Verify a Zip's Password

Demonstrates how to verify the password for an encrypted or password-protected zip archive.

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;
}

//  To verify a password for a Zip, the Zip must be opened:
$success = $zip->OpenZip('myProtected.zip');
if ($success != true) {
    print $zip->lastErrorText() . "\n";
    exit;
}

//  Set the password to be verified:
$zip->DecryptPassword = 'secret';

$passwordOk = $zip->VerifyPassword();
if ($passwordOk == true) {
    print 'Password is correct.' . "\n";
}
else {
    print 'Password is incorrect.' . "\n";
}

$zip->CloseZip();

?>