zanella_custom_category
$tax_query = array( array( 'taxonomy' => 'categorie-servizi', 'terms' => '$atts[\'cat\']', 'field' => 'term_id', 'include_children' => true, ), );
$tax_query = array( array( 'taxonomy' => 'categorie-servizi', 'terms' => '$atts[\'cat\']', 'field' => 'term_id', 'include_children' => true, ), );