function get_byte($raw) { // $raw : '500kb', '1mb' require_once 'lib/byte_converter.class.php'; $file_raw_size = parse_size($raw); $size_in_byte = 0; try { $byte = new byte_converter(); $byte->set_limit("tb"); //show types up to tera byte $file_size = $byte->auto($file_raw_size[0], $file_raw_size[1]); $size_in_byte = $file_size['b']; } catch (Exception $e) { echo $e; } return $size_in_byte; }