TYPO3 Core

public function unzip($file, $path) {
// We use the unzip class of the Extension Manager here
// TODO: move unzip class to core
if (!\TYPO3\CMS\Core\Extension\ExtensionManager::isLoaded('em')) {
// Em is not loaded, so include the unzip class
\TYPO3\CMS\Core\Utility\GeneralUtility::requireOnce(PATH_typo3 . 'sysext/em/classes/tools/class.tx_em_tools_unzip.php');
}
$unzip = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_em_Tools_Unzip', $file);
$ret = $unzip->extract(array('add_path' => $path));
return is_array($ret);
}