Use PHP while() only to return the first few values.

Question

I am using PHP while() to fetch the results of a database query.

while($results = mysql_fetch_array( $galleryresult )) { // show the results };

However, I would like to paginate the results if they exceed a certain number of entries. So for example if there are more than 12 entries returned, only the first 12 will be shown.

1) How can I adapt while() so only the first 12 entries are returned on the first page.

2) Then how can I adapt while() so the 13th-24th result are returned on the second page and so on.

Answer 1

Modify the query such that only 12 entries are in the result set. That way you do not need to modify the while loop.

Add a parameter to the URL, that tells the script the offset that should be used in the SQL query.

Create a query that counts the total number of results. Use this to determine how many pages should be displayed in the pager.