向Wordpress仪表板添加新按钮

我可以在WP后端的仪表板菜单下添加一个新链接

        function new_link_display() {
            echo "Echo html code for the page";
        }

        function new_link_page() {
            if (function_exists('add_submenu_page') )
                add_submenu_page('index.php', __('New Like Label'), __('New Link Label'), 'manage_options', 'new-link-display', 'new_link_display');
        }
        add_action('admin_menu', 'new_link_page');
                }
                add_action('admin_menu', 'new_link_page');

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如何在“设置”按钮下方添加新按钮。我不想让它出现在设置菜单中，但它下面有一个单独的按钮。

您应该仔细阅读这两页，首先：

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您应该使用

添加菜单页面

而不是

添加子菜单页面

这是你的代码，可能有用

function new_link_display() {
            echo "Echo html code for the page";
}

function new_link_page() {
    if (function_exists('add_submenu_page') )

        add_menu_page( __('New Like Label'), __('New Link Label'), 'manage_options', 'new-link-display', 'new_link_display', $icon_url, $position);
        // $position = If position is not set, menu will at the end automatically.
}
add_action('admin_menu', 'new_link_page');
}
add_action('admin_menu', 'new_link_page');

function new_link_display() {
            echo "Echo html code for the page";
}

function new_link_page() {
    if (function_exists('add_submenu_page') )

        add_menu_page( __('New Like Label'), __('New Link Label'), 'manage_options', 'new-link-display', 'new_link_display', $icon_url, $position);
        // $position = If position is not set, menu will at the end automatically.
}
add_action('admin_menu', 'new_link_page');
}
add_action('admin_menu', 'new_link_page');