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PHP ActiveX

Get Certificate Valid To/From Dates

Demonstrates how to get the certificate "valid from" and "valid to" dates.

Chilkat PHP ActiveX Downloads

PHP ActiveX
<?php

$success = 0;

$cert = new COM("Chilkat.Cert");

$success = $cert->LoadFromFile('qa_data/certs/testCert.cer');
if ($success == 0) {
    print $cert->LastErrorText . "\n";
    exit;
}

// Get the certificate valid-from date/time
$ckdt = new COM("Chilkat.CkDateTime");
$ckdt->SetFromRfc822($cert->ValidFromStr);

// Get the local timestamp string.
print 'Valid from: ' . $ckdt->getAsTimestamp(1) . "\n";
// Valid from: 2017-03-17T19:00:00-05:00

// Now get the date/time as another object where we can get the individual numeric date parts.
$dt = new COM("Chilkat.DtObj");
$ckdt->ToDtObj(1,$dt);

print $dt->Day . '/' . $dt->Month . '/' . $dt->Year . '  ' . $dt->Hour . ':' . $dt->Minute . "\n";

// Get the certificate valid-to date/time
$ckdt->SetFromRfc822($cert->ValidToStr);

print 'Valid to: ' . $ckdt->getAsTimestamp(1) . "\n";
// Valid to: 2020-03-18T18:59:59-05:00new DtObj dt;
$ckdt->ToDtObj(1,$dt);

print $dt->Day . '/' . $dt->Month . '/' . $dt->Year . '  ' . $dt->Hour . ':' . $dt->Minute . "\n";

?>