Setting initial value with increment/decrement functions.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/system/libraries/Cache/drivers/Cache_memcached.php b/system/libraries/Cache/drivers/Cache_memcached.php
index 4836b6aed..314263d7e 100644
--- a/system/libraries/Cache/drivers/Cache_memcached.php
+++ b/system/libraries/Cache/drivers/Cache_memcached.php
@@ -210,6 +210,7 @@ class CI_Cache_memcached extends CI_Driver {
 	 */
 	public function increment($id, $offset = 1)
 	{
+		$this->_memcached->add($id, 0);
 		return $this->_memcached->increment($id, $offset);
 	}
 
@@ -224,6 +225,7 @@ class CI_Cache_memcached extends CI_Driver {
 	 */
 	public function decrement($id, $offset = 1)
 	{
+		$this->_memcached->add($id, 0);
 		return $this->_memcached->decrement($id, $offset);
 	}