array come parametro si compromette

[camionistaxcaso]

Anche se metto:

public function f_get_select($arr)
 {
   print $arr['subarr1']['chiave1'];   
}

//richiamando il metodo:
$do_input_site1[] = $o_html_form->f_get_select($arr); 

mi da
valore1
Warning: Illegal string offset 'subarr1' in C:\Program Files\xampp\htdocs\new_bs_site\class\c_html_form.p hp on line 76

Warning: Illegal string offset 'chiave1' in C:\Program Files\xampp\htdocs\new_bs_site\class\c_html_form.p hp on line 76
s