Form::initialize() ignores cli/phpdbg/embed

Author: dg

src/Forms/Form.php

@@ -740,7 +740,7 @@ public static function initialize(bool $reinit = false): void
 
 		self::$defaultHttpRequest = (new Nette\Http\RequestFactory)->fromGlobals();
 
-		if (PHP_SAPI !== 'cli') {
+		if (!in_array(PHP_SAPI, ['cli', 'phpdbg', 'embed'], true)) {
 			if (headers_sent($file, $line)) {
 				throw new Nette\InvalidStateException(
 					'Create a form or call Nette\Forms\Form::initialize() before the headers are sent to initialize CSRF protection.'