CTar::extractFile

function extractFile()
{
	if ($this->header === null)
	{
		if(($header = $this->readHeader()) === false || $header === 0 || $header === true)
		{
			if ($header === true && $this->SkipFile() === false)
				return false;
			return $header;
		}

		$this->lastPath = $f = $this->path.'/'.$header['filename'];

		if ($this->ReadBlockCurrent == 0)
		{
			if ($header['type']==5) // dir
			{
				if(!file_exists($f) && !self::xmkdir($f))
					return $this->ErrorAndSkip('Can't create folder: '.$f);
				//chmod($f, $header['mode']);
			}
			else // file
			{
				if (!self::xmkdir($dirname = dirname($f)))
					return $this->ErrorAndSkip('Can't create folder: '.$dirname);
				elseif (($rs = fopen($f, 'wb'))===false)
					return $this->ErrorAndSkip('Can't create file: '.$f);
			}
		}
		else
			return $this->Skip($this->ReadBlockCurrent);
	}
	else // файл уже частично распакован, продолжаем на том же хите
	{
		$header = $this->header;
		$this->lastPath = $f = $this->path.'/'.$header['filename'];
	}

	if ($header['type'] != 5) // пишем контент в файл
	{
		if (!$rs)
		{
			if (($rs = fopen($f, 'ab'))===false)
				return $this->ErrorAndSkip('Can't open file: '.$f);
		}

		$i = 0;
		$FileBlockCount = ceil($header['size'] / 512);
		while(++$this->ReadBlockCurrent <= $FileBlockCount && ($contents = $this->readBlock()))
		{
			if ($this->ReadBlockCurrent == $FileBlockCount && ($chunk = $header['size'] % 512))
				$contents = substr($contents, 0, $chunk);

			fwrite($rs,$contents);

			if ($this->ReadBlockMax && ++$i >= $this->ReadBlockMax)
			{
				fclose($rs);
				return true; // Break
			}
		}
		fclose($rs);

		if (($s = filesize($f)) != $header['size'])
			return $this->Error('File size is wrong: '.$header['filename'].' (real: '.$s.'  expected: '.$header['size'].')');

		//chmod($f, $header['mode']);
	}

	if ($this->header['type']==5)
		$this->DirCount++;
	else
		$this->FileCount++;

	$this->debug_header = $this->header;
	$this->BlockHeader = $this->Block;
	$this->ReadBlockCurrent = 0;
	$this->header = null;

	return true;
}