/**
* Unpack a zip archive to a specified location.
*
* @uses compression.xPDOZip OR compression.PclZip
* @todo Refactor this to be implemented in a service class external to xPDOTransport.
*
* @param xPDO &$xpdo A reference to an xPDO instance.
* @param string $from An absolute file system location to a valid zip archive.
* @param string $to A file system location to extract the contents of the archive to.
* @return array|boolean An array of unpacked resources or false on failure.
*/
public static function _unpack(&$xpdo, $from, $to)
{
$resources = false;
if ($xpdo->getOption(xPDOTransport::ARCHIVE_WITH, null, 0) != xPDOTransport::ARCHIVE_WITH_PCLZIP && class_exists('ZipArchive', true) && $xpdo->loadClass('compression.xPDOZip', XPDO_CORE_PATH, true, true)) {
$archive = new xPDOZip($xpdo, $from);
if ($archive) {
$resources = $archive->unpack($to);
$archive->close();
}
} elseif (class_exists('PclZip') || (include XPDO_CORE_PATH . 'compression/pclzip.lib.php')) {
$archive = new PclZip($from);
if ($archive) {
$resources = $archive->extract(PCLZIP_OPT_PATH, $to);
}
}
return $resources;
}
/**
* Unpack the zip file using the xPDOZip class
*
* @return bool|string
*/
public function unpack()
{
if (!$this->modx->loadClass('compression.xPDOZip', $this->modx->getOption('core_path') . 'xpdo/', true, true)) {
return $this->modx->lexicon('gallery.xpdozip_err_nf');
}
/* unpack zip file */
$archive = new xPDOZip($this->modx, $this->source['tmp_name']);
if (!$archive) {
return $this->modx->lexicon('gallery.zip_err_unpack');
}
$archive->unpack($this->target);
$archive->close();
return true;
}
