header('Expires: 0');

Author: skerbis

assets/relation_select.js

@@ -94,7 +94,9 @@
             const url = 'index.php?' + params.toString();
 
             // Load data
-            fetch(url)
+            fetch(url, {
+                cache: 'no-store'
+            })
                 .then(response => {
                     if (!response.ok) {
                         throw new Error('Network response was not ok');

lib/api.php

@@ -95,6 +95,9 @@ function execute()
             $options = $sql->getArray($query, $params);
 
             header('Content-Type: application/json');
+            header('Cache-Control: no-cache, no-store, must-revalidate');
+            header('Pragma: no-cache');
+            header('Expires: 0');
             echo json_encode($options);
             exit;