為WordPress后臺 Settings 頂級欄目創(chuàng)建一個子欄目

語法結構

<?php
add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function);
?>

參數(shù)

$page_title

$menu_title：菜單名稱

$capability：權限

$menu_slug

$function 回調函數(shù)

<?php
/** 第1步：定義添加菜單選項的函數(shù) */
function my_plugin_menu() {
     add_options_page( 
        'My Plugin Options', 
        'My Plugin', 
        'manage_options', 
        'my-unique-identifier', 
        'my_plugin_options' );
}

/** 第2步：將函數(shù)注冊到鉤子中 */
add_action( 'admin_menu', 'my_plugin_menu' );

/** 第3步：定義選項被點擊時打開的頁面 */
//current_user_can()檢測當前的用戶是否有特定的權限
//wp_die()終斷WordPress執(zhí)行并顯示錯誤HTML信息。
function my_plugin_options() {
     if ( !current_user_can( 'manage_options' ) )  {
          wp_die( 'You do not have sufficient permissions to access this page.' );
     }
     echo '<div class=wrap>Here is where the form would go if I actually had options.</div>';
}
?>

為其他頂級欄目創(chuàng)建子菜單的函數(shù)

Dashboard 
<?php add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Posts 
<?php add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Media 
<?php add_media_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Links 
<?php add_links_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Pages 
<?php add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Comments 
<?php add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Appearance 
<?php add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Plugins 
<?php add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Users 
<?php add_users_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>

Tools 
<?php add_management_page( $page_title, $menu_title, $capability, $menu_slug, $function); ?>