Shayda's WooCommerce Tweaks

woocommerce-shayda.php

<?php
/**
 * Plugin Name: Shayda's WooCommerce Tweaks
 * Plugin URI: http://dinewithshayda.com
 * Description: Makes WooCommerce do what Shayda demands it should do.
 * Version: 1.0
 * Author: shayda
 * Author URI: http://dinewithshayda.com
 *
 * @package woocommerce-shayda
 */

/**
 * Change the number of products that should show on the shop page.
 *
 * @link https://docs.woocommerce.com/document/change-number-of-products-displayed-per-page/
 * @param  int $cols Default number of products
 * @return int       Our new number of products
 */
function shayda_loop_shop_per_page( $cols ) {
	$cols = 9;

	return $cols;
}

add_filter( 'loop_shop_per_page', 'shayda_loop_shop_per_page', 20 );