/** * Flattens an array into a quasi-serialized format suitable for saving as a stash variable * * @param array $list The list array to flatten * @return string The imploded string */ public static function flatten_list($array) { $self = new self(); $new_list = array(); foreach ($array as $value) { $new_list[] = $self->_list_row_implode($value); } return implode($self->_list_delimiter, $new_list); }