_file = $file;
$this->_chunk_size = $chunk_size;
}
/**
* @return void
*/
public function rewind():void {
$this->_file->seek(0);
}
/**
* @return bool
*/
public function hasNext():bool {
return $this->_file->tell() < $this->_file->getSize();
}
/**
* @return FileChunk|null
* @throws IOException
*/
public function next():?FileChunk {
if(!$this->hasNext()) return null;
$chunk = new FileChunk($this->_file, $this->_chunk_size);
if(!$chunk->getSize()) return null;
return $chunk;
}
}