[UPHPU] php user authentication

[Wade Preston Shearer]

> The only thing I found about redirecting in PHP is using the
> header(location) function, except that must be the first line in the  
> script,
> so that makes it difficult, because I can't include an external  
> library or
> anything, and I can't set a variable before I use it in that, like:

The header function doesn't have to be the first line of code in your  
script, you just can't redirect if other headers have already been sent.

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