Using PDO Objects in PHP 5 - Finding insertion IDs for database rows
As I pointed out?in the section?you just read, the PDO extension also offers a handy method, called "lastInsertId()," which?is useful in those situations where it's necessary to find out the ID of the last-inserted database row.
The implementation of the?method is?very straightforward, as you can see in the example below:
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As usual with many of my articles on PHP development, feel free to introduce your own modifications to all the hands-on examples shown here, so you can acquire?a more robust grounding in how to use the most important features offered by the PDO extension.?Fun is already guaranteed!Final thoughts
In this first part of the series, I walked you through the key points of how to use the PDO extension that comes bundled with 5.1 and up. As?was demonstrated by the?hands-on examples included in this article,?this library definitely makes working with multiple database systems a painless process.
Nonetheless, I have to admit that I'm only scratching the surface when it comes to exploring the numerous features offered by PHP Data Objects. So, considering the long way ahead of us, in the next tutorial I'm going to show you how to use this powerful PHP extension to manipulate results sets regardless of?the database system you use.
Now that you've been warned, you won't want to miss it!
