From 689b7ccc004aff52c26d43d596505fcdbf7112fa Mon Sep 17 00:00:00 2001
From: Piotr Szymaszek <pszymaszek@gmail.com>
Date: Thu, 2 Sep 2021 11:53:34 +0200
Subject: [PATCH] More unique identifier for form fields in FormFieldExtension

---
 .travis.yml                                   |  3 +-
 .../Symfony/Form/Field/FormFieldExtension.php | 31 ++++++++++++++-----
 2 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 0382bb7..e2f6c0b 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -11,10 +11,11 @@ matrix:
 env:
   global:
     - SYMFONY_DEPRECATIONS_HELPER=weak
+      COMPOSER_MEMORY_LIMIT=-1
 
 before_script:
   - phpenv config-rm xdebug.ini
-  - COMPOSER_MEMORY_LIMIT=-1 composer update $COMPOSER_FLAGS
+  - composer update $COMPOSER_FLAGS
 
 script:
   - vendor/bin/phpcs
diff --git a/DataSource/Extension/Symfony/Form/Field/FormFieldExtension.php b/DataSource/Extension/Symfony/Form/Field/FormFieldExtension.php
index f56cd5d..3a0a524 100644
--- a/DataSource/Extension/Symfony/Form/Field/FormFieldExtension.php
+++ b/DataSource/Extension/Symfony/Form/Field/FormFieldExtension.php
@@ -110,23 +110,24 @@ public function postBuildView(FieldEvent\ViewEventArgs $event)
     public function preBindParameter(FieldEvent\ParameterEventArgs $event)
     {
         $field = $event->getField();
+        $datasource = $field->getDataSource();
+        $datasourceName = $datasource ? $datasource->getName() : null;
+        if (null === $datasourceName || '' === $datasourceName) {
+            return;
+        }
+
         $form = $this->getForm($field);
         if ($form === null) {
             return;
         }
 
-        $fieldOid = spl_object_hash($field);
+        $fieldOid = $this->getFieldHash($datasource, $field);
         $parameter = $event->getParameter();
 
         if ($form->isSubmitted()) {
             $form = $this->getForm($field, true);
         }
 
-        $datasourceName = $field->getDataSource() ? $field->getDataSource()->getName() : null;
-        if (null === $datasourceName || '' === $datasourceName) {
-            return;
-        }
-
         if ($this->hasParameterValue($parameter, $field)) {
             $this->parameters[$fieldOid] = $this->getParameterValue($parameter, $field);
 
@@ -147,8 +148,12 @@ public function preBindParameter(FieldEvent\ParameterEventArgs $event)
     public function preGetParameter(FieldEvent\ParameterEventArgs $event)
     {
         $field = $event->getField();
-        $fieldOid = spl_object_hash($field);
+        $datasource = $field->getDataSource();
+        if (null === $datasource) {
+            return;
+        }
 
+        $fieldOid = $this->getFieldHash($datasource, $field);
         if (isset($this->parameters[$fieldOid])) {
             $parameters = [];
             $this->setParameterValue($parameters, $field, $this->parameters[$fieldOid]);
@@ -167,7 +172,7 @@ protected function getForm(FieldTypeInterface $field, bool $force = false): ?For
             return null;
         }
 
-        $fieldOid = spl_object_hash($field);
+        $fieldOid = $this->getFieldHash($datasource, $field);
         if (isset($this->forms[$fieldOid]) && !$force) {
             return $this->forms[$fieldOid];
         }
@@ -350,4 +355,14 @@ private function clearParameterValue(array &$array, FieldTypeInterface $field):
     {
         unset($array[$field->getDataSource()->getName()][DataSourceInterface::PARAMETER_FIELDS][$field->getName()]);
     }
+
+    /**
+     * @param DataSourceInterface $dataSource
+     * @param object $field
+     * @return string
+     */
+    private function getFieldHash(DataSourceInterface $dataSource, $field): string
+    {
+        return spl_object_hash($dataSource) . spl_object_hash($field);
+    }
 }