Check if product is in child category of a specific parent category

Resolved manx89
(@manx89)

3 years, 8 months ago
Hi all,
how to check if product is in child category of a specific parent category. I am trying to set custom template for products from category “beer”, this category has child categories. For now my code is like this:
```
if( has_term( 'beer', 'product_cat' )) {
    wc_get_template_part( 'single-product-browar' ); 
} else {
    wc_get_template_part( 'single-product-default' );
}
```
And this works only for category “beer” but not for child categories. Hot to modify this to make it work with child categories?

Thank you very much

Viewing 4 replies - 1 through 4 (of 4 total)

Plugin Contributor Claudio Sanches
(@claudiosanches)

3 years, 8 months ago
Hello @manx89,

There’s no many details on how and where you are running this code, so I tested it using the shell from WP-CLI, and seems like it works great for product_cat, I advise you to pass the Product ID as the last parameter of has_term(), it should helps in case you are in a page that for some reason is passing another ID.

For example:
```
if ( has_term( 'beer', 'product_cat', $product->get_id() ) ) {
    wc_get_template_part( 'single-product-browar' ); 
} else {
    wc_get_template_part( 'single-product-default' );
}
```
I hope it helps you.
Thread Starter manx89
(@manx89)

3 years, 8 months ago
Hi,
sory for writing to less information. This code is in single-product.php and works good, but only for “beer” category. I would like to make it work for “beer” category and all child categories. My category tree is like this:
Beer
-Ipa
-Lager
-Scout
So for “Ipa” category “single-product-default” template is loading but I want “single-product-browar” and for each child category of “beer” parent category.
- This reply was modified 3 years, 8 months ago by manx89.
Plugin Contributor Claudio Sanches
(@claudiosanches)

3 years, 8 months ago
So for “Ipa�? category “single-product-default�? template is loading but I want “single-product-browar�? and for each child category of “beer�? parent category.

Now makes sense what’s the issue, so by default has_term() will only look for categories linked into your product, so if you only select Ipa and not Beer, has_term() will return false. This is the default behavior of has_term() on WordPress.
If you don’t want to mark all your products in the Beer category, you could check for all children categories of “Beer”, you can list all in the first parameter of has_term(), like:
```
if ( has_term( array( 'Beer', 'Ipa', 'Lager', 'Scout' ), 'product_cat', $product->get_id() ) ) {
    wc_get_template_part( 'single-product-browar' ); 
} else {
    wc_get_template_part( 'single-product-default' );
}
```
You can also get all children categories from Beer using get_term_children(), see: https://developer.wordpress.org/reference/functions/get_term_children/
Thread Starter manx89
(@manx89)

3 years, 8 months ago

Hi again Claudio,
I know I can list all parameter of has_term(). But it is not best solution, because if I add another term in future I must remember to add it in this code too. But if I have no choice I do that.

get_term_children() look promising, but how to modify that to make it work as sholud for me? I’m star learnig wordpress coding;/

Viewing 4 replies - 1 through 4 (of 4 total)

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