FilesExpand file tree

 master

/

variable.php

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

34 lines (24 loc) · 490 Bytes

 master

/

variable.php

Copy path

Top

File metadata and controls

• Code
• Blame

34 lines (24 loc) · 490 Bytes

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

<?php

//$我的名字 = "Kitty";

//echo $我的名字;

// $name = "abc";

// $Name = "bcd";

//

// echo $name . "/" . $Name;

//

//

// $aaa = "我是一个字符串";

// $bbb = 666;

// $ccc = [1, 3, '2'];

$ddd = "333";

if(isset($ddd)) {

echo $ddd;

} else {

echo "我还没有定义哦";

}

if(is_integer($ddd)) {

echo "很好啊，你是一个数字啊";

} else {

echo "你不是数字，你奏凯。";

}

unset($ddd); // 取消定义