grazie risolto il problema su due siti. ma sul terzo la modifica non funziona, nonostante abbia lo stesso tema degli altri. ecco come appare dopo la modifica il file product.tpl
{**
* 2007-2017 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License 3.0 (AFL-3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* https://opensource.org/licenses/AFL-3.0
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
* @author PrestaShop SA <[email protected]>
* @copyright 2007-2017 PrestaShop SA
* @license https://opensource.org/licenses/AFL-3.0 Academic Free License 3.0 (AFL-3.0)
* International Registered Trademark & Property of PrestaShop SA
*}
{extends file=$layout}
{block name='head_seo' prepend}
<link rel="canonical" href="{$product.canonical_url}">
{/block}
{block name='head' append}
<meta property="og:type" content="product">
<meta property="og:url" content="{$urls.current_url}">
<meta property="og:title" content="{$page.meta.title}">
<meta property="og:site_name" content="{$shop.name}">
<meta property="og:description" content="{$page.meta.description}">
<meta property="og:image" content="{$product.cover.large.url}">
<meta property="product:pretax_price:amount" content="{$product.price_tax_exc}">
<meta property="product:pretax_price:currency" content="{$currency.iso_code}">
<meta property="product:price:amount" content="{$product.price_amount}">
<meta property="product:price:currency" content="{$currency.iso_code}">
{if isset($product.weight) && ($product.weight != 0)}
<meta property="product:weight:value" content="{$product.weight}">
<meta property="product:weight:units" content="{$product.weight_unit}">
{/if}
{/block}
{block name='content'}
<section id="main" itemscope itemtype="https://schema.org/Product">
<meta itemprop="url" content="{$product.url}">
{if isset($product.id_manufacturer) AND $product.id_manufacturer}
<meta itemprop="brand" content="{Manufacturer::getnamebyid($product.id_manufacturer)}">
{/if}
{if isset($product->ean13) AND $product->ean13}
<meta itemprop="gtin13" content="{l s='EAN Code:'}{$product->ean13}">
{/if}
{if isset($product->isbn) AND $product->isbn}
<meta itemprop="gtin13" content="{l s='ISBN Code:'}{$product->isbn}">
{/if}
{if isset($product->upc) AND $product->upc}
<meta itemprop="gtin13" content="{l s='UPC Code:'}{$product->upc}">
{/if}
<div class="row">
<div class="col-md-5">
{block name='page_content_container'}
<section class="page-content" id="content">
{block name='page_content'}
{block name='product_flags'}
<ul class="product-flags">
{foreach from=$product.flags item=flag}
<li class="product-flag {$flag.type}">{$flag.label}</li>
{/foreach}
{if $product.has_discount}
{if $product.discount_type === 'percentage'}
<li class="product-flag discount-percentage">{l s='%percentage%' d='Shop.Theme.Catalog' sprintf=['%percentage%' => $product.discount_percentage_absolute]}</li>
{else}
<li class="product-flag discount-percentage">
{l s='- %amount%' d='Shop.Theme.Catalog' sprintf=['%amount%' => $product.discount_to_display]}
</li>
{/if}
{/if}
</ul>
{/block}
{block name='product_cover_thumbnails'}
{include file='catalog/_partials/product-cover-thumbnails-product.tpl'}
{/block}
{/block}
</section>
{/block}
</div>
<div class="col-md-7">
{block name='page_header_container'}
{block name='page_header'}
<h1 class="h1" itemprop="name">{block name='page_title'}{$product.name}{/block}</h1>
{/block}
{/block}
{block name='product_prices'}
{include file='catalog/_partials/product-prices.tpl'}
{/block}
<div class="product-information">
{block name='product_description_short'}
<div id="product-description-short-{$product.id}" itemprop="description">{$product.description_short nofilter}</div>
{/block}
{if $product.is_customizable && count($product.customizations.fields)}
{block name='product_customization'}
{include file="catalog/_partials/product-customization.tpl" customizations=$product.customizations}
{/block}
{/if}
{block name='product_additional_info'}
{include file='catalog/_partials/product-additional-info.tpl'}
{/block}
<div class="product-actions">
{block name='product_buy'}
<form action="{$urls.pages.cart}" method="post" id="add-to-cart-or-refresh">
<input type="hidden" name="token" value="{$static_token}">
<input type="hidden" name="id_product" value="{$product.id}" id="product_page_product_id">
<input type="hidden" name="id_customization" value="{$product.id_customization}" id="product_customization_id">
{block name='product_variants'}
{include file='catalog/_partials/product-variants.tpl'}
{/block}
{block name='product_pack'}
{if $packItems}
<section class="product-pack">
<h3 class="h4">{l s='This pack contains' d='Shop.Theme.Catalog'}</h3>
