Get SSL Server Certificate

Demonstrates how to retrieve the SSL server certificate for a site. This method establishes an SSL/TLS connection with a web server for the purpose of retrieving the SSL certificate, which may then be examined via the Chilkat certificate API.

Download Chilkat HTTP ActiveX

<?php

$http = new COM("Chilkat.Http");

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

//  Notice:  The GetServerSslCert method is available in any
//  release dated after 7-April-2009

//  Get the SSL cert for paypal.com

// cert is a Chilkat.Cert
$cert = $http->GetServerSslCert('paypal.com',443);
if (is_null($cert)) {
    print $http->lastErrorText() . "\n";
}
else {
    print $cert->subjectDN() . "\n";

}


?>