ZipArchive::setEncryptionIndex

(PHP >= 7.2.0, PHP 8, PECL zip >= 1.14.0)

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

public ZipArchive::setEncryptionIndex ( int $index , int $method , string|null $password = null ) : bool

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

index: Index of the entry.
method: The encryption method defined by one of the ZipArchive::EM_ constants.
password: Optional password, default used when missing.

成功时返回 true，或者在失败时返回 false。

版本	说明
8.0.0	`password` is now nullable.

Note:
This function is only available if built against libzip ≥ 1.2.0.

ZipArchive::setPassword() - Set the password for the active archive
ZipArchive::setEncryptionName() - Set the encryption method of an entry defined by its name

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