Radio

PHP

<?php

$tea_content = array(
    array(
        'type' => 'radio',
        'title' => 'Ok ok... But what is your favorite?',
        'id' => 'my_radio_field_id',
        'default' => 'minions',
        'mode' => 'image',
        'description' => '- "Bapouet?" - "Na na na, baapouet!" - "AAAAAAA Bapoueeeeettt!!!!"',
        'options' => array(
            'minions' => 'The Minions',
            'lapinscretins' => 'The Lapins Crétins',
        ),
    ),
);

Retrieve data

Using the _get_option('my_radio_field_id') method, you'll get (with a json_encode() display):

JSON

"minions"