What is the maximum size of a file that can be uploaded using PHP and how can we change this
The default values for PHP will restrict you to a maximum 2 MB upload file size. You can increasing this limit, for that you need to edit your 'php.ini' file. If you don't have access to php.ini then you need to edit '.htaccess' file in your root directory.
File types allowed: gif, JPG, jpg, jpeg, JPEG, png, txt, nfo, doc, rtf, htm, dmg, zip, rar, gz, exe.
File size limit: 10 MB