Archived topic
Query Loop pulling any term from parent term?
1 reply · Started by John on March 23, 2023
Hello,
I'm trying to create a "related content" query loop in a Block element set to appear at the bottom of every blog post.
I have found how to use the GB query loop to set parameters as "current terms" and "include children terms", but what I want to do is to pull content from the parent term (if there is one).
To illustrate, say my taxonomy has several terms, some of which have children terms:
Taxonomy
- Parent term 1
- Child term 1-1
- Child term 1-2
- Child term 1-3
- Parent term 2
- Child term 2-1
- Child term 2-2
- Child term 2-3
- Term 3
- Term 4
When a post is tagged with the term "Child term 1-2" for example, I would like the query loop to pull any post that includes the "Parent term 1" term or any of its children.
Is there a way to achieve that?
Hi John,
This will require some custom coding, try the following steps:
1. Add a CSS class to the Grid block of the query loop, eg. my-css-class.
https://wordpress.com/support/wordpress-editor/adding-additional-css-classes-to-blocks/
2. Add this PHP code, if your taxonomy is category, you need to change the category to the name of your taxonomy in the below code:
add_filter( 'generateblocks_query_loop_args', function( $query_args, $attributes ) {
if (
! empty( $attributes['className'] ) &&
strpos( $attributes['className'], 'my-css-class' ) !== false
) {
// Get current post's term
$post_terms = get_the_terms( get_the_ID(), 'category' );
if ( ! empty( $post_terms ) ) {
// Check if current term is a child term of a parent term
$current_term = $post_terms[0];
if ( $current_term->parent != 0 ) {
// Get parent term
$parent_term = get_term( $current_term->parent, 'category' );
// Include parent term and all its child terms in the query
$query_args['tax_query'][] = array(
'taxonomy' => 'category',
'field' => 'term_id',
'terms' => array( $parent_term->term_id ),
'include_children' => true
);
} else {
// Include only current term in the query
$query_args['tax_query'][] = array(
'taxonomy' => 'category',
'field' => 'term_id',
'terms' => array( $current_term->term_id )
);
}
}
}
return $query_args;
}, 10, 2 );
Adding PHP: https://docs.generatepress.com/article/adding-php/
Let me know if this helps!
