feat: add validation_list_errors() in Form helper

system/Helpers/form_helper.php

@@ -9,6 +9,7 @@
  * the LICENSE file that was distributed with this source code.
  */
 
+use CodeIgniter\Validation\Exceptions\ValidationException;
 use Config\App;
 use Config\Services;
 
@@ -711,6 +712,26 @@ function validation_errors(): array
     }
 }
 
+if (! function_exists('validation_list_errors')) {
+    /**
+     * Returns the rendered HTML of the validation errors.
+     *
+     * See Validation::listErrors()
+     */
+    function validation_list_errors(string $template = 'list'): string
+    {
+        $config = config('Validation');
+        $view   = Services::renderer();
+
+        if (! array_key_exists($template, $config->templates)) {
+            throw ValidationException::forInvalidTemplate($template);
+        }
+
+        return $view->setVar('errors', validation_errors())
+            ->render($config->templates[$template]);
+    }
+}
+
 if (! function_exists('parse_form_attributes')) {
     /**
      * Parse the form attributes

system/Validation/Validation.php

@@ -500,6 +500,8 @@ public function setRuleGroup(string $group)
 
     /**
      * Returns the rendered HTML of the errors as defined in $template.
+     *
+     * You can also use validation_list_errors() in Form helper.
      */
     public function listErrors(string $template = 'list'): string
     {

tests/system/Helpers/FormHelperTest.php

@@ -943,6 +943,16 @@ public function testValidationErrorsFromValidation()
         $this->assertSame(['id' => 'The ID field is required.'], validation_errors());
     }
 
+    public function testValidationListErrors()
+    {
+        $validation = Services::validation();
+        $validation->setRule('id', 'ID', 'required')->run([]);
+
+        $html = validation_list_errors();
+
+        $this->assertStringContainsString('<li>The ID field is required.</li>', $html);
+    }
+
     public function testFormParseFormAttributesTrue()
     {
         $expected = 'readonly ';