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Warning: Use of undefined constant DB_USER - assumed 'DB_USER' (this will throw an Error in a future version of PHP) in E:\phpstudy_pro\WWW\2020fyf\index.php on line 12

Warning: Use of undefined constant DB_PWD - assumed 'DB_PWD' (this will throw an Error in a future version of PHP) in E:\phpstudy_pro\WWW\2020fyf\index.php on line 12

Warning: Use of undefined constant DB_DATABASE - assumed 'DB_DATABASE' (this will throw an Error in a future version of PHP) in E:\phpstudy_pro\WWW\2020fyf\index.php on line 12
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