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 Daily Exercise Program String Manipulation

how to add two variables to make a single line string?

Create a third variable named fullName that combines the $firstName and $lastName variables to make the string Rasmus Lerdorf.

index.php
<?php

//Place your code below this comment
$firstName='Rasmus';
$lastName='Lerdorf';
$fullName .= $firstName;

$fullName .= $lastName;
?>

1 Answer

Steven Parker
Steven Parker
231,268 Points

Use a plain assignment, and place the concatenation operator between the variables you want to join. You may also need to add a literal space (using another concatenation) to separate the words on the line.