Client: close() on destruct

composer.json

@@ -1,6 +1,6 @@
 {
   "name": "ch1p/jobd-client",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "repositories": [
     {
       "type": "git",

src/Client.php

@@ -38,6 +38,13 @@ class Client {
         $this->lastOutgoingRequestNo = mt_rand(1, self::REQUEST_NO_LIMIT);
     }
 
+    /**
+     * JobdClient destructor.
+     */
+    public function __destruct() {
+        $this->close();
+    }
+
     /**
      * @return ResponseMessage
      * @throws \Exception
@@ -331,7 +338,11 @@ class Client {
      * @return bool
      */
     public function close() {
-        return fclose($this->sock);
+        if (!$this->sock)
+            return;
+
+        fclose($this->sock);
+        $this->sock = null;
     }
 
 }