info

返回当前数据库连接信息。

返回值

print_r($database->info());

/*
示例输出：
Array
(
	[server] => Uptime: 5074 Threads: 1 Questions: 15 Slow queries: 0 Opens: 67 Flush tables: 1
		Open tables: 60 Queries per second avg: 0.002
	[client] => mysqlnd 5.0.10 - 20111026 - $Id: e707c415db32080b3752b232487a435ee0372157 $
	[driver] => mysql
	[version] => 5.6.10
	[connection] => localhost via TCP/IP
	[dsn] => mysql:dbname=test;host=127.0.0.1
)
*/