Anonymous

	function download() {		if (!$this->initialize()) return false;				$seek = $this->seek_start;		$speed = $this->speed;		$bufsize = $this->bufsize;		$packet = 1;				//do some clean up		@ob_end_clean();		$old_status = ignore_user_abort(true);		@set_time_limit(0);		$this->bandwidth = 0;				$size = $this->data_len;				if ($this->data_type == 0) //download from a file		{						$size = filesize($this->data);			if ($seek > ($size - 1)) $seek = 0;			if ($this->filename == null) $this->filename = basename($this->data);						$res = fopen($this->data,'rb');			if ($seek) fseek($res , $seek);			if ($this->seek_end < $seek) $this->seek_end = $size - 1;						$this->header($size,$seek,$this->seek_end); //always use the last seek			$size = $this->seek_end - $seek + 1;						while (!(connection_aborted() || connection_status() == 1) && $size > 0)			{				if ($size < $bufsize)				{					echo fread($res , $size);					$this->bandwidth += $size;				}				else				{					echo fread($res , $bufsize);					$this->bandwidth += $bufsize;				}								$size -= $bufsize;				flush();								if ($speed > 0 && ($this->bandwidth > $speed*$packet*1024))				{					sleep(1);					$packet++;				}			}			fclose($res);		}				elseif ($this->data_type == 1) //download from a string		{			if ($seek > ($size - 1)) $seek = 0;			if ($this->seek_end < $seek) $this->seek_end = $this->data_len - 1;			$this->data = substr($this->data , $seek , $this->seek_end - $seek + 1);			if ($this->filename == null) $this->filename = time();			$size = strlen($this->data);			$this->header($this->data_len,$seek,$this->seek_end);			while (!connection_aborted() && $size > 0) {				if ($size < $bufsize)				{					$this->bandwidth += $size;				}				else				{					$this->bandwidth += $bufsize;				}								echo substr($this->data , 0 , $bufsize);				$this->data = substr($this->data , $bufsize);								$size -= $bufsize;				flush();								if ($speed > 0 && ($this->bandwidth > $speed*$packet*1024))				{					sleep(1);					$packet++;				}			}		} else if ($this->data_type == 2) {			//just send a redirect header			header('location: ' . $this->data);		}				if ($this->use_autoexit) exit();				//restore old status		ignore_user_abort($old_status);		set_time_limit(ini_get("max_execution_time"));				return true;	}