Welcome to the Treehouse Community

The Treehouse Community is a meeting place for developers, designers, and programmers of all backgrounds and skill levels to get support. Collaborate here on code errors or bugs that you need feedback on, or asking for an extra set of eyes on your latest project. Join thousands of Treehouse students and alumni in the community today. (Note: Only Treehouse students can comment or ask questions, but non-students are welcome to browse our conversations.)

Looking to learn something new?

Treehouse offers a seven day free trial for new students. Get access to thousands of hours of content and a supportive community. Start your free trial today.

PHP Build a Basic PHP Website Listing and Sorting Inventory Items Introducing Arrays

I need to be shown how to use a funciton to return the number of items in an array and display that on my webpage.



$letters = array("A",
echo "Today's challenge is brought to you by the ";
echo $arrlength = count(&letters);
echo " letters: ";
echo "AC";
echo ".";


1 Answer

Heidi Fryzell
.a{fill-rule:evenodd;}techdegree seal-36
Heidi Fryzell
Front End Web Development Treehouse Moderator 24,519 Points

Hi Jonathan,

You need to use the count() function.

Here is an example of the count() function.

echo count($cars);

Hope this helps. Happy coding!

Thanks for your answer