PHP file_get_contents() and setting request headers

Question

With PHP, is it possible to send HTTP headers with file_get_contents() ?

I know you can send the user agent from your php.ini file. However

Answer 1

If you don't need HTTPS and curl is not available on your system you could use fsockopen

This function opens a connection from which you can both read and write like you would do with a normal file handle.