回答編集履歴
3
誤植
answer
CHANGED
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@@ -17,7 +17,7 @@
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|
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17
17
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$result = triangle($h, $w);
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18
18
|
|
|
19
19
|
echo (is_null($result))
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|
20
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-
? "
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20
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+
? "NULL"
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|
21
21
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: $result
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|
22
22
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;
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23
23
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```
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2
整形
answer
CHANGED
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@@ -3,8 +3,7 @@
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|
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3
3
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```
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4
4
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function is_num($value) : bool
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|
5
5
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{
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6
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-
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6
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+
return (!isset($value) || !is_numeric($value) ? false : true;
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7
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-
return true;
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|
8
7
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}
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9
8
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|
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10
9
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function triangle($h, $w)
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1
整形
answer
CHANGED
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@@ -12,9 +12,15 @@
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12
12
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if(!is_num($h)) { return null; }
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13
13
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if(!is_num($w)) { return null; }
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|
14
14
|
|
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15
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-
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|
15
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+
return ($h * $w) /2;
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|
16
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-
return $total;
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|
17
16
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}
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|
17
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+
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|
18
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+
$result = triangle($h, $w);
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|
19
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+
|
|
20
|
+
echo (is_null($result))
|
|
21
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+
? "Null"
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|
22
|
+
: $result
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|
23
|
+
;
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|
18
24
|
```
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|
19
25
|
|
|
20
26
|
こんな感じでいいか？
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