From 7361374dff2fbd67b0f2876d460e822c2fc30f0c Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Fri, 9 Jun 2023 01:43:11 +0200
Subject: [PATCH] [Clock] Fix MockClock::modify() on PHP 8.3

---
 src/Symfony/Component/Clock/MockClock.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Symfony/Component/Clock/MockClock.php b/src/Symfony/Component/Clock/MockClock.php
index a189ff54c4dc9..db22e26b3771e 100644
--- a/src/Symfony/Component/Clock/MockClock.php
+++ b/src/Symfony/Component/Clock/MockClock.php
@@ -49,7 +49,12 @@ public function sleep(float|int $seconds): void
 
     public function modify(string $modifier): void
     {
-        if (false === $modifiedNow = @$this->now->modify($modifier)) {
+        try {
+            $modifiedNow = @$this->now->modify($modifier);
+        } catch (\DateMalformedStringException) {
+            $modifiedNow = false;
+        }
+        if (false === $modifiedNow) {
             throw new \InvalidArgumentException(sprintf('Invalid modifier: "%s". Could not modify MockClock.', $modifier));
         }