{foreach from=$packItems item="product_pack"}
{block name='product_miniature'}
{include file='catalog/_partials/miniatures/pack-product.tpl' product=$product_pack}
{/block}
{/foreach}
</section>
{/if}
{/block}
{block name='product_discounts'}
{include file='catalog/_partials/product-discounts.tpl'}
{/block}
{block name='product_add_to_cart'}
{include file='catalog/_partials/product-add-to-cart.tpl'}
{/block}
{block name='product_refresh'}
<input class="product-refresh ps-hidden-by-js" name="refresh" type="submit" value="{l s='Refresh' d='Shop.Theme.Actions'}">
{/block}
</form>
{/block}
</div>
{block name='hook_display_reassurance'}
{hook h='displayReassurance'}
{/block}
</div>
</div>
</div>
{block name='product_tabs'}
<div class="tabs">
<ul class="nav nav-tabs" role="tablist">
{if $product.description}
<li class="nav-item">
<a
class="nav-link{if $product.description} active{/if}"
data-toggle="tab"
href="#description"
role="tab"
aria-controls="description"
{if $product.description} aria-selected="true"{/if}>{l s='Description' d='Shop.Theme.Catalog'}</a>
</li>
{/if}
{if $product.attachments}
<li class="nav-item">
<a
class="nav-link"
data-toggle="tab"
href="#attachments"
role="tab"
aria-controls="attachments">{l s='Attachments' d='Shop.Theme.Catalog'}</a>
</li>
{/if}
{foreach from=$product.extraContent item=extra key=extraKey}
<li class="nav-item">
<a
class="nav-link"
data-toggle="tab"
href="#extra-{$extraKey}"
role="tab"
aria-controls="extra-{$extraKey}">{$extra.title}</a>
</li>
{/foreach}
</ul>
<div class="tab-content" id="tab-content">
<div class="tab-pane fade in{if $product.description} active{/if}" id="description" role="tabpanel">
{block name='product_description'}
<div class="product-description">{$product.description nofilter}</div>
{/block}
{block name='product_details'}
{include file='catalog/_partials/product-details.tpl'}
{/block}
</div>
{block name='product_attachments'}
{if $product.attachments}
<div class="tab-pane fade in" id="attachments" role="tabpanel">
<section class="product-attachments">
<h3 class="h5 text-uppercase">{l s='Download' d='Shop.Theme.Actions'}</h3>
{foreach from=$product.attachments item=attachment}
<div class="attachment">
<h4><a href="{url entity='attachment' params=['id_attachment' => $attachment.id_attachment]}">{$attachment.name}</a></h4>
<p>{$attachment.description}</p
<a href="{url entity='attachment' params=['id_attachment' => $attachment.id_attachment]}">
{l s='Download' d='Shop.Theme.Actions'} ({$attachment.file_size_formatted})
</a>
</div>
{/foreach}
</section>
</div>
{/if}
{/block}
{foreach from=$product.extraContent item=extra key=extraKey}
<div class="tab-pane fade in {$extra.attr.class}" id="extra-{$extraKey}" role="tabpanel" {foreach $extra.attr as $key => $val} {$key}="{$val}"{/foreach}>
{$extra.content nofilter}
</div>
{/foreach}
</div>
</div>
{/block}
{block name='product_accessories'}
{if $accessories}
<section class="product-accessories clearfix">
<div class="product-accessories-title">
<h3 class="h2">{l s='You might also like' d='Shop.Theme.Catalog'}</h3>
</div>
<div class="products" id="js-product-block-slider-product-page">
{foreach from=$accessories item="product_accessory"}
{block name='product_miniature'}
{include file='catalog/_partials/miniatures/product.tpl' product=$product_accessory}
{/block}
{/foreach}
</div>
</section>
{/if}
{/block}
<div class="pswp" tabindex="-1" role="dialog" aria-hidden="true">
<div class="pswp__bg"></div>
<div class="pswp__scroll-wrap">
<div class="pswp__container">
<div class="pswp__item"></div>
<div class="pswp__item"></div>
<div class="pswp__item"></div>
</div>
<div class="pswp__ui pswp__ui--hidden">
<div class="pswp__top-bar">
<div class="pswp__counter"></div>
<button class="pswp__button pswp__button--close" title="Close (Esc)"></button>
<div class="pswp__preloader">
<div class="pswp__preloader__icn">
<div class="pswp__preloader__cut">
<div class="pswp__preloader__donut"></div>
</div>
</div>
</div>
</div>
<button class="pswp__button pswp__button--arrow--left" title="Previous (arrow left)">
</button>
<button class="pswp__button pswp__button--arrow--right" title="Next (arrow right)">
</button>
<div class="pswp__caption">
<div class="pswp__caption__center"></div>
</div>
</div>
</div>
</div>
{block name='product_footer'}
{hook h='displayFooterProduct' product=$product category=$category}
{/block}
{block name='product_images_modal'}
{include file='catalog/_partials/product-images-modal.tpl'}
{/block}
{block name='page_footer_container'}
<footer class="page-footer">
{block name='page_footer'}
<!-- Footer content -->
{/block}
</footer>
{/block}
</section>
{/block}