回答編集履歴
1
\(int\)を追記
test
CHANGED
@@ -2,4 +2,4 @@
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2
2
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3
3
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$row = mysqli_fetch_assoc($res);
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4
4
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5
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-
$maxId = $row['id'];
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5
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+
$maxId = (int)$row['id'];
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