回答編集履歴
1
追記
test
CHANGED
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@@ -27,3 +27,29 @@
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27
27
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28
28
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29
29
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こんな風にして、mysqli_queryが返す値を確認しましょう。
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30
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31
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32
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33
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---
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34
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35
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36
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37
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```php
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38
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39
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<?php
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40
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41
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42
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$sql = "SELECT water FROM data LIMIT 0,1";
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45
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$result = mysqli_query($mysqli, $sql);
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46
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$rows = $result->fetch_assoc();
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48
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$rows['water'];
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50
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$water = $rows['water'] + 1;
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```
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