PHP

OCSP Check Domain's Server Certificate Revocation Status

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Sends an OCSP request to determine the revocation status for an SSL server certificate. Chilkat2 PHP

<?php

use Chilkat2\Http;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

$http = new Http();

// Check the revocation status of the SSL server certificate for chilkatsoft.com
$status = $http->OcspCheck('chilkatsoft.com', 443);

echo 'chilkatsoft.com status = ', $status, "\n";

// The status can have 4 values:
// -1: Unable to check because of an error.
//  0: Good
//  1: Revoked
//  2: Unknown

if ($status < 0) {
    echo $http->LastErrorText, "\n";
}

// Now check the status for a revoked server certificate.
$status = $http->OcspCheck('revoked.badssl.com', 443);

echo 'revoked.badssl.com status = ', $status, "\n";