PHP Manual
ZipArchive
Set the encryption method of an entry defined by its name

ZipArchive::setEncryptionName

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

ZipArchive::setEncryptionName — Set the encryption method of an entry defined by its name

Description

public ZipArchive::setEncryptionName(string $name, int $method, ?string $password = null): bool

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

Parameters

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

Return Values

Returns true on success or false on failure.

Changelog

Version	Description
8.0.0	`password` is now nullable.

Examples

This example creates a ZIP file archive test.zip and add the file test.txt encrypted using the AES 256 method.

Example #1 Archive and encrypt a file


<?php
$zip = new ZipArchive();
if ($zip->open('test.zip', ZipArchive::CREATE) === TRUE) {
    $zip->setPassword('secret');
    $zip->addFile('text.txt');
    $zip->setEncryptionName('text.txt', ZipArchive::EM_AES_256);
    $zip->close();
    echo "Ok\n";
} else {
    echo "KO\n";
}
?>