Upload

PHP

<?php

$tea_content = array(
    array(
        'type' => 'upload',
        'title' => 'Upload',
        'id' => 'simple_upload',
        'description' => 'Simple description to upload panel',
    ),
);

Retrieve data

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

JSON

{
    "url": "http:\/\/your_complete_url\/wp-content\/uploads\/img\/teato-tiny.svg",
    "id": "14",
    "name": "teato-tiny"
}