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@tomohiro
Created June 22, 2010 09:02
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桁区切りとフラグの悪夢
<?php
$month = array_combine(
array(4, 5, 6, 7, 8, 9, 10, 11, 12, 1, 2, 3),
str_split('001001000000'));
$combo = array();
foreach ($month as $m => $flg) {
$combo[] = $m . ((boolean) $flg ? '月期' : null);
}
var_export($combo);
/**
$ php separate_and_flags.php
array (
0 => '4',
1 => '5',
2 => '6月期',
3 => '7',
4 => '8',
5 => '9月期',
6 => '10',
7 => '11',
8 => '12',
9 => '1',
10 => '2',
11 => '3',
)
*/
#!/usr/bin/env ruby
flags = "001000001000"
month = %w[4 5 6 7 8 9 10 11 12 1 2 3]
combo = []
month.each_index do |key|
suffix = flags[key, 1] == "1" ? '月期' : nil
combo << "#{month[key]} #{suffix}"
end
puts combo
=begin
$ ruby separate_and_flags.rb
4
5
6 月期
7
8
9
10
11
12 月期
1
2
3
=end
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