$settings
$settings : mixed||string|int
settings PHP_AUTH_USER = xcache.admin.user, default cake PHP_AUTH_PW = xcache.admin.password, default cake
init(mixed||string|int settings = array()) :
Initialize the Cache Engine
Called automatically by the cache frontend To reinitialize the settings call Cache::engine('EngineName', [optional] settings = array());
mixed||string|int | settings | array of setting for the engine |
True if the engine has been successfully initialized, false if not