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 Build a Basic PHP Website (2018) Listing and Sorting Inventory Items Introducing Arrays

Posted by Ken Chung
Ken Chung
17,585 Points

The second echo statement was set up to display the number of letters, but it always showed "2", and we have additional

I don't understand what the question is saying. We never learnt the count(); function in the previous videos, this is rather tricky. Help please, thanks!

index.php 
<?php
$letters = array("A", "C", "M", "E");


echo "Today's challenge is brought to you by the ";
echo " letters: ";
echo "AC";
echo ".";

?>

1 Answer

Matthew Bilz
Matthew Bilz
15,829 Points
Matthew Bilz
Matthew Bilz
15,829 Points

The count function will return the number of items indexed in your array. For instance, if you call the count function for $letters, it will return 4.

$count = count($letters);
echo $count;
//will return the integer 4

So if they want you to replace any of their echo statements with the number of letters, you would simply put your new $count variable inside the double quotes of the echo statement where they would like the number.

I hope this helps!