setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); } catch (PDOException $e) { echo "Failed to connect to the database using DSN:
$dsn
"; throw $e; } // Prepare SQL statement to UPDATE a row in the table $sql = <<prepare($sql); // Execute the SQL to INSERT within a try-catch to catch any errors. try { $stmt->execute($params); } catch (PDOException $e) { echo "

Failed to update the row, dumping details for debug.

"; echo "

Incoming \$_POST:

" . print_r($_POST, true) . "

"; echo "

The error code: " . $stmt->errorCode(); echo "

The error message:

" . print_r($stmt->errorInfo(), true) . "

"; throw $e; } // Print out the successful results echo "

Updated the row:

" . print_r($params, true) . "

"; echo "

Update another row.

"; exit(); }