add connection close

src/Socket.php

@@ -36,15 +36,20 @@ class Socket
     {
         if (self::isHost($host) && self::isPort($port))
         {
-            return is_resource(
-                @fsockopen(
+            $connection = @fsockopen(
                 $host,
                 $port,
                 $error_code,
                 $error_message,
                 $timeout
-                )
             );
+
+            if (is_resource($connection))
+            {
+                return fclose(
+                    $connection
+                );
+            }
         }
 
         return false;