Memcache Operation class

<?PHP/** * Memcache Operation implementation * @author Timeless*/classMemcache_manage {//CI Original information    Private $_ci; Private $_memcache_prefix; Private $host; Private $port; Private $expire; Private $weight; /** * Read profile information and update * @access Public*/     Public functionMemcache$flag= ' Default ') {        //to access CodeIgniter's original resources in your custom class library, you must use the Get_instance () function. This function returns a CodeIgniter Super object.        $this->_ci = &get_instance (); //record the data in the Memcache cache configuration//memcached

/* configuration information in the memcahed.php file in the CI framework$config=Array(    //It is now a separate Memcache server that can add more than just the Mem object to add Addserver' Default ' =Array(        ' Hostname ' = ' 127.0.0.1 ', ' port ' = ' 11211 ', ' weight ' = ' 1 ',//100 minutes' Expire ' = ' 6000 ', ' memcache_prefix ' and ', '    ),); */        $this->_ci->config->load (' memcached ',FALSE,TRUE); //Get configuration file        $default _conf=$this->_ci->config->item (' Default '); $this->host =$default _conf[' hostname ']; $this->port =$default _conf[' Port ']; $this->expire =$default _conf[' Expire ']; $this->weight =$default _conf[' Weight ']; $this->_memcache_prefix =$default _conf[' Memcache_prefix ']; $this->connected_server =Array(); $this-_connect (); }    /** * Connect memcache database * @access Private*/    Private function_connect () {if(function_exists(' Memcache_connect ')) {            $this->cache =NewMemcache; $this-_connect_memcached (); }    }    /** * Add memcache Server * @access private*/    Private function_connect_memcached () {$error _display=Ini_get(' Display_errors '); $error _reporting=Ini_get(' error_reporting '); if($this->cache->addserver ($this->host,$this->port,TRUE,$this-weight)) {            $this->connected_server[] =$this-host; }        Ini_set(' error_reporting ',$error _reporting); }     Public functionGet$key) {        if(Empty($this-connected_server)) {            return false; }        return $this->cache->get ($this->key_name ($key)); }     Public functionSet$key,$data) {        if(Empty($this-connected_server)) {            return false; }        return $this->cache->set ($this->key_name ($key),$data, 0,$this-expire); }     Public functionSet_expire ($key,$data,$expire) {        if(Empty($this-connected_server)) {            return false; }        return $this->cache->set ($this->key_name ($key),$data, 0,$expire); }         Public functionReplace$key,$data) {        if(Empty($this-connected_server)) {            return false; }        return $this->cache->replace ($this->key_name ($key),$data, 0,$this-expire); }     Public functionDelete$key,$when= 0) {        if(Empty($this-connected_server)) {            return false; }        return $this->cache->delete ($this->key_name ($key),$when); }     Public function Flush() {        return $this->cache->Flush(); }    /** * @Name: Unique key value after generating MD5 encryption * @param: $key key * @return: MD5 String **/    Private functionKey_name ($key) {        return MD5(Strtolower($this->_memcache_prefix.$key)); }}

Memcache Operation class