回答編集履歴
1
sample
test
CHANGED
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@@ -7,3 +7,59 @@
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7
7
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select * ではなくselect count(*) as c
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8
8
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9
9
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でwhere句で絞られた件数をひっぱってあげてください
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10
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11
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12
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13
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# sample
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14
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15
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念の為、上記反映したsampleです
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16
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17
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18
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19
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```PHP
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20
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21
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try{
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22
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23
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$dsn = 'mysql:host=localhost; dbname=test;charset=utf8;';
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24
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25
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$user = '***';
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26
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27
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$password = '***';
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28
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29
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$pdo = new PDO($dsn, $user,$password);
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30
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31
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$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
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32
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33
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$pdo->setAttribute(PDO::MYSQL_ATTR_INIT_COMMAND,'SET NAMES utf8');
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34
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35
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$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
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36
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37
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38
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39
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$data=filter_input(INPUT_POST,'data');
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40
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41
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$sql='select count(*) as c from table where val= :i ';
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42
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$stmt =$pdo ->prepare($sql);
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44
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45
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$stmt ->bindValue(':i',$data,PDO::PARAM_STR);
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46
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$stmt ->execute();
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48
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49
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$rows=$stmt->fetchAll(PDO::FETCH_ASSOC);
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50
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51
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print_r($rows);
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52
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53
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54
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55
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}catch(PDOException $e){
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56
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57
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die($e->getMessage());
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58
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59
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}
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60
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61
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</script>
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62
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63
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64
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65
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```
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