woocommerce_admin_downloads_report_downloads_per_page │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_admin_downloads_report_downloads_per_page', 'wp_kama_woocommerce_admin_downloads_report_per_page_filter' );

/**
 * Function for `woocommerce_admin_downloads_report_downloads_per_page` filter-hook.
 * 
 * @param  $20 
 *
 * @return 
 */
function wp_kama_woocommerce_admin_downloads_report_per_page_filter( $20 ){

	// filter...
	return $20;
}

$20

-

Where the hook is called

$per_page = max( 1, apply_filters( 'woocommerce_admin_downloads_report_downloads_per_page', 20 ) );

Where the hook is used in WooCommerce