diff --git a/public/static/js/game.js b/public/static/js/game.js
index d5e8f09..c548434 100644
--- a/public/static/js/game.js
+++ b/public/static/js/game.js
@@ -340,7 +340,7 @@ const GameType = Object.freeze({ 'SINGLE': 0, 'MULTI': 1, 'CHALLENGE': 2 });
                     Game.guess();
                 });
             }
-            
+
         },
 
         displayRestrictions: function () {
@@ -399,7 +399,7 @@ const GameType = Object.freeze({ 'SINGLE': 0, 'MULTI': 1, 'CHALLENGE': 2 });
             Game.timeoutEnd = null;
         },
 
-        hideRestrictions: function() {
+        hideRestrictions: function () {
             var restrictions = document.getElementById('restrictions');
             if (restrictions) {
                 var header = restrictions.parentNode;
@@ -957,7 +957,7 @@ const GameType = Object.freeze({ 'SINGLE': 0, 'MULTI': 1, 'CHALLENGE': 2 });
 
         },
 
-        showHighscores: function() {
+        showHighscores: function () {
 
             if (Game.type == GameType.CHALLENGE) {
                 var highscores = this.calculateHighScores();
diff --git a/src/Controller/GameController.php b/src/Controller/GameController.php
index 5248137..56aa673 100644
--- a/src/Controller/GameController.php
+++ b/src/Controller/GameController.php
@@ -208,7 +208,7 @@ class GameController implements ISecured
 
         $room = $this->multiRoomRepository->getByRoomId($roomId);
 
-        if(!isset($room)) {
+        if (!isset($room)) {
             return new JsonContent(['error' => 'game_not_found']);
         }
 
@@ -265,7 +265,7 @@ class GameController implements ISecured
             return new JsonContent(['error' => 'game_not_found']);
         }
 
-        if(!$this->userInChallengeRepository->isUserParticipatingInChallenge($userId, $challenge)) {
+        if (!$this->userInChallengeRepository->isUserParticipatingInChallenge($userId, $challenge)) {
             // new player is joining
             $userInChallenge = new UserInChallenge();
             $userInChallenge->setUserId($userId);
diff --git a/src/Controller/GameFlowController.php b/src/Controller/GameFlowController.php
index 220c704..fdbf379 100644
--- a/src/Controller/GameFlowController.php
+++ b/src/Controller/GameFlowController.php
@@ -309,9 +309,9 @@ class GameFlowController implements ISecured
         $session = $this->request->session();
         $userId = $session->get('userId');
 
-        if(isset($userId)) {
+        if (isset($userId)) {
             $userPlayedPlace = $this->userPlayedPlaceRepository->getByUserIdAndPlaceId($userId, $placeId);
-            if(!$userPlayedPlace) {
+            if (!$userPlayedPlace) {
                 $userPlayedPlace = new UserPlayedPlace();
                 $userPlayedPlace->setUserId($userId);
                 $userPlayedPlace->setPlaceId($placeId);
@@ -415,7 +415,7 @@ class GameFlowController implements ISecured
             $response['restrictions']['timeLimit'] = $timeLimit * 1000;
         }
 
-        if(isset($response['history'][$currentRound]['allResults'])) {
+        if (isset($response['history'][$currentRound]['allResults'])) {
             $response['allResults'] = $response['history'][$currentRound]['allResults'];
         }
 
diff --git a/src/Database/Query/Select.php b/src/Database/Query/Select.php
index d62bd84..f9c2879 100644
--- a/src/Database/Query/Select.php
+++ b/src/Database/Query/Select.php
@@ -261,7 +261,7 @@ class Select
             $queryString .= ' LIMIT ' . $this->limit[1] . ', ' . $this->limit[0];
         }
 
-        if($this->isDerivedTable()) {
+        if ($this->isDerivedTable()) {
             $queryString = '(' . $queryString . ') AS ' . $this->tableAliases[Select::DERIVED_TABLE_KEY];
         }
 
@@ -276,7 +276,7 @@ class Select
             return [(string) $table, $params];
         }
 
-        if($table instanceof Select)
+        if ($table instanceof Select)
         {
             return $table->generateQuery();
         }
@@ -332,7 +332,7 @@ class Select
         $joinQueries = [];
         $params = [];
 
-        foreach($this->joins as $join) {
+        foreach ($this->joins as $join) {
             list($joinQueryFragment, $paramsFragment) = $this->generateTable($join[1], true);
             $joinQueries[] = $join[0] . ' JOIN ' . $joinQueryFragment . ' ON ' . $this->generateColumn($join[2]) . ' ' . $join[3] . ' ' . $this->generateColumn($join[4]);
             $params = array_merge($params, $paramsFragment);
diff --git a/src/PersistentData/Model/Challenge.php b/src/PersistentData/Model/Challenge.php
index 6b159f0..4e61cc9 100644
--- a/src/PersistentData/Model/Challenge.php
+++ b/src/PersistentData/Model/Challenge.php
@@ -33,7 +33,7 @@ class Challenge extends Model
 
     public function setTimeLimit(?int $timeLimit): void
     {
-        if(isset($timeLimit)) {
+        if (isset($timeLimit)) {
             $this->timeLimit = $timeLimit;
         }
     }
diff --git a/src/PersistentData/Model/UserInChallenge.php b/src/PersistentData/Model/UserInChallenge.php
index 1b636e9..0b74c9c 100644
--- a/src/PersistentData/Model/UserInChallenge.php
+++ b/src/PersistentData/Model/UserInChallenge.php
@@ -49,7 +49,7 @@ class UserInChallenge extends Model
 
     public function setTimeLeft(?int $timeLeft): void
     {
-        if(isset($timeLeft)) {
+        if (isset($timeLeft)) {
             $this->timeLeft = max(0, $timeLeft);
         }
     }