Create Password Protected Zip containing a Single File.

Create a password-protected .zip containing a single file. (This uses the older Zip 2.0 encryption scheme, which is weaker and not as secure as AES encryption, which Chilkat Zip also supports.)

Download Chilkat 32-bit Zip ActiveX (.msi) (includes objects for .zip, .gz, .bz2, and .Z)

Download All 32-bit Chilkat ActiveX Components (.zip)

Download All 64-bit Chilkat ActiveX Components (.zip)

<?php

$zip = new COM("Chilkat.Zip2");

//  Any string unlocks the component for the 1st 30-days.
$success = $zip->UnlockComponent('Anything for 30-day trial');
if ($success != true) {
    print $zip->lastErrorText() . "\n";
    exit;
}

$success = $zip->NewZip('test.zip');
if ($success != true) {
    print $zip->lastErrorText() . "\n";
    exit;
}

$zip->SetPassword('secret');
$zip->PasswordProtect = true;

$saveExtraPath = false;
$success = $zip->AppendOneFileOrDir('c:/temp/hamlet.xml',$saveExtraPath);

$success = $zip->WriteZipAndClose();
if ($success != true) {
    print $zip->lastErrorText() . "\n";
    exit;
}

print 'Zip Created!' . "\n";
?>