回答編集履歴
1
1
answer
CHANGED
@@ -4,7 +4,7 @@
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4
4
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$i = 321;
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5
5
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$array = array(312,456,789);
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6
6
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7
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-
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7
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+
function dig_sort($x) {
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8
8
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$s = (is_int($x) ? $x . '' : $x;
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9
9
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$a = explode('', $s);
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10
10
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sort($a);
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