回答編集履歴
1
調整
answer
CHANGED
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@@ -15,4 +15,30 @@
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15
15
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```PHP
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16
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$stmt->execute(['0001','0002','0003']);
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17
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```
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18
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-
与えるidの数が可変なら疑問符での処理が楽
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18
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+
与えるidの数が可変なら疑問符での処理が楽
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19
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+
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20
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# 可変データサンプル
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21
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22
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```PHP
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23
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<?PHP
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24
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$uid=filter_input(INPUT_GET,"uid",FILTER_DEFAULT,FILTER_REQUIRE_ARRAY);
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25
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$data=[];
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26
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$sql = "select user_name from user where 1 ";
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27
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if(count($uid)>0){
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28
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$sql.= "and user in (".implode(",",array_fill(0,count($uid),"?")).") ";
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29
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$data=array_merge($data,$uid);
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30
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}
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print $sql;
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32
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print_r($data);
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33
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// $stmt = $pdo->prepare($sql);
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34
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// $stmt->execute($data);
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35
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?>
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36
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<form>
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37
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<label><input type="checkbox" name="uid[]" value="0001">1</label><br>
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38
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<label><input type="checkbox" name="uid[]" value="0002">2</label><br>
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39
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<label><input type="checkbox" name="uid[]" value="0003">3</label><br>
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40
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<label><input type="checkbox" name="uid[]" value="0004">4</label><br>
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41
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<label><input type="checkbox" name="uid[]" value="0005">5</label><br>
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42
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<input type="submit" value="go">
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43
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</form>
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44
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```
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