将呈现具有自己的设置页面和单个文本字段的插件。为字段输入值并提交表单时，Settings saved. 渲染。然而，对数据库的查询wp_options 表显示未存储设置值；选项名称rma_base_url 表中存在

代码：

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

function remote_member_auth_menu() {
    add_options_page(\'Remote Member Auth Options\', \'Remote Member Auth\', \'manage_options\', \'rma\', \'remote_member_auth_options\');
}

function remote_member_auth_options() {
    if (!current_user_can(\'manage_options\')) {
        wp_die(__(\'You do not have sufficient permissions to access this page.\'));
    }
    echo \'<div class="wrap">\' .
        \'<h3>Remote Member Authnetication Settings</h3>\' .
        \'<form method="post" action="options.php">\';
    settings_fields(\'rma_options\');
    do_settings_sections(\'rma\');
    submit_button(\'Set base url\');
    echo \'</form>\' .
        \'</div>\';
}

function register_rma_settings() {
    register_setting(\'rma_options\', \'rma_base_url\');
    add_settings_section(\'rma_main\', \'\', \'rma_main_settings_fn\', \'rma\');
    add_settings_field(\'rma_base_url\', \'Base URL\', \'rma_base_url_string\', \'rma\', \'rma_main\');
}

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

function rma_base_url_string() {
    $option = get_option(\'rma_base_url\');
    echo "<input id=\'rma_base_url\' name=\'rma_options[rma_base_url]\' size=\'40\' type=\'text\' value=\'{$option}\' />";
}

function rma_main_settings_fn() {
    echo \'\';
}