PHP How to edit database entry I just created? (basic)

In my site, I have a page to create an site page (addpage.php) and then send the user to a listing of all pages (pages.php), from which they can click on the page they'd like to edit (editp开发者_如何学编程age.php).

I do this because my editpage.php uses the page_id variable to select the page's info from the database and I don't know how to select that variable without first going to pages.php to list all those variables.

I'd like to be able to complete addpage.php and then GO DIRECTLY to editpage.php - but how do I select the page_id that will only just be created on the insert into the database?

My code on addpage.php is basically

$q = "INSERT INTO pages (page_name, page_content) VALUES ('$name', '$content' )";
$r = mysqli_query ($dbc, $q);

        if (mysqli_affected_rows($dbc) == 1) { // If it ran OK.
            // send to pages.php
        } else { // If it did not run OK.
            echo '<p>The page has NOT been added</p>';
        }

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$q = "INSERT INTO pages (page_name, page_content) VALUES ('$name', '$content' )";
$r = mysqli_query ($dbc, $q);
$id=mysql_insert_id();

   if (mysqli_affected_rows($dbc) == 1) { // If it ran OK.
        // send to pages.php
    } else { // If it did not run OK.
        echo '<p>The page has NOT been added</p>';
    }

You can check php manual.

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You have to do a query to your database, asking what've been the last inserted id. You can do this running this query:

SELECT LAST_INSERT_ID() as lastId

Then you get the value as you do with any regular query (because this is a regular query actually).

In php there's a function called mysql-insert-id which is more elgant.

Good luck!

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If you're using mysql, you can get the ID of the last insert by running the following query SELECT LAST_INSERT_ID(). This will get you the ID.