That´s all.
I´m looking for the function who only searchs in wikis, without print results but´s it´s imposible to find it!!. Where is??? I´m trying to follow the code to find it but ... 
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And one thing more. Where I can find a good guide to do a program in Moodle?? and a list of functions explainig what they do. What king of parametres they need... What objects are used by one mod.. What type of information they have... Where I can find this??? It´s the only way read code??? Please tell me due to the fact that I´m a little lost, I´m trying to find the good way.
(Soory I do not write ingles very well, I´m Spanish)