/**
* Theoretically this should be placed in self::post_to_intermediate(), but toolset-forms & legacy code
* might expect the POST data instead what I think should be the intermediate format.
*
* First of all, $value is expected to be an array. If checkbox is checked, an element with its id as key and value
* will be present. In that case it will be stored in the same way. If it's not checked, we either store nothing
* or a zero, depending on the field definition setting "Save empty value".
*
* @param array|mixed $value
*
* @return array
*/
public function intermediate_to_database($value)
{
$options = $this->field_definition->get_field_options();
$result = array();
foreach ($options as $option_id => $ignored) {
$option_is_checked = isset($value[$option_id]);
if ($option_is_checked) {
$result[$option_id] = $value[$option_id];
} else {
if ($this->field_definition->get_should_save_empty_value()) {
$result[$option_id] = 0;
}
}
}
return $result;
}
