function OptGroup::doFlattenOptions

Iterates over an array building a flat array with duplicate keys removed.

This function also handles cases where objects are passed as array values.

Parameters

array $array: The form options array to process.

array $options: The array of flattened options.

File

core/lib/Drupal/Core/Form/OptGroup.php, line 39

Class

OptGroup

Provides helpers for HTML option groups.

Namespace

Code

protected static function doFlattenOptions(array $array, array &$options) {
    foreach ($array as $key => $value) {
        if (is_object($value) && isset($value->option)) {
            static::doFlattenOptions($value->option, $options);
        }
        elseif (is_array($value)) {
            static::doFlattenOptions($value, $options);
        }
        else {
            $options[$key] = $value;
        }
    }
}