php readfile download Download appears 1kb, how to handle

Source: Internet
Author: User
Tags readfile
php readfile download Download appears 1kb
Header ("content-type:application/$kind");

Header ("content-disposition:attachment; Filename= $filename ");

ReadFile ($requireurl);

Why do I use the above code to download files are 1kb?
Allow_url_fopen = On is already set

------Solution--------------------
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What is the content of 1kb files?? Or the file you ReadFile read is only 1kb.

Run ReadFile alone ($requireurl) to see what to output, or use file_get_contents () instead try
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