From 69a0ed6d2ff80ff25f9a00c9ce7b10ff93d50abc Mon Sep 17 00:00:00 2001
From: Daniele Alessandri <suppakilla@gmail.com>
Date: Sat, 22 May 2010 12:27:14 +0200
Subject: [PATCH] Suppress PHP notices in
 Predis\ConnectionCluster::getConnectionById() if the specified connection
 alias/index does not exist.

---
 lib/Predis.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Predis.php b/lib/Predis.php
index 2723c249..daca16ca 100644
--- a/lib/Predis.php
+++ b/lib/Predis.php
@@ -1295,7 +1295,8 @@ class ConnectionCluster implements IConnection, \IteratorAggregate {
     }
 
     public function getConnectionById($id = null) {
-        return $this->_pool[$id ?: 0];
+        $alias = $id ?: 0;
+        return isset($this->_pool[$alias]) ? $this->_pool[$alias] : null;
     }
 
     public function getIterator() {