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<?php require_once 'lib/core.php'; if (isset($_POST['name'])) { $name = $_POST['name']; $sql = "INSERT INTO user_group(name) VALUES ('$name')"; if ($conn->query($sql) === true) { echo 'success'; } else { echo 'error'; } } // =======================delete======================= if (isset($_REQUEST['delete_id'])) { $delete_id = $_REQUEST['delete_id']; $query = "DELETE FROM user_group WHERE group_id = " . $delete_id; if ($conn->query($query)) { $query = $conn->query("DELETE FROM admin_login WHERE role = " . $delete_id); echo "Success"; } }