Unzip an Encrypted Zip

Demonstrates how to open an encrypted .zip archive and unzip.

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;
}

//  Set the password required for decrypting.
$zip->DecryptPassword = 'myPassword';

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

//  Returns the number of files and directories unzipped.
$unzipCount = $zip->Unzip('c:/unzipDir');
if ($unzipCount < 0) {
    print $zip->lastErrorText() . "\n";
}
else {
    print 'Success!' . "\n";
}

?>