WordPress设置API不保存选项值

Question

我创建了一个子菜单来为我的插件添加一些选项字段。据我所知，我已经遵循了文档，并且检查了我可以找到的有关该主题的每条论坛消息。

子菜单已按预期添加到“仪表板”菜单。

选择后，设置页将按预期显示，但是当我填写字段并按Save Changes时，新记录将添加到wp_options表中，但不会保存值。如果我使用SQL手动将值添加到数据库中，则该值显示在字段中，但是如果更改了该值，则不会保存新值。

这是我的代码

<?php // Zuzz Plugin Settings

if (!defined('ABSPATH')) die();

add_action( 'admin_menu', 'create_plugin_settings_page' );

function create_plugin_settings_page() {
    // Add the menu item and page
    $page_title = 'Zuzz Settings Page';
    $menu_title = 'Zuzz Settings';
    $capability = 'manage_options';
    $slug = 'zuzz_settings_page';
    $callback = 'plugin_settings_page_content';
    $icon = 'dashicons-admin-plugins';
    $position = 100;
    add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $slug,$callback );
}

function plugin_settings_page_content() {
 ?>
    <div class="wrap">
        <h2>Zuzz Settings</h2>
        <form method="post" action="options.php">
            <?php
                settings_fields( 'zuzz_settings_page' );
                if ( is_plugin_active( 'zuzz-mailing/zuzz-mailing.php' ) ) {
                    settings_fields( 'zuzz_settings_page' );
                }
                if ( is_plugin_active( 'zuzz-register/zuzz-register.php' ) ) {
                    settings_fields( 'zuzz_settings_page' );
                }
                do_settings_sections( 'zuzz_settings_page' );
                submit_button();
            ?>
        </form>
    </div> <?php
}

add_action( 'admin_init','setup_sections');

function setup_sections() {
    add_settings_section( 'general_settings', 'General settings', false, 'zuzz_settings_page' );
    if ( is_plugin_active( 'zuzz-mailing/zuzz-mailing.php' ) ) {
        add_settings_section( 'mailing', 'Mailing', false, 'zuzz_settings_page' );
    }
    if ( is_plugin_active( 'zuzz-register/zuzz-register.php' ) ) {
        add_settings_section( 'register', 'Register', false, 'zuzz_settings_page' );
    }
}

add_action( 'admin_init','setup_fields');

function setup_fields() {
    add_settings_field( 'zuzz_club_name', 'Club name', 'field_callback', 'zuzz_settings_page', 'general_settings' , 'zuzz_club_name');
    if ( is_plugin_active( 'zuzz-mailing/zuzz-mailing.php' ) ) {
        add_settings_field( 'zuzz_create_post', 'Create post', 'field_callback', 'zuzz_settings_page', 'mailing', 'zuzz_create_post' );
        add_settings_field( 'zuzz_region_coord', 'Coordinator email', 'field_callback', 'zuzz_settings_page', 'mailing', 'zuzz_region_coord' );
    }
    if ( is_plugin_active( 'zuzz-register/zuzz-register.php' ) ) {
        add_settings_field( 'zuzz_super_registrar', 'Super registrar email', 'field_callback', 'zuzz_settings_page', 'register', 'zuzz_super_register' );
    }
}

function field_callback( $arguments ) {
    switch( $arguments ){
        case 'zuzz_club_name': 
            echo '<input name="zuzz_club_name" id="zuzz_club_name" type="text" value="' . get_option( 'zuzz_club_name' ) . '" />';
            register_setting( 'zuzz_settings_page', 'zuzz_club_name', 'sanitise_field' );
            break;
        case 'zuzz_create_post': 
            echo '<input name="zuzz_create_post" id="zuzz_create_post" type="checkbox" value="1"'. checked( "1", get_option( "zuzz_create_post" ), false ) . ' />';
            register_setting( 'zuzz_settings_page', 'zuzz_create_post', 'sanitise_field' );
            break;
        case 'zuzz_super_register': 
            echo '<input name="zuzz_super_register" id="zuzz_super_register" type="email" value="' . get_option( 'zuzz_super_register' ) . '" />';
            register_setting( 'zuzz_settings_page', 'zuzz_super_registrar', 'sanitise_field' );
            break;
        case 'zuzz_region_coord': 
            echo '<input name="zuzz_region_coord" id="zuzz_region_coord" type="email" value="' . get_option( 'zuzz_region_coord' ) . '" />';
            register_setting( 'zuzz_settings_page', 'zuzz_region_coord', 'sanitise_field' );
            break;
    }
}

function sanitise_field($input) {
    error_log($input);
    return $input;
}