我正在尝试创建一个插件来生成用户。我是Wordpress的新手，我的PHP是ehhhh。这样做的目的是让插件在完成后生成多个用户。现在我只是想让它生成一个。但我在尝试这样做时遇到了问题，有什么想法吗？

单击“提交”后，我会得到一个“保存的设置”。所以，我相信这意味着表单已经通过，但数据库中没有用户出现。我想我没有得到表单中的信息，也没有正确执行我的函数。

<?php
function sl_add_options_page() {
    // Add new page under the "Settings tab
    add_options_page(
        __( \'User Options\' ),
        __( \'User Options\' ),
        \'manage_options\',
        \'user_options_page\',
        \'sl_render_options_page\'
    );
}

add_action( \'admin_menu\', \'sl_add_options_page\' );

function sl_render_options_page() {
    ?>
    <div class="wrap">
        <h2><?php _e( \'Content & User Generator Options\' ); ?></h2>
        <form action="options.php" method="post">
            <?php settings_fields( \'num_users\' ); ?>
            <?php do_settings_sections( \'user_options_page\' ); ?>
            <p class="submit">
                <input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( \'Submit\' ); ?>">
            </p>
        </form>
    </div>
    <?php
}

function sl_add_setting() {
    // Register a binary value called "pimple_disable"
    register_setting(
        \'num_users\',
        \'num_users\',
        \'absint\'
    );

    // Add the settings section to hold the interface
    add_settings_section(
        \'user_main_settings\',
        __( \'User Controls\' ),
        \'sl_render_main_settings_section\',
        \'user_options_page\'
    );

    // Add the settings field to define the interface
    add_settings_field(
        \'user_main_settings_field\',
        __( \'How Many users\' ),
        \'sl_render_users_input\',
        \'user_options_page\',
        \'user_main_settings\',
        \'sl_wp_create_user\'
    );
}

add_action( \'admin_init\', \'sl_add_setting\' );

function sl_wp_create_user($username, $password, $email) {
    $num_users = intval( $_GET[\'num_users\'] );
    $username = \'Testing\';
    $email = \'fakeemail@easyfakemail.com\';
    $password = wp_generate_password( 12, false );

    for( $j = 0; $j < $num_users; $j++ ) { 

        $user_login = esc_sql( $username );
        $user_email = esc_sql( $email    );
        $user_pass = $password;

        $userdata = compact(\'user_login\', \'user_email\', \'user_pass\');
        return wp_insert_user($userdata);
    }

    echo \'<div id="message" class="updated fade"><p><strong>\' . $num_users . \' Users created</strong></p></div>\';
}

function sl_render_main_settings_section() {
    echo \'<p>Main settings for the Content and User Generator plugin.</p>\';
}

function sl_render_users_input() {
    echo \'<input id="num_users" name="num_users" type="input" value=""  />\';
}