Resultado de setlocale(): es_MX.UTF-8
Locale actual: es_MX.UTF-8
Array
(
    [decimal_point] => .
    [thousands_sep] =>  
    [int_curr_symbol] => MXN 
    [currency_symbol] => $
    [mon_decimal_point] => .
    [mon_thousands_sep] =>  
    [positive_sign] => 
    [negative_sign] => -
    [int_frac_digits] => 2
    [frac_digits] => 2
    [p_cs_precedes] => 1
    [p_sep_by_space] => 1
    [n_cs_precedes] => 1
    [n_sep_by_space] => 1
    [p_sign_posn] => 1
    [n_sign_posn] => 1
    [grouping] => Array
        (
            [0] => 3
        )

    [mon_grouping] => Array
        (
            [0] => 3
        )

)