SA fix

Author: Slamdunk

phpunit.xml

@@ -4,8 +4,9 @@
         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
         colors="true"
         cacheDirectory=".phpunit.cache"
-        displayDetailsOnPhpunitDeprecations="true"
-        displayDetailsOnTestsThatTriggerDeprecations="true"
+        failOnAllIssues="true"
+        displayDetailsOnAllIssues="true"
+        beStrictAboutChangesToGlobalState="true"
 >
   <coverage>
     <report>

tests/ErrorHandlerTest.php

@@ -189,8 +189,10 @@ public function testEmailException(): void
         $this->errorHandler->emailException($this->exception);
 
         self::assertNotEmpty($this->emailsSent);
-        $message     = \current($this->emailsSent);
+        $message     = $this->emailsSent[0];
+        self::assertIsArray($message);
         $messageText = $message['body'];
+        self::assertIsString($messageText);
         self::assertStringContainsString($this->exception->getMessage(), $messageText);
         self::assertStringContainsString($_SESSION[$key], $messageText);
         self::assertStringContainsString($_POST[$key], $messageText);