Set the encryption method of an entry defined by its index

# ZipArchive::setEncryptionIndex

(PHP >= 7.2.0, PECL zip >= 1.14.0)

ZipArchive::setEncryptionIndex — Set the encryption method of an entry defined by its index

### 説明

ZipArchive::setEncryptionIndex ( int `$index` , string `$method` [, string `$password` ] ) : bool

Set the encryption method of an entry defined by its index.

### パラメータ

`index`

  Index of the entry.

`method`

  The encryption method defined by one of the ZipArchive::EM_ constants.

`password`

  Optional password, default used when missing.

### 返り値

成功した場合に `TRUE` を、失敗した場合に `FALSE` を返します。

### 参考

- ZipArchive::setPassword() - アクティブなアーカイブにパスワードを設定する
- ZipArchive::setEncryptionName() - Set the encryption method of an entry defined by its name