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PHP Build a Basic PHP Website Listing and Sorting Inventory Items Displaying Categories

Ker Sing Tan
Ker Sing Tan
10,573 Points
Posted by Ker Sing Tan
Ker Sing Tan
10,573 Points

array_category ?

in the tutorial we store array_category inside $categories. May i ask array_category is an array or built in function of PHP?

$categories = array_category($catalog,$section);
foreach ($categories as $id) {
    echo get_item_html($id,$catalog[$id]);
}

1 Answer

Ryan Groom
Ryan Groom
18,674 Points

Ker Sing Tan array_category is neither an array or a built in function of PHP. array_category is a function, however, it is not a predefined function of PHP. It was created by you and the Team TreeHouse instructor.

Ker Sing Tan
Ker Sing Tan
10,573 Points
Ker Sing Tan
Ker Sing Tan
10,573 Points

Thank you . Oh I thought function need to add "function" before the function name like :

$categories = function array_category($catalog,$section);

Thank you =)

Ryan Groom
Ryan Groom
18,674 Points

@Ker Sing Tan actually you do need to add function before declaring a function in PHP. If you notice in the video at the top of the workspace there are various tabs that represent the files that she is working with. There is a point in the video where she clicks on the "functions.php" file/tab (2:20). When she opens that file you can see that she created "function array_category()" and that she is writing the code that should be performed when calling that function later in the lesson.