From 0b6a90e903f57f2fb0802beae24fb6ed99831aa0 Mon Sep 17 00:00:00 2001
From: Christian Flothmann <christian.flothmann@gmail.com>
Date: Fri, 12 Apr 2024 17:46:59 +0200
Subject: [PATCH] explicitly mark nullable parameters as nullable (#175)

---
 src/Cron/CronExpression.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Cron/CronExpression.php b/src/Cron/CronExpression.php
index 216ce43..7f0dab0 100644
--- a/src/Cron/CronExpression.php
+++ b/src/Cron/CronExpression.php
@@ -148,7 +148,7 @@ public static function getAliases(): array
     /**
      * @deprecated since version 3.0.2, use __construct instead.
      */
-    public static function factory(string $expression, FieldFactoryInterface $fieldFactory = null): CronExpression
+    public static function factory(string $expression, ?FieldFactoryInterface $fieldFactory = null): CronExpression
     {
         /** @phpstan-ignore-next-line */
         return new static($expression, $fieldFactory);
@@ -179,7 +179,7 @@ public static function isValidExpression(string $expression): bool
      * @param null|FieldFactoryInterface $fieldFactory Factory to create cron fields
      * @throws InvalidArgumentException
      */
-    public function __construct(string $expression, FieldFactoryInterface $fieldFactory = null)
+    public function __construct(string $expression, ?FieldFactoryInterface $fieldFactory = null)
     {
         $shortcut = strtolower($expression);
         $expression = self::$registeredAliases[$shortcut] ?? $expression;