if (isset($this->category->id) && $this->category->id)
    $return_link = Tools::safeOutput($this->context->link->getCategoryLink($this->category));
else
    $return_link = 'javascript: history.back();';

if($this->product->id_supplier)
    if($id_address = Address::getAddressIdBySupplierId((int)$this->product->id_supplier))
        $address = new Address((int)$id_address);

'stock_management' => Configuration::get('PS_STOCK_MANAGEMENT'),

'address' => (isset($address) ? $address : false),

{$address->country|escape:'html':'UTF-8'}
{$address->address1|escape:'html':'UTF-8'}
{$address->city|escape:'html':'UTF-8'}
{$address->phone}