고객관리
호텔 라이언의 전체 고객 목록을 나타냅니다.
Warning: Undefined variable $conn in /hosting/darkkcy/html/customer.php on line 27
Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /hosting/darkkcy/html/customer.php:27 Stack trace: #0 /hosting/darkkcy/html/customer.php(27): mysqli_query() #1 {main} thrown in /hosting/darkkcy/html/customer.php on line 27
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