Code-Snippets-Functions/Execute a function on a child site/WooCommerce/display-subscriptions-dates-cart-checkout.txt

// -----------------------------------------
// 1. Function to return subscription period
 
function wc_subscription_period_order_item_meta( $product, $order_date = '' ) {
   if ( is_a( $product, 'WC_Product_Subscription' ) || is_a( $product, 'WC_Product_Subscription_Variation' ) ) {
      if ( ! $order_date ) {
         $order_date = date( 'M d' );
      } else $order_date = date( 'M d', $order_date );
      $period = WC_Subscriptions_Product::get_period( $product );
      $interval = WC_Subscriptions_Product::get_interval( $product );
      if ( date( 't', strtotime( $order_date ) ) == date( 'd', strtotime( $order_date ) ) || date( "m", strtotime( $order_date ) ) != date( "m", strtotime( $order_date ." +1 month" ) ) - 1 ) {
         $end = date( 'M d Y', strtotime( '-1 day', strtotime( 'last day of ' . $interval . ' ' . $period, strtotime( $order_date ) ) ) );
      } else {
         $end = date( 'M d Y', strtotime( $interval . ' ' . $period . ' -1 day', strtotime( $order_date ) ) );
      }
      return '<p><small>Subscription period: ' . $order_date . ' - ' . $end . '</small></p>';
   }
   return '';
}
 
// -----------------------------------------
// 2. Display interval @ Cart, Checkout, Order
 
add_action( 'woocommerce_after_cart_item_name', 'wc_echo_subscription_period_cart_item_meta', 9999, 2 );
 
function wc_echo_subscription_period_cart_item_meta( $cart_item, $cart_item_key ) {
   echo wc_subscription_period_order_item_meta( $cart_item['data'] );
}
 
add_filter( 'woocommerce_checkout_cart_item_quantity', 'wc_return_subscription_period_checkout_item_meta', 9999, 3 );
 
function wc_return_subscription_period_checkout_item_meta( $html, $cart_item, $cart_item_key ) {
   return $html . wc_subscription_period_order_item_meta( $cart_item['data'] );
}
 
add_action( 'woocommerce_order_item_meta_start', 'wc_echo_subscription_period_order_item_meta', 9999, 4 );
 
function wc_echo_subscription_period_order_item_meta( $item_id, $item, $order, $bool ) {
   $product = $item->get_product();
   echo wc_subscription_period_order_item_meta( $product, strtotime( $order->get_date_completed() ) );
}