<?php
require_once __DIR__ . '/qrcode_generator.php';

$srNo = 38;
echo "SR NO value: " . $srNo . "\n";
echo "Formatted SR NO: " . formatProductSRNo($srNo) . "\n";
echo "Empty check: " . (empty($srNo) ? 'TRUE (empty)' : 'FALSE (not empty)') . "\n";
echo "\nHTML output would be:\n";
?>
<p style="font-size:12px; color:#333; margin:8px 0; font-weight:600;">SR NO: <strong style="color:#F07E2D;"><?php echo formatProductSRNo($srNo); ?></strong></p>
<?php
?>
