(PHP Extension) Find Certificate by Subject CN (Common Name)

See more Cert Store Examples

Demonstrates how to find a certificate having the specified subject CN.

Note: Requires Chilkat v10.1.2 or later.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

include("chilkat.php");
// Use "chilkat_9_5_0.php" for versions of Chilkat < 10.0.0

$certStore = new CkCertStore();

// This opens the Current User certificate store on Windows,
// On MacOS and iOS it opens the default Keychain.
$readOnly = false;
$success = $certStore->OpenCurrentUserStore($readOnly);
if ($success == false) {
    print $certStore->lastErrorText() . "\n";
    exit;
}

// Find the certificate having a Subject CN = "Example ABC".
$json = new CkJsonObject();
$json->UpdateString('CN','Example ABC');

$cert = new CkCert();
$success = $certStore->FindCert($json,$cert);
if ($success == true) {
    // Show the full distinguished name of the certificate.
    print 'Found: ' . $cert->subjectDN() . "\n";
}
else {
    print 'Not found.' . "\n";
}


?>