Insert into 2 tables from 1 form. Mysql Transaction?

Question

The user will create an article and submit an image with it.

+The article will go to the articles table.

+The image will go to images table (so that it can

Answer 1

$mysqli->query("START TRANSACTION");
$stmt = $mysqli->prepare('INSERT INTO articles(article_title, article_text, article_date) VALUES (?, ?, NOW())');
$stmt->bind_param('ss', $_POST['article_name'], $_POST['description']);
$stmt->execute();
$stmt = $mysqli->prepare('INSERT INTO images (article_id, image_caption) VALUES(LAST_INSERT_ID(),?)');
$stmt->bind_param('s', $_POST['image_caption']);
$stmt->execute();
$stmt->close();
$mysqli->query("COMMIT");