Bump minimum version of PHP to 8.1

Author: nicolas-grekas

Debug/TraceableEventDispatcher.php

@@ -222,7 +222,7 @@ public function getNotCalledListeners(Request $request = null): array
             }
         }
 
-        uasort($notCalled, [$this, 'sortNotCalledListeners']);
+        uasort($notCalled, $this->sortNotCalledListeners(...));
 
         return $notCalled;
     }

Debug/WrappedListener.php

@@ -37,7 +37,7 @@ final class WrappedListener
     public function __construct(callable|array $listener, ?string $name, Stopwatch $stopwatch, EventDispatcherInterface $dispatcher = null, int $priority = null)
     {
         $this->listener = $listener;
-        $this->optimizedListener = $listener instanceof \Closure ? $listener : (\is_callable($listener) ? \Closure::fromCallable($listener) : null);
+        $this->optimizedListener = $listener instanceof \Closure ? $listener : (\is_callable($listener) ? $listener(...) : null);
         $this->stopwatch = $stopwatch;
         $this->dispatcher = $dispatcher;
         $this->priority = $priority;

EventDispatcher.php

@@ -267,10 +267,10 @@ private function optimizeListeners(string $eventName): array
                             $listener[0] = $listener[0]();
                             $listener[1] ??= '__invoke';
                         }
-                        ($closure = \Closure::fromCallable($listener))(...$args);
+                        ($closure = $listener(...))(...$args);
                     };
                 } else {
-                    $closure = $listener instanceof \Closure || $listener instanceof WrappedListener ? $listener : \Closure::fromCallable($listener);
+                    $closure = $listener instanceof WrappedListener ? $listener : $listener(...);
                 }
             }
         }

composer.json

@@ -16,7 +16,7 @@
         }
     ],
     "require": {
-        "php": ">=8.0.2",
+        "php": ">=8.1",
         "symfony/event-dispatcher-contracts": "^2|^3"
     },
     "require-dev": {