Transfer to git

includes/error_handling.inc.php

@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+if (isset($_SESSION["errors"])) {
+    $errors = $_SESSION["errors"];
+
+    foreach ($errors as $error => $error_reading) {
+        ?>
+        <br>
+        <p class="error"><?php echo $error_reading ?></p>
+        <?php
+    }
+
+    unset($_SESSION["errors"]);
+}