Due to the design of the file_get_contents function, sometimes getting external content will be very slow. You should use curl instead if possible. For details, see here: https://stackoverflow.com/questions/3629504/php-file-get-contents-very- slow-when-using-full-url

Category add and edit event

Fix failing query

Add data types to PHPDocs

Remove PHP 5.3;
Fix notice when no REQUEST_METHOD

Plus add deprecation notices.

Co-authored-by: pupi1985 <pupi1985@bitbucket.org>

use commas at the end of the array

- add require 'app/cookies.php' in order to safely use qa_cookie_get()
- replace @ with isset

Should use identical headers to GET but no body.