Source
File: wp-includes/widgets/class-wp-widget-pages.php
public function widget( $args, $instance ) {
$default_title = __( 'Pages' );
$title = ! empty( $instance['title'] ) ? $instance['title'] : $default_title;
/**
* Filters the widget title.
*
* @since 2.6.0
*
* @param string $title The widget title. Default 'Pages'.
* @param array $instance Array of settings for the current widget.
* @param mixed $id_base The widget ID.
*/
$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
$sortby = empty( $instance['sortby'] ) ? 'menu_order' : $instance['sortby'];
$exclude = empty( $instance['exclude'] ) ? '' : $instance['exclude'];
if ( 'menu_order' === $sortby ) {
$sortby = 'menu_order, post_title';
}
$out = wp_list_pages(
/**
* Filters the arguments for the Pages widget.
*
* @since 2.8.0
* @since 4.9.0 Added the `$instance` parameter.
*
* @see wp_list_pages()
*
* @param array $args An array of arguments to retrieve the pages list.
* @param array $instance Array of settings for the current widget.
*/
apply_filters(
'widget_pages_args',
array(
'title_li' => '',
'echo' => 0,
'sort_column' => $sortby,
'exclude' => $exclude,
),
$instance
)
);
if ( ! empty( $out ) ) {
echo $args['before_widget'];
if ( $title ) {
echo $args['before_title'] . $title . $args['after_title'];
}
$format = current_theme_supports( 'html5', 'navigation-widgets' ) ? 'html5' : 'xhtml';
/** This filter is documented in wp-includes/widgets/class-wp-nav-menu-widget.php */
$format = apply_filters( 'navigation_widgets_format', $format );
if ( 'html5' === $format ) {
// The title may be filtered: Strip out HTML and make sure the aria-label is never empty.
$title = trim( strip_tags( $title ) );
$aria_label = $title ? $title : $default_title;
echo '<nav role="navigation" aria-label="' . esc_attr( $aria_label ) . '">';
}
?>
<ul>
<?php echo $out; ?>
</ul>
<?php
if ( 'html5' === $format ) {
echo '</nav>';
}
echo $args['after_widget'];
}
}