Issue #2939356 by Lendude, mediabounds, Manuel Garcia, validoll, justclint,...

Issue #2939356 by Lendude, mediabounds, Manuel Garcia, validoll, justclint, hctom: Fatal error during import translaton of workflows.workflow.editorial.yml config

core/modules/locale/src/LocaleConfigSubscriber.php

@@ -148,8 +148,8 @@ protected function processTranslatableData($name, array $config, array $translat
         continue;
       }
       if (is_array($item)) {
-        $reference_config = isset($reference_config[$key]) ? $reference_config[$key] : [];
-        $this->processTranslatableData($name, $config[$key], $item, $langcode, $reference_config);
+        $reference_config_item = isset($reference_config[$key]) ? $reference_config[$key] : [];
+        $this->processTranslatableData($name, $config[$key], $item, $langcode, $reference_config_item);
       }
       else {
         $this->saveCustomizedTranslation($name, $item->getUntranslatedString(), $item->getOption('context'), $config[$key], $langcode);

core/modules/locale/tests/modules/locale_test/config/install/locale_test.translation_multiple.yml

+test: English test
+test_multiple:
+  string: 'A string'
+  another_string: 'Another string'
+  test_after_multiple: false
+test_after_multiple:
+  string: 'After a string'
+  another_string: 'After another string'

core/modules/locale/tests/modules/locale_test/config/schema/locale_test.schema.yml

@@ -19,3 +19,40 @@ locale_test.translation:
       label: 'Test'
       # See \Drupal\Tests\locale\Kernel\LocaleConfigSubscriberTest
       translatable: true
+
+locale_test.translation_multiple:
+  type: config_object
+  label: 'translation settings'
+  mapping:
+    test:
+      type: string
+      label: 'Test'
+      # See \Drupal\Tests\locale\Kernel\LocaleConfigSubscriberTest
+      translatable: true
+    test_multiple:
+      type: mapping
+      label: 'Multiple settings'
+      mapping:
+        string:
+          type: string
+          label: 'A string'
+          translatable: true
+        another_string:
+          type: string
+          label: 'Another string'
+          translatable: true
+        test_after_multiple:
+          type: boolean
+          label: 'Test after multiple'
+    test_after_multiple:
+      type: mapping
+      label: 'Test after multiple settings'
+      mapping:
+        string:
+          type: string
+          label: 'A string'
+          translatable: true
+        another_string:
+          type: string
+          label: 'Another string'
+          translatable: true

core/modules/locale/tests/src/Kernel/LocaleConfigSubscriberTest.php

@@ -99,6 +99,7 @@ protected function setUpLocale() {
     // Set up the locale database the same way we have in the config samples.
     $this->setUpNoTranslation('locale_test.no_translation', 'test', 'Test', 'de');
     $this->setUpTranslation('locale_test.translation', 'test', 'English test', 'German test', 'de');
+    $this->setUpTranslation('locale_test.translation_multiple', 'test', 'English test', 'German test', 'de');
   }
 
   /**
@@ -111,6 +112,23 @@ public function testCreateTranslation() {
     $this->assertTranslation($config_name, 'Test (German)', 'de');
   }
 
+  /**
+   * Tests creating translations configuration with multi value settings.
+   */
+  public function testCreateTranslationMultiValue() {
+    $config_name = 'locale_test.translation_multiple';
+
+    $this->saveLanguageOverride($config_name, 'test_multiple', ['string' => 'String (German)', 'another_string' => 'Another string (German)'], 'de');
+    $this->saveLanguageOverride($config_name, 'test_after_multiple', ['string' => 'After string (German)', 'another_string' => 'After another string (German)'], 'de');
+    $strings = $this->stringStorage->getTranslations([
+      'type' => 'configuration',
+      'name' => $config_name,
+      'language' => 'de',
+      'translated' => TRUE,
+    ]);
+    $this->assertCount(5, $strings);
+  }
+
   /**
    * Tests importing community translations of shipped configuration.
    */
@@ -245,7 +263,7 @@ protected function setUpTranslation($config_name, $key, $source, $translation, $
    *   The configuration name.
    * @param string $key
    *   The configuration key.
-   * @param string $value
+   * @param string|array $value
    *   The configuration value to save.
    * @param string $langcode
    *   The language code.
@@ -446,7 +464,7 @@ protected function assertNoTranslation($config_name, $langcode) {
    *
    * @param string $config_name
    *   The configuration name.
-   * @param string $translation
+   * @param string|array $translation
    *   The translation.
    * @param string $langcode
    *   The language code.