Phan and phpstan fixes

Note that ACL\Login FIXME will be fixed later do not change any current
functionality

www/lib/Error.Handling.php

@@ -25,8 +25,13 @@ declare(strict_types=1);
  * @return bool                  True, so cought errors do not get processed
  *                               by the PHP error engine
  */
-function MyErrorHandler(int $type, string $message, string $file, int $line, array $context): bool
-{
+function MyErrorHandler(
+	int $type,
+	string $message,
+	string $file,
+	int $line,
+	array $context = []
+): bool {
 	if (!(error_reporting() & $type) && SHOW_ALL_ERRORS == false) {
 		// This error code is not included in error_reporting
 		return false;