handle error results of DateTime::modify()

Depending on the version of PHP the modify() method will either throw an
exception or issue a warning.

Author: xabbuh

src/Symfony/Component/RateLimiter/RateLimiterFactory.php

@@ -68,19 +68,21 @@ public function create(?string $key = null): LimiterInterface
     protected static function configureOptions(OptionsResolver $options): void
     {
         $intervalNormalizer = static function (Options $options, string $interval): \DateInterval {
-            try {
-                // Create DateTimeImmutable from unix timesatmp, so the default timezone is ignored and we don't need to
-                // deal with quirks happening when modifying dates using a timezone with DST.
-                $now = \DateTimeImmutable::createFromFormat('U', time());
+            // Create DateTimeImmutable from unix timesatmp, so the default timezone is ignored and we don't need to
+            // deal with quirks happening when modifying dates using a timezone with DST.
+            $now = \DateTimeImmutable::createFromFormat('U', time());
 
-                return $now->diff($now->modify('+'.$interval));
-            } catch (\Exception $e) {
-                if (!preg_match('/Failed to parse time string \(\+([^)]+)\)/', $e->getMessage(), $m)) {
-                    throw $e;
-                }
+            try {
+                $nowPlusInterval = @$now->modify('+' . $interval);
+            } catch (\DateMalformedStringException $e) {
+                throw new \LogicException(\sprintf('Cannot parse interval "%s", please use a valid unit as described on https://www.php.net/datetime.formats.relative.', $interval), 0, $e);
+            }
 
-                throw new \LogicException(sprintf('Cannot parse interval "%s", please use a valid unit as described on https://www.php.net/datetime.formats.relative.', $m[1]));
+            if (!$nowPlusInterval) {
+                throw new \LogicException(\sprintf('Cannot parse interval "%s", please use a valid unit as described on https://www.php.net/datetime.formats.relative.', $interval));
             }
+
+            return $now->diff($nowPlusInterval);
         };
 
         $options