From d6c5c7735e3207ead7759375e444bc6b72045e49 Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Wed, 5 Jan 2022 23:12:23 +0100
Subject: Validate fields by pattern and add more example fields

---
 src/App.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/App.php b/src/App.php
index a155017..1a12f6a 100644
--- a/src/App.php
+++ b/src/App.php
@@ -257,9 +257,14 @@ class App
    */
   public function validateSingleField($field)
   {
+    $value = $_POST[$field['name']] ?? '';
     $field['is_valid'] = true;
 
-    if (($field['required'] ?? false) && empty($_POST[$field['name']])) {
+    if (isset($field['required']) && empty($value)) {
+      $field['is_valid'] = false;
+    }
+
+    if (isset($field['validation']['pattern']) && preg_match_all('/' . $field['validation']['pattern'] . '/', $value) === 0) {
       $field['is_valid'] = false;
     }
 
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