patch submit...

src/classes/html.php

@@ -127,4 +127,15 @@ final class html {
     echo "</table>{$nl}"; 
   }
   
+  public static function show_errors(?array $errors = []): void {
+        if ($errors) {
+            $message = "Please correct the following errors: ";
+            $i = 0;
+            foreach($errors as $error) {
+                $i++;
+                $message .= "<br/>{$i}) " . $error;
+            }
+            echo $message;
+        }
+    }
 }