Why would $_FILES be empty when uploading files to PHP?

Question

I have WampServer 2 installed on my Windows 7 computer. I\'m using Apache 2.2.11 and PHP 5.2.11. When I attempt to upload any file from a form, it seems to upload, but in PH

Answer 1

I have a same problem looking 2 hours ,is very simple to we check our server configuration first.

Example:

echo $upload_max_size = ini_get('upload_max_filesize');  
echo $post_max_size=ini_get('post_max_size');   

any type of file size is :20mb, but our upload_max_size is above 20mb but array is null. Answer is our post_max_size should be greater than upload_max_filesize

post_max_size = 750M  
upload_max_filesize = 750M