^ array:11 [
  "tpl" => "plugins/tphp/demo/html/www"
  "conn" => "demo"
  "icon" => "static/plugins/tphp/demo/favicon.ico"
  "test" => "test"
  "test2" => "测试2 - 被覆盖了"
  "test3" => "测试3 - 新字段"
  "test4" => "测试4 - 新字段"
  "plu" => array:1 [
    "dir" => "tphp/demo"
  ]
  "key" => "plu.tphp.com"
  "url" => "index/domain"
  "user" => array:2 [
    "conn" => "demo"
    "table" => "admin"
  ]
]

^ array:3 [
  "demo" => array:10 [
    "driver" => "mysql"
    "host" => "127.0.0.1"
    "database" => "demo"
    "port" => 3355
    "username" => "tphp"
    "password" => "MyWeb@336296"
    "charset" => "utf8"
    "collation" => "utf8_unicode_ci"
    "strict" => false
    "engine" => null
  ]
  "plu_test" => array:7 [
    "driver" => "mysql"
    "host" => "127.0.0.1"
    "database" => "plu_test"
    "username" => "root"
    "password" => "root"
    "charset" => "utf8"
    "collation" => "utf8_unicode_ci"
  ]
  "user" => array:10 [
    "driver" => "mysql"
    "host" => "127.0.0.1"
    "database" => "demo"
    "port" => 3355
    "username" => "tphp"
    "password" => "MyWeb@336296"
    "charset" => "utf8"
    "collation" => "utf8_unicode_ci"
    "strict" => false
    "engine" => null
  ]
]