PHP – 壓縮文件夾 Folder

<?php
$path = $_POST['path'];
if(Zip($path, "output.zip"){
   echo "success.";
}
else{
   echo "failed.";
}
function Zip($source, $destination)
{
    try {
        if (!extension_loaded('zip') || !file_exists($source)) {
            return false;
        }
        $zip = new ZipArchive();
        if (!$zip->open($destination, ZIPARCHIVE::CREATE)) {
            return false;
        }
        $source = str_replace('\\', '/', realpath($source));
        if (is_dir($source) === true) {
            $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);
            foreach ($files as $file) {
                $file = str_replace('\\', '/', $file);
                // Ignore "." and ".." folders
                if (in_array(substr($file, strrpos($file, '/') + 1), array('.', '..')))
                    continue;
                $file = realpath($file);
                if (is_dir($file) === true) {
                    $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
                } else if (is_file($file) === true) {
                    $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
                }
            }
        } else if (is_file($source) === true) {
            $zip->addFromString(basename($source), file_get_contents($source));
        }
        return $zip->close();
    } catch (Exception $e) {
        return false;
    }
}
?>