Calling another increment/decrement if add() return FALSE.

Signed-off-by: tianhe1986 <w1s2j3229@163.com>

1 files changed, 2 insertions, 4 deletions

diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index cbf874b97..8b6af84db 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -212,8 +212,7 @@ class CI_Cache_memcached extends CI_Driver {
 	{
 		if (($result = $this->_memcached->increment($id, $offset)) === FALSE)
 		{
-			$this->_memcached->add($id, 0);
-			$result = $this->_memcached->increment($id, $offset);
+			return $this->_memcached->add($id, $offset) ? $offset : $this->_memcached->increment($id, $offset);
 		}
 
 		return $result;
@@ -232,8 +231,7 @@ class CI_Cache_memcached extends CI_Driver {
 	{
 		if (($result = $this->_memcached->decrement($id, $offset)) === FALSE)
 		{
-			$this->_memcached->add($id, 0);
-			$result = $this->_memcached->decrement($id, $offset);
+			return $this->_memcached->add($id, 0) ? 0 : $this->_memcached->decrement($id, $offset);
 		}
 
 		return $result;