PP: Exclude Testimonial Row 1 Posts from Testimonial Row 2.php

// Grab Testimonial Row 1 Output
function zf_get_testimonial_row_one_posts($settings, $query){

	// Only Testimonial Row 1
	if($settings->id == 'zf-praise-row-module-1') {

		// Define Global Array
		$GLOBALS['praise_to_exclude'] = [];

		// Grab Testimonal Row 1 Posts
		$query_posts = $query->posts;

		// Add Each to Static Element as String
		foreach($query_posts as $query_post) {
			array_push($GLOBALS['praise_to_exclude'], strval($query_post->ID));
		}

	}

}
add_filter('pp_cg_before_posts', 'zf_get_testimonial_row_one_posts', 10, 2);

// Exclude Testimoinal Row 1 Posts from Row 2
function zf_exclude_testimonial_two_posts($settings, $query){

	// Only Testimonial Row 2
	if($settings->id == 'zf-praise-row-module-2') {

		// Exclude Testimonial Row 1 Posts
		$query->query_vars['post__not_in'] = $GLOBALS['praise_to_exclude'];

	}

}
add_filter('pp_cg_before_posts', 'zf_exclude_testimonial_two_posts', 5, 2);