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PHP

Get Certificate Subject Part by Name or OID

Demonstrates the GetSubjectPart method where a name or OID can be passed.

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Chilkat2 PHP
<?php

use Chilkat2\Cert;

$cert = new Cert();

try {
    $cert->LoadByCommonName('myCert');
} catch (\Chilkat2\Exception $e) {
    echo $e->getMessage(), "\n";
    exit;
}

// This example demonstrates getting the SERIALNUMBER part of the subject,
// if one such part exists in the cert's subject.
// Not too many certicates include the serial number in the Subject.
// (Chilean issued certificates for SII is one such case where the SERIALNUMBER part exists within the Subject.)
try {
    $serialNum = $cert->GetSubjectPart('SERIALNUMBER');
} catch (\Chilkat2\Exception $e) {
    echo "No SERIALNUMBER part exists.\n";
    exit;
}

echo $serialNum, "\n";

// We could also get the part by the OID.
// See https://oidref.com/2.5.4.5 for a list of OID's in the 2.5.4.* range..
// The OID for SERIALNUMBER is "2.5.4.5"
try {
    $serialNum = $cert->GetSubjectPart('2.5.4.5');
} catch (\Chilkat2\Exception $e) {
    echo "No SERIALNUMBER part exists.\n";
    exit;
}

echo $serialNum, "\n";