satishgaudo.com

class Cache
{
/**
* Resources of the opend memcached connections
* @var array [memcache objects]
*/
var $mc_servers = array();
/**
* Quantity of servers used
* @var int
*/
var $mc_servers_count;
 
var $servers = array(
//array of memcache servers
array('192.168.0.217'=>'11211')
 
);
/**
* Accepts the 2-d array with details of memcached servers
*
* @param array $servers
*/
var $memObj;
function Cache(){
$this->memObj = new Memcache;
if($this->memObj === false)
{
return false;
}
foreach($this->servers as $key=>$val)
{
$this->memObj->addServer(key($val),current($val),false,1,1,-1,TRUE);
}
}
 
/**
* Clear the cache
*
* @return void
*/
function flush() {
if($this->memObj)
{
$this->memObj->flush();
}
}
 
/**
* Returns the value stored in the memory by it's key
*
* @param string $key
* @return mix
*/
function get($key) {
if (is_array($key)) {
$dest = array();
foreach ($key as $subkey) {
$val = $this->memObj->get($subkey);
if (!($val === false)) $dest[$subkey] = $val;
}
return $dest;
} else {
 
return $this->memObj->get($key);
}
}
 
/**
* Store the value in the memcache memory (overwrite if key exists)
*
* @param string $key
* @param mix $var
* @param bool $compress
* @param int $expire (seconds before item expires)
* @return bool
*/
function set($key, $var, $compress=0, $expire=0) {
if($this->memObj)
{
return $this->memObj->set($key, $var, $compress?MEMCACHE_COMPRESSED:null, $expire);
}
}
/**
* Set the value in memcache if the value does not exist; returns FALSE if value exists
*
* @param sting $key
* @param mix $var
* @param bool $compress
* @param int $expire
* @return bool
*/
function add($key, $var, $compress=0, $expire=0) {
if($this->memObj)
{
return $this->memObj->add($key, $var, $compress?MEMCACHE_COMPRESSED:null, $expire);
}
}
 
/**
* Replace an existing value
*
* @param string $key
* @param mix $var
* @param bool $compress
* @param int $expire
* @return bool
*/
function replace($key, $var, $compress=0, $expire=0) {
if($this->memObj)
{
return $this->memObj->replace($key, $var, $compress?MEMCACHE_COMPRESSED:null, $expire);
}
}
/**
* Delete a record or set a timeout
*
* @param string $key
* @param int $timeout
* @return bool
*/
function delete($key, $timeout=0) {
if($this->memObj)
{
return $this->memObj->delete($key, $timeout);
}
}
/**
* Increment an existing integer value
*
* @param string $key
* @param mix $value
* @return bool
*/
function increment($key, $value=1) {
if($this->memObj)
{
return $this->memObj->increment($key, $value);
}
}
/**
* Decrement an existing value
*
* @param string $key
* @param mix $value
* @return bool
*/
function decrement($key, $value=1) {
if($this->memObj)
{
return $this->memObj->decrement($key, $value);
}
}
//class end
}