#### p() 格式化输出函数 示例 ~~~ p($_G); ~~~ 结果 ~~~ Array ( [config] => Array ( [DEFAULT_PAGE] => 10 [HTTP] => http [MASTER] => app [ADDONS] => addons [TPL] => tpl [TPL_DEFAULT] => bootstrap [TPL_STATUS] => [ATTACHMENT] => attachment ) [database] => Array ( [database_type] => mysql [database_name] => calfbaby [server] => 127.0.0.1 [username] => root [password] => 123456 [charset] => utf8 [port] => 3306 [prefix] => calf_ ) [APP_URL] => http://test.jkb.com/index.php [APP] => http://test.jkb.com/ [ATTACHMENT_ROOT] => http://test.jkb.com/attachment ) ~~~