Welcome to the Treehouse Community

Want to collaborate on code errors? Have bugs you need feedback on? Looking for an extra set of eyes on your latest project? Get support with fellow developers, designers, and programmers of all backgrounds and skill levels here with the Treehouse Community! While you're at it, check out some resources Treehouse students have shared here.

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and join thousands of Treehouse students and alumni in the community today.

Start your free trial

PHP PHP Basics Unit Converter Manipulating Numbers

<?php $integerOne = 1 + 5; $integerTwo = 2 - 1; $floatOne = 1.5; echo $integerOne; echo $integerTwo; ?>

Still don't know what I"m dong wrong


$integerOne = 1 + 5;
$integerTwo = 2 - 1;
$floatOne = 1.5;


1 Answer

Maxwell Newberry
Maxwell Newberry
7,693 Points

Although you're correct, what they're looking for you to do is carry out the operations separately. The compiler that checks your work first checks if you declare $integerOne to equal 1 before you operate on it. As well as the same check for $integerTwo.


// Task 1
$integerOne = 1;
$integerTwo = 2;
$floatOne = 1.5;

// Task 2
$integerOne += 5;
$integerTwo -= 1;

// Task 3
echo $integerOne * $floatOne;