I'm trying to display the get_category_category limiting the results to only the child categories of parent "666".
So a post may have a number of categories e.g. "1234", "666", "666/1341", "5", "5/17" but I only want to show the child of "666".
$args = array( 'numberposts' => '5','post_status' => 'publish','category' => '1234','category__not_in' => '680', 'orderby' => 'post_date', 'order' => 'DESC' );
$recent_posts = wp_get_recent_posts($args);
{
///I want to return the category for each post in this loop that is within the "666" category.
///E.g get_the_category($recent['ID']) where the category is a child of 666
echo "POST ID" . $recent['ID'] . " CHILD CATEGORY ". $childcategory;
}
The above loop will return the last 5 posts in category "1234" with each child category of "666".
e.g.
- POST ID 10 CHILD CATEGORY 1341
- POST ID 11 CHILD CATEGORY 1341
- POST ID 14 CHILD CATEGORY 99
- POST ID 19 CHILD CATEGORY 1341
- POST ID 23 CHILD CATEGORY 99
I'm trying to display the get_category_category limiting the results to only the child categories of parent "666".
So a post may have a number of categories e.g. "1234", "666", "666/1341", "5", "5/17" but I only want to show the child of "666".
$args = array( 'numberposts' => '5','post_status' => 'publish','category' => '1234','category__not_in' => '680', 'orderby' => 'post_date', 'order' => 'DESC' );
$recent_posts = wp_get_recent_posts($args);
{
///I want to return the category for each post in this loop that is within the "666" category.
///E.g get_the_category($recent['ID']) where the category is a child of 666
echo "POST ID" . $recent['ID'] . " CHILD CATEGORY ". $childcategory;
}
The above loop will return the last 5 posts in category "1234" with each child category of "666".
e.g.
- POST ID 10 CHILD CATEGORY 1341
- POST ID 11 CHILD CATEGORY 1341
- POST ID 14 CHILD CATEGORY 99
- POST ID 19 CHILD CATEGORY 1341
- POST ID 23 CHILD CATEGORY 99
2 Answers
Reset to default 1You can do this by getting the child categories of that category first, then passing them as an array to your query.
$categories=get_categories(
array( 'parent' => $cat->cat_ID )
);
$cat_list = [];
foreach ($categories as $c) {
$cat_list[] = $c->term_id;
}
ref: Get the children of the parent category
This won't/might not work, but it's usually worth trying passing an array where you could pass an integer in WordPress:
$args = array( 'numberposts' => '5','post_status' => 'publish','category' => $cat_list,'category__not_in' => '680', 'orderby' => 'post_date', 'order' => 'DESC' );
wp_get_recent_posts uses get_posts & get_post accepts an ID of a category, at the time of writing it doesn't mention an array... So you might need to use WP_Query:
$query = new WP_Query( array( 'category__and' => $cat_list ) );
see: https://codex.wordpress/Class_Reference/WP_Query
You can use array_map so you can return only the categories that you want. For example:
array_map( function( $cat ) {
if ( $cat->parent != 0 ) {
return $cat;
}
},
get_the_category()
);