W3 Total Cache Error: some files appear to be missing or out of place. Please re-install plugin or remove %s.', __FILE__));
}
} else {
require_once W3TC_DIR . '/inc/define.php';
// no caching during activation
$is_installing = (defined('WP_INSTALLING') && WP_INSTALLING);
$config = w3_instance('W3_Config');
if ((!$is_installing && $config->get_boolean('dbcache.enabled')) || w3_is_dbcluster()) {
if (defined('DB_TYPE')) {
$db_driver_path = sprintf('%s/Db/%s.php', W3TC_LIB_W3_DIR, DB_TYPE);
if (file_exists($db_driver_path)) {
require_once $db_driver_path;
} else {
die(sprintf('W3 Total Cache Error: database driver doesn\'t exist: %s.', $db_driver_path));
}
}
w3_require_once(W3TC_LIB_W3_DIR . '/Db.php');
$GLOBALS['wpdb'] = W3_Db::instance();
}
}