<a href="/admin/products"><?= ucfirst($this->site['pokaz_wszystkie']);?></a><br/><br/>
<a href="/admin/add_product_category"><?= ucfirst($this->site['dodaj_kategorie']);?></a><br/><br/>
<a href="/admin/add_product"><?= ucfirst($this->site['dodaj']);?></a><br/><br/>