add_menu_page

函数
add_menu_page ( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null )
参数
  • (string) $page_title The text to be displayed in the title tags of the page when the menu is selected.
    Required:
  • (string) $menu_title The text to be used for the menu.
    Required:
  • (string) $capability The capability required for this menu to be displayed to the user.
    Required:
  • (string) $menu_slug The slug name to refer to this menu by. Should be unique for this menu page and only include lowercase alphanumeric, dashes, and underscores characters to be compatible with sanitize_key().
    Required:
  • (callable) $callback Optional. The function to be called to output the content for this page.
    Required:
    Default: (empty)
  • (string) $icon_url Optional. The URL to the icon to be used for this menu. * Pass a base64-encoded SVG using a data URI, which will be colored to match the color scheme. This should begin with 'data:image/svg+xml;base64,'. * Pass the name of a Dashicons helper class to use a font icon, e.g. 'dashicons-chart-pie'. * Pass 'none' to leave div.wp-menu-image empty so an icon can be added via CSS.
    Required:
    Default: (empty)
  • (int|float) $position Optional. The position in the menu order this item should appear.
    Required:
    Default: null
返回值
  • (string) The resulting page's hook_suffix.
定义位置
相关方法
add_submenu_pageadd_theme_pageadd_media_pageadd_comments_pageadd_menu_classes
引入
1.5.0
弃用
-

add_menu_page: 这个函数在WordPress管理菜单中创建一个新的顶级菜单项。你可以用它来创建一个自定义的仪表盘页面或设置页面,例如。

添加一个顶层菜单页。

这个函数接受一个权限,这个权限将被用来决定一个页面是否被包含在菜单中。

钩住处理页面输出的函数必须检查用户是否具有所需的权限。

function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $icon_url = '', $position = null ) {
	global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;

	$menu_slug = plugin_basename( $menu_slug );

	$admin_page_hooks[ $menu_slug ] = sanitize_title( $menu_title );

	$hookname = get_plugin_page_hookname( $menu_slug, '' );

	if ( ! empty( $callback ) && ! empty( $hookname ) && current_user_can( $capability ) ) {
		add_action( $hookname, $callback );
	}

	if ( empty( $icon_url ) ) {
		$icon_url   = 'dashicons-admin-generic';
		$icon_class = 'menu-icon-generic ';
	} else {
		$icon_url   = set_url_scheme( $icon_url );
		$icon_class = '';
	}

	$new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url );

	if ( null !== $position && ! is_numeric( $position ) ) {
		_doing_it_wrong(
			__FUNCTION__,
			sprintf(
				/* translators: %s: add_menu_page() */
				__( 'The seventh parameter passed to %s should be numeric representing menu position.' ),
				'<code>add_menu_page()</code>'
			),
			'6.0.0'
		);
		$position = null;
	}

	if ( null === $position || ! is_numeric( $position ) ) {
		$menu[] = $new_menu;
	} elseif ( isset( $menu[ (string) $position ] ) ) {
		$collision_avoider = base_convert( substr( md5( $menu_slug . $menu_title ), -4 ), 16, 10 ) * 0.00001;
		$position          = (string) ( $position + $collision_avoider );
		$menu[ $position ] = $new_menu;
	} else {
		/*
		 * Cast menu position to a string.
		 *
		 * This allows for floats to be passed as the position. PHP will normally cast a float to an
		 * integer value, this ensures the float retains its mantissa (positive fractional part).
		 *
		 * A string containing an integer value, eg "10", is treated as a numeric index.
		 */
		$position          = (string) $position;
		$menu[ $position ] = $new_menu;
	}

	$_registered_pages[ $hookname ] = true;

	// No parent as top level.
	$_parent_pages[ $menu_slug ] = false;

	return $hookname;
}

常见问题

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2025-12-05 19:32:59

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