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tattyamm/gist:5624470

Created May 22, 2013 00:56
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連想配列を、キーの文字数が長い順に降順でソートする
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gistfile1.php
function sortByKeyLengthDesc($arr){
$keys = array_map('strlen', array_keys($arr));
array_multisort($keys, SORT_DESC, $arr);
return $arr;
}
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