csvxml/index3.php

<?PHP
declare(strict_types = 1);
require_once __DIR__ . "/functions/functions.php";

echo printHTMLHead();

echo '<div class="maincontent">';
$semikoma = $_GET['semikoma'];
      echo 'Please wait ... (checking validity)';
  echo '<form action="index.php" style="margin:0px;padding:0px;">';
  echo '<input type="submit" value="Reload" />';
echo '</form>';
      require 'csv_check.php';
echo '</div>';
echo '

</body>
</html>
';