不允许> 2mb图片 [英] Don't allow > 2mb images

问题描述

嗨！ 如何检查用户是否尝试上传大于2mb的文件?我想否认这一点，并向尝试这样做的用户显示一条错误消息.

HI! How do i check if the users are trying to upload bigger than 2mb files? I would like to deny that and put an error message to the user who is trying to do that.

我知道是这样，但是我应该把50000变成2mb吗?

I know it is something like this, but what shall i change the 50000 to to become 2mb?

if ($_FILES['imagefile']['size'] > 50000 )
{
die ("ERROR: Large File Size");
} 

推荐答案

2 MB为2097152字节.

2 MB is 2097152 bytes.

将50000更改为2097152，就可以设置了.

Change the 50000 to 2097152 and you're set.

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