Limit the total number of results a Comparison Set displays. [datafeedr][dfrcs]

limit-comparison-set-results-to-maximum.php

<?php

/**
 * Limit the total number of results in a Comparison Set to 5.
 *
 * Change the value of $max_results to modify the number of results returned.
 *
 * @param array $filtered_products Array of products after pre-filters have been run.
 * @param array $all_products Array of products before any pre-filters have been run.
 *
 * @return array Updated $filtered_products array.
 */
add_filter( 'dfrcs_filter_products', 'mycode_limit_results', 20, 2 );
function mycode_limit_results( $filtered_products, $all_products ) {

	$max_results = 5;

	if ( ! empty( $filtered_products ) ) {
		$filtered_products = array_slice( $filtered_products, 0, $max_results );
	}

	return $filtered_products;
}