C:/xampp/htdocs/zen-cart/admin/includes/modules/product_music/delete_product_confirm.php

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<?php
  if (!defined('IS_ADMIN_FLAG')) {
    die('Illegal Access');
  }
  // NOTE: Debug code left in to help with creating additional product type delete-scripts

  // test if demo mode active
  if (zen_admin_demo()) {
    $_GET['action']= '';
    $messageStack->add_session(ERROR_ADMIN_DEMO, 'caution');
    zen_redirect(zen_href_link(FILENAME_CATEGORIES, 'cPath=' . $_GET['cPath'] . '&pID=' . $_GET['pID'] . (isset($_GET['page']) ? '&page=' . $_GET['page'] : '')));
  }

  $do_delete_flag = false;
  //echo 'products_id=' . $_POST['products_id'] . '<br />';
  if (isset($_POST['products_id']) && isset($_POST['product_categories']) && is_array($_POST['product_categories'])) {
    $product_id = zen_db_prepare_input($_POST['products_id']);
    $product_categories = $_POST['product_categories'];
    $do_delete_flag = true;
    if (!isset($delete_linked)) $delete_linked = 'true';
  }

  if (zen_not_null($cascaded_prod_id_for_delete) && zen_not_null($cascaded_prod_cat_for_delete) ) {
    $product_id = $cascaded_prod_id_for_delete;
    $product_categories = $cascaded_prod_cat_for_delete;
    $do_delete_flag = true;
    // no check for $delete_linked here, because it should already be passed from categories.php
  }

  if ($do_delete_flag) {
    //--------------PRODUCT_TYPE_SPECIFIC_INSTRUCTIONS_GO__BELOW_HERE--------------------------------------------------------
    // Delete media components, but only if the product is no longer cross-linked to another:
    $resVal = $db->Execute("select categories_id from " . TABLE_PRODUCTS_TO_CATEGORIES . "
                                   where products_id = '" . (int)$product_id . "'");
    if ($resVal->RecordCount() < 2) {
      // First we delete related records from related product-type tables:
      //echo 'SQL=' . "select media_id from " . TABLE_MEDIA_TO_PRODUCTS . " where product_id = '" . (int)$product_id . "'<br />";

      $product_media = $db->Execute("select media_id from " . TABLE_MEDIA_TO_PRODUCTS . "
                                     where product_id = '" . (int)$product_id . "'");
      //echo 'media count =' . $product_media->RecordCount() . '<br />';
      while (!$product_media->EOF) {
        //echo 'media delete=' . $product_media->fields['media_id'] . '<br />';
        $db->Execute("delete from " . TABLE_MEDIA_TO_PRODUCTS . "
                      where media_id='" . (int)zen_db_input($product_media->fields['media_id']) . "'
                      and product_id = '" . (int)$product_id . "'");
        $product_media->MoveNext();
      }

      //echo 'SQL=' . "select artists_id, record_company_id, music_genre_id from " . TABLE_PRODUCT_MUSIC_EXTRA . "                                 where products_id = '" . (int)$product_id . "'<br />";
      $music_extra = $db->Execute("select artists_id, record_company_id, music_genre_id from " . TABLE_PRODUCT_MUSIC_EXTRA . "
                                       where products_id = '" . (int)$product_id . "'");
      //echo 'media count =' . $music_extra->RecordCount() . '<br />';
      if ($music_extra->RecordCount()>0) {
        //echo 'artists_id delete=' . $music_extra->fields['artists_id'] . '<br />';
        //echo 'record_company_id delete=' . $music_extra->fields['record_company_id'] . '<br />';
        //echo 'music_genre_id delete=' . $music_extra->fields['music_genre_id'] . '<br />';
        $db->Execute("delete from " . TABLE_PRODUCT_MUSIC_EXTRA . "
                      where products_id = '" . (int)$product_id . "'
                      and artists_id = '" . zen_db_input($music_extra->fields['artists_id']) . "'
                      and record_company_id = '" . zen_db_input($music_extra->fields['record_company_id']) . "'
                      and music_genre_id = '" . zen_db_input($music_extra->fields['music_genre_id']) . "'");
      }
    }

    //--------------PRODUCT_TYPE_SPECIFIC_INSTRUCTIONS_GO__ABOVE__HERE--------------------------------------------------------


    // now do regular non-type-specific delete:

    // remove product from all its categories:
    for ($k=0, $m=sizeof($product_categories); $k<$m; $k++) {
      $db->Execute("delete from " . TABLE_PRODUCTS_TO_CATEGORIES . "
                    where products_id = '" . (int)$product_id . "'
                    and categories_id = '" . (int)$product_categories[$k] . "'");
    }

    // confirm that product is no longer linked to any categories
    $count_categories = $db->Execute("select count(categories_id) as total
                                      from " . TABLE_PRODUCTS_TO_CATEGORIES . "
                                      where products_id = '" . (int)$product_id . "'");
    // echo 'count of category links for this product=' . $count_categories->fields['total'] . '<br />';

    // if not linked to any categories, do delete:
    if ($count_categories->fields['total'] == '0') {
      zen_remove_product($product_id, $delete_linked);
    }

  } // endif $do_delete_flag

  // if this is a single-product delete, redirect to categories page
  // if not, then this file was called by the cascading delete initiated by the category-delete process
  if ($action == 'delete_product_confirm') zen_redirect(zen_href_link(FILENAME_CATEGORIES, 'cPath=' . $cPath));