Laravel version update

Laravel version update

vendor/laravel/framework/src/Illuminate/Cache/RedisLock.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace Illuminate\Cache;
+
+use Illuminate\Contracts\Cache\Lock as LockContract;
+
+class RedisLock extends Lock implements LockContract
+{
+    /**
+     * The Redis factory implementation.
+     *
+     * @var \Illuminate\Redis\Connections\Connection
+     */
+    protected $redis;
+
+    /**
+     * Create a new lock instance.
+     *
+     * @param  \Illuminate\Redis\Connections\Connection  $redis
+     * @param  string  $name
+     * @param  int  $seconds
+     * @return void
+     */
+    public function __construct($redis, $name, $seconds)
+    {
+        parent::__construct($name, $seconds);
+
+        $this->redis = $redis;
+    }
+
+    /**
+     * Attempt to acquire the lock.
+     *
+     * @return bool
+     */
+    public function acquire()
+    {
+        $result = $this->redis->setnx($this->name, 1);
+
+        if ($result === 1 && $this->seconds > 0) {
+            $this->redis->expire($this->name, $this->seconds);
+        }
+
+        return $result === 1;
+    }
+
+    /**
+     * Release the lock.
+     *
+     * @return void
+     */
+    public function release()
+    {
+        $this->redis->del($this->name);
+    }
+}