function bitt_acf_taxonomy()Filter Posts by Post Objects field in an ACF Repeater on a Taxonomy archive based on an ACF taxonomy field:
Ensure the Post Objects ACF field returns the Post Object, not the Post ID.
Next, add the following parameter to an Advanced Query in Oxygen:
For the value, select PHP Function Return Value > ‘bitt_acf_taxonomy` and set the arguments to the slug of the Repeater field and the slug of the Post Objects field,
<?php
/**
* ACF Taxonomy Field
*
* @param string $tax - taxonomy name (e.g. 'product_taxonomy')
* @param string $relationship - relationship name (e.g. 'product_taxonomy_to_product')
* @return string $results - comma separated list of taxonomy IDs (e.g. '1,2,3')
*/
if (!function_exists('bitt_acf_taxonomy')) {
function bitt_acf_taxonomy()
{
// If ACF is deactivated, return nothing
if (!class_exists('acf')) {
return '';
}
$terms = get_field('product_taxonomy');
$term_list = array();
if ($terms) {
foreach ($terms as $term) {
array_push($term_list, $term->term_id);
}
}
$results = implode(',', $term_list);
return $results;
}
}
?>