回答編集履歴
1
追記
answer
CHANGED
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@@ -3,4 +3,12 @@
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3
3
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{
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4
4
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return date("L", mktime(0, 0, 0, 1, 1, $year));
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5
5
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}
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6
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+
```
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7
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+
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8
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+
```php
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9
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+
<?php for ($i = 1700; $i <= 2096; $i++): ?>
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10
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+
<?php if (isLeapYear($i)): ?>
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11
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+
<?= sprintf('%d年はうるう年です。', $i); ?>
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12
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<?php endif; ?>
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13
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<?php endfor; ?>
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6
14
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```
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