Why downloading php file fails

The failure to download the php file is because when readfile reads the file, it will put the file into the cache, causing memory overflow. The solution is to implement segmented download and limit the download speed.

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Solve PHP failure to download large files and limit downloads Speed

1. Problem:

When PHP uses the readfile function to define a download file, the file cannot be too large, otherwise the download will fail, the file will be damaged, and no error will be reported;

2. Reason:

This is because when readfile reads the file, it will put the file into the cache, causing memory overflow;

3. Solution: Download in segments and limit downloads Speed;

        

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