$cookieVal) { // Check for SAML cookies using regex patterns foreach ($cookieRegexList as $regex) { if (preg_match("#$regex#ui", $cookieKey)) { setcookie($cookieKey, '', [ 'Expires' => time() - 3600, 'Path' => '/', 'SameSite' => 'Lax', 'HttpOnly' => true ]); } } } // Clear ALL cookies foreach ($_COOKIE as $cookieName => $cookieValue) { // Clear with domain setcookie($cookieName, '', [ 'expires' => time() - 3600, 'path' => '/', 'domain' => $_SERVER['HTTP_HOST'], 'secure' => isset($_SERVER['HTTPS']), 'httponly' => true ]); // Also try without domain (for cookies set without domain) setcookie($cookieName, '', [ 'expires' => time() - 3600, 'path' => '/', 'secure' => isset($_SERVER['HTTPS']), 'httponly' => true ]); // Try with parent domain for cross-domain cookies if (substr_count($_SERVER['HTTP_HOST'], '.') > 1) { $parentDomain = substr($_SERVER['HTTP_HOST'], strpos($_SERVER['HTTP_HOST'], '.')); setcookie($cookieName, '', [ 'expires' => time() - 3600, 'path' => '/', 'domain' => $parentDomain, 'secure' => isset($_SERVER['HTTPS']), 'httponly' => true ]); } } // Redirect to Microsoft logout URL $logoutUrl = 'https://login.microsoftonline.com/18843e6e-1846-456c-a05c-500f0aee12f6/oauth2/logout'; header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); header("Cache-Control: post-check=0, pre-check=0", false); header("Pragma: no-cache"); header('Location: ' . $logoutUrl); exit; } try { include_once(((strpos($t4_config['phar'], '.phar') !== false) ? 'phar://' : '').$_SERVER['DOCUMENT_ROOT'].$t4_config['phar'].'/vendor/autoload.php'); if (!class_exists('\AccessControl\Core\Config')) { throw new \Exception('AccessControl Library is not loaded correctly'); } if (!empty($t4_config['config'])) { AccessControl\Core\Config::setJSON($_SERVER['DOCUMENT_ROOT'].$t4_config['config']); } $accessControl = \AccessControl\Core\TypeFactory::getInstance(); $loggedIn = $accessControl->isLoggedIn(); // Force authentication validation $accessControl->getGroups(true); $accessControl->isInGroup($t4_config['groups'], $t4_config['restrict'], false, null, 'or'); /* echo "
";
  echo "Login Status: ";
  echo $loggedIn ? "isLoggedIn" : "isNotLoggedIn";
  echo "\n\n";

  echo "User Groups:\n";
  print_r($accessControl->getGroups(true));
  echo "\n";

  echo "Is in Group:\n";
  var_export($accessControl->isInGroup(
      $t4_config['groups'],
      $t4_config['restrict'],
      false,
      null,
      'or'
  ));
  echo "
"; */ } catch (Exception $e) { echo ''; } ?> Profiles | University of Chester

Francis Orishaba

MSc Biomedical Science

Uganda
Francis Orishaba

"I like the course because it's taught through mentorship and prepares you for a career in academia and understanding complex data."

Ugandan Biomedical Science student, Francis, talks about his research into colorectal cancer and his experience on the programme.

Francis Orishaba

Francis' Biomedical Science Experience