$files = array(
    array('file'=>'E:/wamp/www/file/test1.docx','file_name'=>'測試1.docx'),
    array('file'=>'E:/wamp/www/file/test2.txt','file_name'=>'測試2.txt')
);
$time = time();
$zip = new ZipArchive(); //新建一個ZipArchive的物件
$zname = 'E:/wamp/www/file/'.$time.".zip"; //下載後的檔名

//開始操作壓縮包
if($zip->open($zname
 
,ZipArchive::CREATE)===TRUE){
    foreach($files as $v){
        $zip->addFromString(iconv('utf-8','gbk//ignore',$v['file_name']),file_get_contents($v['file'])); //向壓縮包中新增檔案
    }
    $zip->close(); //關閉壓縮包
}