回答編集履歴
5
変更
answer
CHANGED
|
@@ -9,5 +9,5 @@
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|
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9
9
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文字列数字対応
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10
10
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11
11
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```php
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12
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-
if (ctype_digit($age)) echo "OK\n";
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12
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+
if (ctype_digit((string)$age)) echo "OK\n";
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13
13
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```
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4
変更
answer
CHANGED
|
@@ -9,5 +9,5 @@
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|
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9
9
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文字列数字対応
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|
10
10
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11
11
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```php
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12
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-
if (ctype_digit($age)
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12
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+
if (ctype_digit($age)) echo "OK\n";
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13
13
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```
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3
追加
answer
CHANGED
|
@@ -4,4 +4,10 @@
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4
4
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if (is_int($age) && is_numeric($age)) echo "OK\n";
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5
5
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```
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6
6
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7
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-
(※）文字数字は'0'はFALSE
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7
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+
(※）文字数字は'0'はFALSE
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8
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+
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|
9
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+
文字列数字対応
|
|
10
|
+
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|
11
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+
```php
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|
12
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+
if (ctype_digit($age) && is_int((int)$age)) echo "OK\n";
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13
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+
```
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2
加筆
answer
CHANGED
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@@ -2,4 +2,6 @@
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2
2
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3
3
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```php
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4
4
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if (is_int($age) && is_numeric($age)) echo "OK\n";
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5
|
-
```
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|
5
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+
```
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|
6
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+
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|
7
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+
(※）文字数字は'0'はFALSE
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1
変更
answer
CHANGED
|
@@ -1,5 +1,5 @@
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1
1
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参加
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|
2
2
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|
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3
3
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```php
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|
4
|
-
if (is_int($age) && is_numeric($age)
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|
4
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+
if (is_int($age) && is_numeric($age)) echo "OK\n";
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|
5
5
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```
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