"Configuration file exists."])); if (!isset($_POST) || empty($_POST)) die(json_encode(["error" => "Incorrect parameters"])); if ($_POST['method'] == "sql") { try { $conn = mysqli_connect($_POST['host'], $_POST['user'], $_POST['password'], $_POST['database']); } catch(Exception $e) { } // check connection if (mysqli_connect_errno()) die(json_encode(["error" => "Failed to connect to MySQL: " . mysqli_connect_error()])); $sql = "SHOW TABLES LIKE '".$conn->real_escape_string($_POST['table_prefix'])."%'"; // SQL query to check if table exists $result = $conn->query($sql); if ($result->num_rows > 0) die(json_encode(["warn" => "Database already has data"])); // close connection mysqli_close($conn); die(json_encode(["success" => "SQL Connection successful"])); }