![]() |
1
wingoo 2015-05-07 15:56:38 +08:00
|
![]() |
2
kn007 2015-05-07 16:04:49 +08:00
双引号必须可以
|
![]() |
3
b821025551b 2015-05-07 16:06:43 +08:00
当然
|
![]() |
4
ETiV 2015-05-07 16:06:47 +08:00 via iPhone
但你得小心……
如果filename是空的,你还想删这个filename…… |
![]() |
5
flowfire 2015-05-07 16:08:12 +08:00 via iPhone
双引号中的变量会被解析
|
![]() |
6
fising 2015-05-07 16:12:17 +08:00 ![]() 这样写有问题,第二行少了一个分号 : )
|
![]() |
7
barbery 2015-05-07 16:13:47 +08:00
"./cache1/{$filename}" 建议还是这样吧,可读性好点
|
![]() |
8
mahone3297 2015-05-07 16:15:22 +08:00
建议用sprintf
|
![]() |
9
mashpolo 2015-05-07 16:27:20 +08:00
我一般 这样写
$filename_full = "./cache1/" . $filename |
![]() |
12
wesley 2015-05-07 16:50:29 +08:00
$filename_full = "./cache1/{$filename}";
$filename_full = './cache1/' .$filename; $filename_full = sprintf("./cache1/%s", $filename) 爱咋写咋写 |
![]() |
13
kongkongyzt 2015-05-08 09:08:38 +08:00
可以生效的
|