public function set($key, $value, $ttl)
    {
        if (!$this->safe) {
            return false;
        }

        return apc_store($key, $value, $ttl);
    }
public function set($key, $value, $ttl)
    {
        if (!$this->safe) {
            return false;
        }

        return apc_store($key, $value, $ttl);
    }
public function set ( $ key , $ value , $ ttl ) { if ( ! $ this -> safe ) { return false ; } return apc_store ( $ key , $ value , $ ttl ) ; }
Add a value to the cache under a unique key

@param string $key Unique key to identify the data
@param mixed $value Data to store in the cache
@param int $ttl Lifetime for stored data (in seconds)
@return boolean
Add a value to the cache under a unique key