What does "print $cgi->header" do?

There is a line in script we have that I find baffling, it is

print $cgi->header;

To me this seems to be printing the results of the header method of the CGI
module to standard output.

Is something else going on here as well?

Thanks

• What does "print $cgi->header" do? by Jonathan Mast
• Re: What does "print $cgi->header" do? by John W. Krahn
• Re: What does "print $cgi->header" do? by Chas. Owens