\n";
}
/**
* Outputs the beginning of the current element in the tree.
*
* @see Walker::start_el()
*
* @param string $output Used to append additional content. Passed by reference.
* @param WP_Post $page Page data object.
* @param int $depth Optional. Depth of page. Used for padding. Default 0.
* @param array $args Optional. Array of arguments. Default empty array.
* @param int $current_page Optional. Page ID. Default 0.
*/
public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) {
if ( $depth ) {
$indent = str_repeat( "\t", $depth );
} else {
$indent = '';
}
$css_class = array( 'page_item', 'page-item-' . $page->ID );
if ( isset( $args['pages_with_children'][ $page->ID ] ) ) {
$css_class[] = 'page_item_has_children';
}
if ( ! empty( $current_page ) ) {
$_current_page = get_post( $current_page );
if ( in_array( $page->ID, $_current_page->ancestors, true ) ) {
$css_class[] = 'current_page_ancestor';
}
if ( $page->ID === $current_page ) {
$css_class[] = 'current_page_item';
$css_class[] = 'active';
} elseif ( $_current_page && $page->ID === $_current_page->post_parent ) {
$css_class[] = 'current_page_parent';
}
} elseif ( get_option( 'page_for_posts' ) === $page->ID ) {
$css_class[] = 'current_page_parent';
}
$css_class[] = 'list-group-item';
$css_class[] = 'list-group-item-action';
$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) );
if ( '' === $page->post_title ) {
$page->post_title = sprintf(
/* translators: %d: page ID. */
__( '#%d (no title)', 'bs4' ),
$page->ID
);
}
$args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before'];
$args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after'];
/** This filter is documented in wp-includes/post-template.php */
if ( isset( $args['pages_with_children'][ $page->ID ] ) ) {
$output .= $indent . sprintf(
'%s%s%s',
$css_classes,
get_permalink( $page->ID ),
$args['link_before'],
apply_filters( 'the_title', $page->post_title, $page->ID ),
$args['link_after']
);
} else {
$output .= $indent . sprintf(
'%s%s%s',
$css_classes,
get_permalink( $page->ID ),
$args['link_before'],
apply_filters( 'the_title', $page->post_title, $page->ID ),
$args['link_after']
);
}
if ( ! empty( $args['show_date'] ) ) {
if ( 'modified' === $args['show_date'] ) {
$time = $page->post_modified;
} else {
$time = $page->post_date;
}
$date_format = empty( $args['date_format'] ) ? '' : $args['date_format'];
$output .= ' ' . mysql2date( $date_format, $time );
}
}
}