Apply fixes from StyleCI

Author: SkepticalHippo

src/Illuminate/Redis/Connectors/PhpRedisConnector.php

@@ -92,7 +92,7 @@ protected function createClient(array $config)
      */
     protected function establishConnection($client, array $config)
     {
-        if($config['persistent'] ?? false) {
+        if ($config['persistent'] ?? false) {
             $this->establishPersistentConnection($client, $config);
         } else {
             $this->establishRegularConnection($client, $config);
@@ -112,7 +112,7 @@ protected function establishPersistentConnection($client, array $config)
             $config['host'],
             $config['port'],
             Arr::get($config, 'timeout', 0.0),
-            Arr::get($config, 'persistent_id', NULL)
+            Arr::get($config, 'persistent_id', null)
         );
     }
 
@@ -129,7 +129,7 @@ protected function establishRegularConnection($client, array $config)
             $config['host'],
             $config['port'],
             Arr::get($config, 'timeout', 0.0),
-            Arr::get($config, 'reserved', NULL),
+            Arr::get($config, 'reserved', null),
             Arr::get($config, 'retry_interval', 0)
         );
     }

tests/Redis/RedisConnectionTest.php

@@ -615,7 +615,7 @@ public function connections()
                     'options' => ['prefix' => 'laravel:'],
                     'timeout' => 0.5,
                     'persistent' => true,
-                    'persistent_id' => 'laravel'
+                    'persistent_id' => 'laravel',
                 ],
             ]);