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<?php
namespace Chrisyue\PhpM3u8\M3u8\Transformer;
use Chrisyue\PhpM3u8\Document\Rfc8216\Tag;
/**
* @Annotation
*/
class Byterange implements TransformerInterface
{
public function transform($origin)
$byterange = new Tag\Byterange();
list($length, $offset) = array_pad(explode('@', $origin, 2), 2, null);
$byterange->length = (int) $length;
if (null !== $offset) {
$byterange->offset = (int) $offset;
}
return $byterange;
public function reverse($byterange)
if (empty($byterange->offset)) {
return sprintf('%d', $byterange->length);
return sprintf('%d@%d', $byterange->length, $byterange->offset);
chrisyue /
php-m3u8
