wp_page_menu

函数
wp_page_menu ( $args = array() )
参数
  • (array|string) $args { Optional. Array or string of arguments to generate a page menu. See wp_list_pages() for additional arguments. @type string $sort_column How to sort the list of pages. Accepts post column names. Default 'menu_order, post_title'. @type string $menu_id ID for the div containing the page list. Default is empty string. @type string $menu_class Class to use for the element containing the page list. Default 'menu'. @type string $container Element to use for the element containing the page list. Default 'div'. @type bool $echo Whether to echo the list or return it. Accepts true (echo) or false (return). Default true. @type int|bool|string $show_home Whether to display the link to the home page. Can just enter the text you'd like shown for the home link. 1|true defaults to 'Home'. @type string $link_before The HTML or text to prepend to $show_home text. Default empty. @type string $link_after The HTML or text to append to $show_home text. Default empty. @type string $before The HTML or text to prepend to the menu. Default is '<ul>'. @type string $after The HTML or text to append to the menu. Default is '</ul>'. @type string $item_spacing Whether to preserve whitespace within the menu's HTML. Accepts 'preserve' or 'discard'. Default 'discard'. @type Walker $walker Walker instance to use for listing pages. Default empty which results in a Walker_Page instance being used. }
    Required:
    Default: array()
返回值
  • (void|string) Void if 'echo' argument is true, HTML menu if 'echo' is false.
定义位置
相关方法
wp_nav_menuwp_get_nav_menuswp_update_commentwpmu_menuwp_update_theme
引入
2.7.0
弃用
-

wp_page_menu: 这个函数生成一个HTML的页面列表。它用于在导航菜单中显示一个页面列表。

显示或检索一个带有可选的主页链接的页面列表。

参数列举如下,部分参数是wp_list_pages()函数的参数。请查看该函数以了解更多关于这些参数的信息。

function wp_page_menu( $args = array() ) {
	$defaults = array(
		'sort_column'  => 'menu_order, post_title',
		'menu_id'      => '',
		'menu_class'   => 'menu',
		'container'    => 'div',
		'echo'         => true,
		'link_before'  => '',
		'link_after'   => '',
		'before'       => '<ul>',
		'after'        => '</ul>',
		'item_spacing' => 'discard',
		'walker'       => '',
	);
	$args     = wp_parse_args( $args, $defaults );

	if ( ! in_array( $args['item_spacing'], array( 'preserve', 'discard' ), true ) ) {
		// Invalid value, fall back to default.
		$args['item_spacing'] = $defaults['item_spacing'];
	}

	if ( 'preserve' === $args['item_spacing'] ) {
		$t = "t";
		$n = "n";
	} else {
		$t = '';
		$n = '';
	}

	/**
	 * Filters the arguments used to generate a page-based menu.
	 *
	 * @since 2.7.0
	 *
	 * @see wp_page_menu()
	 *
	 * @param array $args An array of page menu arguments. See wp_page_menu()
	 *                    for information on accepted arguments.
	 */
	$args = apply_filters( 'wp_page_menu_args', $args );

	$menu = '';

	$list_args = $args;

	// Show Home in the menu.
	if ( ! empty( $args['show_home'] ) ) {
		if ( true === $args['show_home'] || '1' === $args['show_home'] || 1 === $args['show_home'] ) {
			$text = __( 'Home' );
		} else {
			$text = $args['show_home'];
		}
		$class = '';
		if ( is_front_page() && ! is_paged() ) {
			$class = 'class="current_page_item"';
		}
		$menu .= '<li ' . $class . '><a href="' . esc_url( home_url( '/' ) ) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
		// If the front page is a page, add it to the exclude list.
		if ( 'page' === get_option( 'show_on_front' ) ) {
			if ( ! empty( $list_args['exclude'] ) ) {
				$list_args['exclude'] .= ',';
			} else {
				$list_args['exclude'] = '';
			}
			$list_args['exclude'] .= get_option( 'page_on_front' );
		}
	}

	$list_args['echo']     = false;
	$list_args['title_li'] = '';
	$menu                 .= wp_list_pages( $list_args );

	$container = sanitize_text_field( $args['container'] );

	// Fallback in case `wp_nav_menu()` was called without a container.
	if ( empty( $container ) ) {
		$container = 'div';
	}

	if ( $menu ) {

		// wp_nav_menu() doesn't set before and after.
		if ( isset( $args['fallback_cb'] ) &&
			'wp_page_menu' === $args['fallback_cb'] &&
			'ul' !== $container ) {
			$args['before'] = "<ul>{$n}";
			$args['after']  = '</ul>';
		}

		$menu = $args['before'] . $menu . $args['after'];
	}

	$attrs = '';
	if ( ! empty( $args['menu_id'] ) ) {
		$attrs .= ' id="' . esc_attr( $args['menu_id'] ) . '"';
	}

	if ( ! empty( $args['menu_class'] ) ) {
		$attrs .= ' class="' . esc_attr( $args['menu_class'] ) . '"';
	}

	$menu = "<{$container}{$attrs}>" . $menu . "</{$container}>{$n}";

	/**
	 * Filters the HTML output of a page-based menu.
	 *
	 * @since 2.7.0
	 *
	 * @see wp_page_menu()
	 *
	 * @param string $menu The HTML output.
	 * @param array  $args An array of arguments. See wp_page_menu()
	 *                     for information on accepted arguments.
	 */
	$menu = apply_filters( 'wp_page_menu', $menu, $args );

	if ( $args['echo'] ) {
		echo $menu;
	} else {
		return $menu;
	}
}

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