PHP readfile() adding extra bytes to downloaded file

Question

I am trying to troubleshoot an issue I am having with downloading a \"zip\" file from a php script. It seems that when I download the file using the following code, the dow

Answer 1

I had a similar issue with blank space at the start of an image file.

I suspect my issue was caused by blank space before opening

What worked for me was:

@ob_start('');  //@ supresses a warning  
//header entries
ob_end_clean();
ob_clean();
readfile($file);