gistfile1.php

<?php

$certificate = null;
$certificatePass = 'MyCertPassHere';
$pfxCertificate = '/path/to/cert/fiskal-demo-aplikativni.pfx';
 
openssl_pkcs12_read(file_get_contents($pfxCertificate), $certificate, $certificatePass);
 
$publicCertificate = $certificate['cert'];
$privateKey = $certificate['pkey'];
 
$privateKeyResource = openssl_pkey_get_private($privateKey, $certificatePass);
$publicCertificateData = openssl_x509_parse($publicCertificate);