upgrade

main/inc/lib/formvalidator/Rule/CompareFields.php

@@ -0,0 +1,35 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * QuickForm rule to check a date.
+ */
+class HTML_QuickForm_Compare_Fields extends HTML_QuickForm_Rule_Compare
+{
+    /**
+     * Function to check an array of fields.
+     *
+     * @param   array of field names
+     * @param   string operator ==, >=, etc
+     * @param   string the value to compare
+     *
+     * @return bool True if date is valid
+     */
+    public function validate($values = [], $operator_and_max_value = null)
+    {
+        if (is_array($values) && !empty($values) && !empty($operator_and_max_value)) {
+            $final_value = 0;
+            foreach ($values as $value) {
+                $value = (float) $value;
+                $final_value += $value;
+            }
+            $params = explode('@', $operator_and_max_value);
+            $operator = $params[0];
+            $max_value = $params[1];
+
+            return parent::validate([$final_value, $max_value], $operator);
+        }
+
+        return false;
+    }
+}