WooCommerce Products Per Page + Divi

woocommerce-products-per-page-plugin-with-divi.php

<?php
// help make the plugin of WooCommerce Products Per Page work with the Divi Theme
add_action( 'pre_get_posts', 'fs_custom_posts_per_page', 30 );
function fs_custom_posts_per_page( $query = false ) {
	if ( is_admin() ) return;
	
	if ( ! is_a( $query, 'WP_Query' ) || ! $query->is_main_query() ) return;
	
	if ( $query->is_category ) {
		$query->set( 'posts_per_page', apply_filters( 'loop_shop_per_page', 9 ) );
	}
	elseif ( $query->is_tag ) {
		$query->set( 'posts_per_page', apply_filters( 'loop_shop_per_page', 9 ) );
	}
	elseif ( $query->is_search ) {
		$query->set( 'posts_per_page', apply_filters( 'loop_shop_per_page', 9 ) );
	}
	elseif ( $query->is_archive ) {
		$query->set( 'posts_per_page', apply_filters( 'loop_shop_per_page', 9 ) );
	}
}