array_for_repeater.php

<?php

/**
 * A Hack to generate mock WP Post objects from any arbitrary array
 * A possible use case is to render a list of taxonomy terms using Oxygen Builder's repeater element,
 * as the repeater allows only WP_Query as a source of data
 *
 * @author: Gagan S Goraya
 * @link: https://gagangoraya.com
 * 
 */

function gsg_override_posts_results( $posts, $query ) {
	
	// identify the query by testing for a specific parameter, in this case the arbitrary value provided for the paramter post_type
	if( 'product_cat_list' === $query->get('post_type') ) {
		
		// And obviously, the $posts is going to be empty, lets ensure that its an empty array and not null
		$posts = array();
		
		// Lets populate it with the data that we want i.e., the terms for any arbitrary taxonomy
		
		// get terms for any taxonomy. woo commerce product category in this case.
		$terms = get_terms(
			array(
				'taxonomy' => 'product_cat',
				'type' => 'product'
			)
		);
		
		// generate mock post objects using the data from the taxonomy terms
		foreach( $terms as $term ) {
			$posts[] =  (object) array(
				'post_title' => $term->name,
				'post_name' => $term->slug,
				//.... you can load any other misc data here
			) ;
		}
		
	}
	
	return $posts;
}

add_filter('posts_results', 'gsg_override_posts_results', 10, 2);