[wp-hackers] Discussion about Optional Closing PHP tags in the WordPress Library

[Jason Webster]

Stephen Rider wrote:
> I seem to recall very early in my PHP hacking days being told that I 
> was _supposed_ to leave a single line break at the end of the file 
> after the closing "?>"
>
This causes the whitespace to be injected into the content sent to the 
end user and very often causes session initialization issues (ie, 
"headers already sent") errors.