module shop, flash message

kernel/FormModel.php

@@ -42,7 +42,7 @@ class FormModel
 
     public function getItem(string $name)
     {
-        if (isset($this->data[$name])){
+        if (isset($this->data[$name])) {
             return $this->data[$name];
         }
 
@@ -64,4 +64,19 @@ class FormModel
         return $this->validator->getProcessedErrors();
     }
 
+    public function getErrorsStr(): string
+    {
+        $errorsArr = $this->getErrors();
+        $str = '';
+        if ($errorsArr['errors']) {
+            foreach ($errorsArr['errors'] as $key => $errorArr) {
+                foreach ($errorsArr['errors'][$key] as $error){
+                    $str .= "$error <br>";
+                }
+            }
+        }
+
+        return $str;
+    }
+
 }