enable = $this->env(); } public function get($key) { return xcache_get($key); } public function set($key, $value, $ttl = 0) { return xcache_set($key, $value, $ttl); } public function rm($key) { return xcache_unset($key); } public function clear() { return xcache_clear_cache(XC_TYPE_VAR, 0); } public function inc($key, $step = 1) { return xcache_inc($key, $step); } public function dec($key, $step = 1) { return xcache_dec($key, $step); } }