PHP MYSQL PDO SUM of columns

Question

I\'m new to php and I\'ve searched for the past hour and read all the documentation I could find and nothing is helping. I have a table that has a bunch of rows of data. I\'

Answer 1

You're only returning one row in this instance. Modify your summed column to have an alias:

SELECT SUM(distance) AS totDistance FROM trip_logs ....

Now you can can fetch the row -

$row = $res1->fetch(PDO::FETCH_ASSOC);
echo $row['totDistance'];

No need to loop.