CODE EXAMPLE FOR PHP

old codestar checkbox field

array(
  'id'         => 'unique_option_303',
  'type'       => 'checkbox',
  'title'      => 'Checkbox Field',
  'options'    => array(
    'bmw'      => 'BMW',
    'mercedes' => 'Mercedes',
    'audi'     => 'Audi',
  ),
),