php ZipArchive setPassword is not work

$zip = new ZipArchive();$code = $zip->open('myzip.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE);if ($code === true)    echo 'zip opened
';else    echo $code.'
';$zip->addFile('somefile');$code = $zip->setPassword('secret');if ($code === true)    echo 'password set
';else    var_dump($code);$code = $zip->close();on the filesystem, the myzip.zip is created with somefile inside and $code is true but the zip file is not password protected ...

回複內容：

$zip = new ZipArchive();$code = $zip->open('myzip.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE);if ($code === true)    echo 'zip opened
';else    echo $code.'
';$zip->addFile('somefile');$code = $zip->setPassword('secret');if ($code === true)    echo 'password set
';else    var_dump($code);$code = $zip->close();on the filesystem, the myzip.zip is created with somefile inside and $code is true but the zip file is not password protected ...

setPassword不是把一個沒有密碼的ZIP檔案設定有密碼的. 而是設定一個密碼用來解密的.

$zip = new ZipArchive();$code = $zip->open('myzip.zip');$zip->setPassword('123456');$zip->extractTo('/path');

