<?php $key = '0123456789ABCDEF'; echo __FILE__ . ": \n"; echo "Generated time based value: " . google_authenticator_generate($key) . "\n";
<?php $key = '0123456789ABCDEF'; echo __FILE__ . ": \n"; $generatedValue = google_authenticator_generate($key); echo "Generated time based value: " . $generatedValue . "\n"; $valid = google_authenticator_validate($key, $generatedValue); $valid = $valid ? 'true' : 'false'; echo "Valid test result: " . $valid . "\n"; $invalid = google_authenticator_validate($key, $generatedValue - 1); $invalid = $invalid ? 'true' : 'false'; echo "Inalid test result: " . $invalid . "\n";