回答編集履歴
1
変数名間違い
answer
CHANGED
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@@ -5,5 +5,5 @@
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5
5
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$next_id_data = SELECT * FROM hogehoge WHERE id > $id ORDER BY id ASC LIMIT 1
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6
6
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7
7
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-- idが前のもの
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8
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-
$
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8
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+
$prev_id_data = SELECT * FROM hogehoge WHERE id < $id ORDER BY id DESC LIMIT 1
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9
9
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```
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