Issue #3446634 by ptmkenny: On log page, invalid enum value

src/Form/FirebasePhpConfigurationForm.php

@@ -59,11 +59,7 @@ class FirebasePhpConfigurationForm extends ConfigFormBase {
       '#type' => 'select',
       '#title' => $this->t('Logging Level'),
       '#description' => $this->t('Choose the level of detail to be logged to Drupal.'),
-      '#options' => [
-        LoggingLevel::Debug->value,
-        LoggingLevel::Standard->value,
-        LoggingLevel::None->value,
-      ],
+      '#options' => $this->getLoggingOptions(),
       '#default_value' => $config->get(FirebasePhpSettings::LoggingLevel->value),
       '#required' => TRUE,
     ];
@@ -111,4 +107,18 @@ class FirebasePhpConfigurationForm extends ConfigFormBase {
 
   }
 
+  /**
+   * Get the logging level options.
+   *
+   * @return array
+   *   List of options, keyed by logging level.
+   */
+  protected function getLoggingOptions(): array {
+    return [
+      LoggingLevel::Debug->value => LoggingLevel::Debug->value,
+      LoggingLevel::Standard->value => LoggingLevel::Standard->value,
+      LoggingLevel::None->value => LoggingLevel::None->value,
+    ];
+  }
+
 }