/**
* Append the contents of an existing zip file to the current, WITHOUT re-compressing the data within it.
*
* @param string $file the path to the zip file to be added.
* @param string $subPath place the contents in the $subPath sub-folder, default is '', and places the
* content in the root of the new zip file.
* @param AbstractZipWriter $writer Only used by the PHPZip files. Will write all output to the $writer,
* instead of the stream.
* @return bool true for success.
*/
public function appendZip($file, $subPath = '', $writer = null)
{
if ($this->isFinalized) {
return false;
}
$this->writer = $writer;
if (!empty($subPath)) {
$subPath = \RelativePath::getRelativePath($subPath);
$subPath = rtrim($subPath, '/');
if (!empty($subPath)) {
$path = explode('/', $subPath);
$subPath .= '/';
$nPath = '';
foreach ($path as $dir) {
$nPath .= $dir . '/';
$fileEntry = ZipFileEntry::createDirEntry($nPath, time());
$data = $fileEntry->getLocalHeader();
$this->zipWrite($data);
$lf = $fileEntry->getLocalHeader();
$lfLen = BinStringStatic::_strlen($lf);
$fileEntry->offset = $this->entryOffset;
$this->entryOffset += $lfLen;
$this->FILES[$this->LFHindex++] = $fileEntry;
$this->CDRindex++;
}
}
}
if (is_string($file) && is_file($file)) {
$handle = fopen($file, 'r');
$this->processStream($handle, $subPath);
fclose($handle);
} else {
if (is_resource($file) && get_resource_type($file) == "stream") {
$curPos = ftell($file);
$this->processStream($file, $subPath);
fseek($file, $curPos, SEEK_SET);
}
}
return true;
}
