回答編集履歴
2
tuiki
answer
CHANGED
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@@ -4,4 +4,21 @@
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4
4
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if($filter === 'vibration') {
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5
5
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$res= $pdo->query('SELECT * FROM tool ORDER BY vibration');
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6
6
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}
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7
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+
```
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8
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+
# 追記
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9
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+
```PHP
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10
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+
<?PHP
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11
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$filter=filter_input(INPUT_POST,'filter');
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12
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+
$sql='SELECT * FROM tool ';
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13
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if(in_array($filter,['price','vibration','repulsion'])){
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14
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$sql.="order by `$filter` desc";
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15
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}
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16
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print $sql;
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17
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?>
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18
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+
<form method="post">
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19
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+
<label><input type="radio" name="filter" value="price">price</label>
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20
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<label><input type="radio" name="filter" value="vibration">vibration</label>
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21
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+
<label><input type="radio" name="filter" value="repulsion">repulsion</label><br>
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22
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<input type="submit" value="send">
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23
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</form>
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7
24
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```
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1
chuosei
answer
CHANGED
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@@ -1,6 +1,6 @@
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1
1
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filterがvibrationではないときにどうしたいのでしょうか？
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2
2
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```php
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3
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-
$filter=filter_input(INPUT_POST'filter');
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3
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+
$filter=filter_input(INPUT_POST,'filter');
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4
4
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if($filter === 'vibration') {
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5
5
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$res= $pdo->query('SELECT * FROM tool ORDER BY vibration');
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6
6
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}
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