From e70b8ed38bf15a6b09bafb7963ed99cc0b60fc6b Mon Sep 17 00:00:00 2001
From: Daniele Alessandri <suppakilla@gmail.com>
Date: Fri, 21 May 2010 21:10:34 +0200
Subject: [PATCH] Fix an old but harmless glitch in the serialization of inline
 commands with 0 arguments.

---
 lib/Predis.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/Predis.php b/lib/Predis.php
index 2e5d88a3..c60a8fac 100644
--- a/lib/Predis.php
+++ b/lib/Predis.php
@@ -421,7 +421,10 @@ abstract class InlineCommand extends Command {
         if (isset($arguments[0]) && is_array($arguments[0])) {
             $arguments[0] = implode($arguments[0], ' ');
         }
-        return $command . ' ' . implode($arguments, ' ') . Protocol::NEWLINE;
+        return $command . (count($arguments) > 0
+            ? ' ' . implode($arguments, ' ') . Protocol::NEWLINE 
+            : Protocol::NEWLINE
+        );
     }
 }