#!/usr/bin/perl
use strict;
use warnings;

my @month_numbers = (1..12);

my %month_names = (
  'English'      => [qw(January February March April May June July August Spetember October November December)],
  'English abbr' => [qw(Jan Feb Mar Apr May Jun Jul Aug Sep Oct Now Dec)],
  'Dutch'        => [qw(januari februari maart april mei juni juli augustus september oktober november december)],
  'French'       => [qw(janvier février mars avril mai juin juillet aoűt septembre octobre novembre décembre)],
  'German'       => [qw(Januar Februar März April Mai Juni Juli August September Oktober November Dezember)],
  'Greek'        => [qw(Ianuários Fevruários Mártios Aprílios Máios Iúnios Iúlios Avghustos Septémvrios Októvrios Noémvrios Thekémvrios)],
  'Italian'      => [qw(gennaio febbraio marzo aprile maggio giugno luglio agosto settembre ottobre novembre dicembre)],
  'Spanish'      => [qw(enero febrero marzo abril mayo junio julio agosto septiembre octubre noviembre diciembre)],
);

my %months;
for my $language (keys %month_names) {
  @months{@{$month_names{$language}}} = @month_numbers;
  @months{map(uc $_, @{$month_names{$language}})} = @month_numbers;
  @months{map(lc $_, @{$month_names{$language}})} = @month_numbers;
}

sub get_month_number {
  my $month = shift;
  return $months{$month};
}

##</code><code>##

print get_month_number('July');

##</code><code>##

my %months;
for my $language (keys %month_names) {
  my $number = 0;
  $months{lc $_} = ++$number for @{$month_names{$language}};
}

sub get_month_number {
  my $month = lc shift;
  return $months{$month};
}