WordPress 后台很多模块有时并不需要，使用下面的代码可以将它们屏蔽掉。

根据需要，将下面代码添加到当前主题functions.php模板文件中：

屏蔽左侧菜单

function remove_menus() {
    global $menu;
    $restricted = array(
        __(\'Dashboard\'),
        __(\'Posts\'),
        __(\'Media\'),
        __(\'Links\'),
        __(\'Pages\'),
        __(\'Appearance\'),
        __(\'Tools\'),
        __(\'Users\'),
        __(\'Settings\'),
        __(\'Comments\'),
        __(\'Plugins\')
    );
    end ($menu);
    while (prev($menu)){
        $value = explode(\' \',$menu[key($menu)][0]);
        if(strpos($value[0], \'<\') === FALSE) {
            if(in_array($value[0] != NULL ? $value[0]:\"\" , $restricted)){
                unset($menu[key($menu)]);
            }
        }else {
        $value2 = explode(\'<\', $value[0]);
            if(in_array($value2[0] != NULL ? $value2[0]:\"\" , $restricted)){
                unset($menu[key($menu)]);
            }
        }
    }
}
if (is_admin()){
    // 屏蔽左侧菜单
    add_action(\'admin_menu\', \'remove_menus\');
}

删除子菜单

function remove_submenu() {
    // 删除”设置”下面的子菜单”隐私”
    remove_submenu_page(\'options-general.php\', \'options-privacy.php\');
    // 删除”外观”下面的子菜单”编辑”
    remove_submenu_page(\'themes.php\', \'theme-editor.php\');
}
if (is_admin()){
    //删除子菜单
    add_action(\'admin_init\',\'remove_submenu\');
}

屏蔽后台更新模块

function wp_hide_nag() {
    remove_action( \'admin_notices\', \'update_nag\', 3 );
}
add_action(\'admin_menu\',\'wp_hide_nag\');

屏蔽 WP 后台“显示选项”和“帮助”选项卡

function remove_screen_options(){ return false;}
    add_filter(\'screen_options_show_screen\', \'remove_screen_options\');
    add_filter( \'contextual_help\', \'wpse50723_remove_help\', 999, 3 );
    function wpse50723_remove_help($old_help, $screen_id, $screen){
    $screen->remove_help_tabs();
    return $old_help;
}

屏蔽后台仪表盘无用模块

function example_remove_dashboard_widgets() {
    // Globalize the metaboxes array, this holds all the widgets for wp-admin
    global $wp_meta_boxes;
    // 以下这一行代码将删除 \"快速发布\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'side\'][\'core\'][\'dashboard_quick_press\']);
    // 以下这一行代码将删除 \"引入链接\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'normal\'][\'core\'][\'dashboard_incoming_links\']);
    // 以下这一行代码将删除 \"插件\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'normal\'][\'core\'][\'dashboard_plugins\']);
    // 以下这一行代码将删除 \"近期评论\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'normal\'][\'core\'][\'dashboard_recent_comments\']);
    // 以下这一行代码将删除 \"近期草稿\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'side\'][\'core\'][\'dashboard_recent_drafts\']);
    // 以下这一行代码将删除 \"WordPress 开发日志\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'side\'][\'core\'][\'dashboard_primary\']);
    // 以下这一行代码将删除 \"其它 WordPress 新闻\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'side\'][\'core\'][\'dashboard_secondary\']);
    // 以下这一行代码将删除 \"概况\" 模块
    unset($wp_meta_boxes[\'dashboard\'][\'normal\'][\'core\'][\'dashboard_right_now\']);
}
add_action(\'wp_dashboard_setup\', \'example_remove_dashboard_widgets\' );

屏蔽后台页脚版本信息

function change_footer_admin () {return \'\';}
add_filter(\'admin_footer_text\', \'change_footer_admin\', 9999);
function change_footer_version() {return \'\';}
add_filter( \'update_footer\', \'change_footer_version\', 9999);

屏蔽后台左上LOGO

function annointed_admin_bar_remove() {
        global $wp_admin_bar;
        /* Remove their stuff */
        $wp_admin_bar->remove_menu(\'wp-logo\');
}
add_action(\'wp_before_admin_bar_render\', \'annointed_admin_bar_remove\', 0);

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