Code-Snippets-Functions/Execute a function on a child site/WooCommerce/limit-product-sales-by-id.txt

add_filter( 'woocommerce_is_purchasable', 'wc_not_purchasable_after_daily_limit', 9999, 2 );
 
function wc_not_purchasable_after_daily_limit( $is_purchasable, $product ) {
 
   $limit_product_id = 12345; // SET YOUR PRODUCT ID HERE
    
   if ( $product->get_id() !== $limit_product_id ) return $is_purchasable;
    
   // GET TODAYS ORDERS AND LOOP
   $all_orders = wc_get_orders(
      array(
         'limit' => -1,
         'date_created' => date( 'Y-m-d' ),
         'return' => 'ids',
      )
   );
   $count = 0;
   foreach ( $all_orders as $all_order ) {
      $order = wc_get_order( $all_order );
      $items = $order->get_items();
      foreach ( $items as $item ) {
         $product_id = $item->get_product_id();
         if ( $product_id && $product_id == $limit_product_id ) {
            $count = $count + absint( $item['qty'] ); 
         }
      }
   }
    
   // LIMIT 3 DAILY SALES
   if ( $count >= 3 ) return false;
    
   return $is_purchasable;
    
}