Announcing WordPress Settings Module https://www.wphuman.com/announcing-wordpress-settings-module/

class-plugin-name-settings.php

<?php
// Skipping lots of array elements above.....
 
$settings['your_tab_slug']['user_email'] = array(
    'name' => __( 'Your Email', $this->plugin_name ),
    'type' => 'email'
);
 
$settings['your_tab_slug']['user_plan'] = array(
    'name' => __( 'Select a plan', $this->plugin_name ),
    'options' => array(
        'gold' => __( 'Gold - I am champion!', $this->plugin_name ),
        'silver' => __( 'Silver - I love speech', $this->plugin_name ),
        'bronze' => __( "Bronze - Let's have a try", $this->plugin_name )
    ),
    'type' => 'select'
);
 
return self::apply_tab_slug_filters( $settings );

get_option.php

<?php
$user_email = Plugin_Option::get_option( 'user_email' );
$user_plan = Plugin_Option::get_option( 'user_plan' );

git-clone.sh

git clone https://github.com/tommcfarlin/WordPress-Plugin-Boilerplate.git
git clone https://github.com/wphuman/WordPress-Settings-Module.git