class.ilShm.php

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<?php

require_once('./Services/GlobalCache/classes/class.ilGlobalCacheService.php');

class ilShm extends ilGlobalCacheService {

        protected static $shm_id = NULL;
        protected static $block_size = 0;


        protected function getActive() {
                self::$active = function_exists('shmop_open');
        }


        protected function getInstallable() {
                return false;
                self::$active = function_exists('shmop_open');
        }


        public function __construct($service_id, $component) {
                parent::__construct($service_id, $component);
                self::$shm_id = shmop_open(0xff3, "c", 0644, 100);
                self::$block_size = shmop_size(self::$shm_id);
        }


        public function exists($key) {
                return shm_has_var(self::$shm_id, $key);
        }


        public function set($key, $serialized_value, $ttl = NULL) {
                return shmop_write(self::$shm_id, $key, $serialized_value);
        }


        public function get($key) {
                return shmop_read(self::$shm_id, 0, self::$block_size);
        }


        public function delete($key) {
                return shm_remove_var(self::$shm_id, $key);
        }


        public function flush() {
                shmop_delete(self::$id);

                return true;
        }


        public function serialize($value) {
                return serialize($value);
        }


        public function unserialize($serialized_value) {
                return unserialize($serialized_value);
        }
}

?>