adjust to new cs rules

Author: dbu

src/PluginChain.php

@@ -4,8 +4,6 @@
 
 namespace Http\Client\Common;
 
-use function array_reverse;
-
 use Http\Client\Common\Exception\LoopException;
 use Http\Promise\Promise;
 use Psr\Http\Message\RequestInterface;
@@ -39,7 +37,7 @@ public function __construct(array $plugins, callable $clientCallable, array $opt
     private function createChain(): callable
     {
         $lastCallable = $this->clientCallable;
-        $reversedPlugins = array_reverse($this->plugins);
+        $reversedPlugins = \array_reverse($this->plugins);
 
         foreach ($reversedPlugins as $plugin) {
             $lastCallable = function (RequestInterface $request) use ($plugin, $lastCallable) {

tests/PluginClientBuilderTest.php

@@ -4,7 +4,6 @@
 
 namespace tests\Http\Client\Common;
 
-use Closure;
 use Http\Client\Common\Plugin;
 use Http\Client\Common\PluginClient;
 use Http\Client\Common\PluginClientBuilder;
@@ -32,7 +31,7 @@ public function testPriority(string $client): void
         $client = $this->prophesize($client)->reveal();
         $client = $builder->createClient($client);
 
-        $closure = Closure::bind(
+        $closure = \Closure::bind(
             function (): array {
                 return $this->plugins;
             },
@@ -58,7 +57,7 @@ public function testOptions(string $client): void
         $client = $this->prophesize($client)->reveal();
         $client = $builder->createClient($client);
 
-        $closure = Closure::bind(
+        $closure = \Closure::bind(
             function (): array {
                 return $this->options;
             },