Briefing Zend Knowledge

What can be said about the call to file_get_contents?

Consider the following code. What can be said about the call to file_get_contents?

A.
A GET request will be performed on http://example.com/submit.php

B.
A POST request will be performed on http://example com/submit.php

C.
An error will be displayed

Explanation:
If $postdata is a real variable then B is correct, if not then C is correct.