use JSON;

my $json = '{
    "name" : "dsfsdfs",
    "age" : "23",
    "city" : "vvvvv",
    "state" : "aaaa"
}';
my $hashref = decode_json $json;
my @array = %$hashref;
print join ', ', @array;

##</code><code>##

my @array = %$params;