is_scalar( $value ) && '' !== $value && false !== $value ) {
$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value );
$attributes .= ' ' . $attr . '="' . $value . '"';
}
}
$output .= $indent . sprintf(
'