woocommerce_reports_order_statuses │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_reports_order_statuses', 'wp_kama_woocommerce_reports_order_statuses_filter' );

/**
 * Function for `woocommerce_reports_order_statuses` filter-hook.
 * 
 * @param  $order_status 
 *
 * @return 
 */
function wp_kama_woocommerce_reports_order_statuses_filter( $order_status ){

	// filter...
	return $order_status;
}

$order_status

-

Where the hook is called

$order_status = apply_filters( 'woocommerce_reports_order_statuses', $order_status );

$query['where']  .= "AND posts.post_status IN ( 'wc-" . implode( "','wc-", apply_filters( 'woocommerce_reports_order_statuses', array( 'completed', 'processing', 'on-hold' ) ) ) . "' ) ";

Where the hook is used in WooCommerce