fix redis

checkers/php-redis.php

@@ -1,17 +1,5 @@
 <?php
-
-use Predis\Client as PredisClient;
-
-$r = new PredisClient([
-                'scheme'   => 'tcp',
-                'host'     => '90.156.203.247',
-                'port'     => 6379,
-                'password' => 'Ir3Roovu',
-                'database' => 15,
-            ]);
-$r->connect();
-echo $r->set('foo', 'bar'), PHP_EOL;
-// >>> OK
-
-echo $r->get('foo'), PHP_EOL;
-// >>> bar
+$redis = new Redis();
+$redis->connect('127.0.0.1', 6379);
+$redis->set('foo', 'bar');
+echo $redis->get('foo');