} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
$a->compressFiles(array());
try {
$a->decompressFiles();
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
$a->copy(array());
try {
$a->copy('a', 'b');
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
$a->offsetExists(array());
$a->offsetGet(array());
ini_set('phar.readonly', 0);
$a->offsetSet(array());
ini_set('phar.readonly', 1);
$b->offsetUnset(array());
try {
$a->offsetUnset('a');
} catch (Exception $e) {
echo $e->getMessage() . "\n";
}
$a->addEmptyDir(array());
$a->addFile(array());
$a->addFromString(array());
try {
$a->setMetadata('a');