refactor: simplify code

replace array_reduce + array_merge with array_merge(...)
replace conditional assignment with ??=

Signed-off-by: Salvatore Martire <[email protected]>

Author: salmart-dev

lib/private/Files/Config/MountProviderCollection.php

@@ -67,9 +67,7 @@ private function getUserMountsForProviders(IUser $user, array $providers): array
 		$mounts = array_map(function (IMountProvider $provider) use ($user, $loader) {
 			return $this->getMountsFromProvider($provider, $user, $loader);
 		}, $providers);
-		$mounts = array_reduce($mounts, function (array $mounts, array $providerMounts) {
-			return array_merge($mounts, $providerMounts);
-		}, []);
+		$mounts = array_merge(...array_values($mounts));
 		return $this->filterMounts($user, $mounts);
 	}
 

lib/private/Files/SetupManager.php

@@ -199,10 +199,7 @@ public function setupForUser(IUser $user): void {
 
 		$this->eventLogger->start('fs:setup:user:full', 'Setup full filesystem for user');
 
-		if (!isset($this->setupUserMountProviders[$user->getUID()])) {
-			$this->setupUserMountProviders[$user->getUID()] = [];
-		}
-
+		$this->setupUserMountProviders[$user->getUID()] ??= [];
 		$previouslySetupProviders = $this->setupUserMountProviders[$user->getUID()];
 
 		$this->setupForUserWith($user, function () use ($user) {