Someone told me that the problem with the following script (I'm trying to get the sum of $a and $b printed) was that I didn't add quotation marks: (I didn't fully understand what I was advised)
<?php
$sum = $a + $b;
echo $sum
?>
So does that mean I simply alter the second line down to...
$sum = "$a + $b";
?? Then will echo $sum display the sum of the two added together?
Cheers, Andy :o)