Walker_Page::start_el( string $output, WP_Post $page, int $depth, array $args = array(), int $current_page )
Outputs the beginning of the current element in the tree.
Description Description
See also See also
Parameters Parameters
- $output
-
(string) (Required) Used to append additional content. Passed by reference.
- $page
-
(WP_Post) (Required) Page data object.
- $depth
-
(int) (Optional) Depth of page. Used for padding. Default 0.
- $args
-
(array) (Optional) Array of arguments.
Default value: array()
- $current_page
-
(int) (Optional) Page ID. Default 0.
Source Source
File: wp-includes/class-walker-page.php
public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) { if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) { $t = "\t"; $n = "\n"; } else { $t = ''; $n = ''; } 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 ( $_current_page && in_array( $page->ID, $_current_page->ancestors ) ) { $css_class[] = 'current_page_ancestor'; } if ( $page->ID == $current_page ) { $css_class[] = 'current_page_item'; } elseif ( $_current_page && $page->ID == $_current_page->post_parent ) { $css_class[] = 'current_page_parent'; } } elseif ( $page->ID == get_option( 'page_for_posts' ) ) { $css_class[] = 'current_page_parent'; } /** * Filters the list of CSS classes to include with each 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 of the current page. */ $css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) ); $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 == $current_page ) ? '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 `<a>` 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 of the current page. */ $atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page ); $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( '<li%s><a%s>%s%s%s</a>', $css_classes, $attributes, $args['link_before'], /** This filter is documented in wp-includes/post-template.php */ 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 ); } }
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Changelog Changelog
Version | Description |
---|---|
2.1.0 | Introduced. |