[TYPO3] tip a friend and url

[Andrea Giorgini]

Andrea Giorgini wrote:

> Hi Daniel,
> 
> thx a lot for your answer. Unfortunately I get exactly the same: the
> link is fine, but when I get to the tip-a-friend page it is shown only
> partially. The funny thing is that I can see in the source code the
> action of the form is right!! Why then is sent wrong?
> 
> Andrea

In the meanwhile I got the reason why:

the tipUrl parameter contains arrays, like: &tx_ttproducts_pi1[product]=13

which are not correctly retrieved by t3lib_div::_GP('tipUrl')

How do I fix this?

Andrea