The Switzerland international, 25, joined the Gunners from Servette in 2003 but spent last season on loan at AC Milan and Everton.

Centre-half Senderos has been reunited with Roy Hodgson, who he played under during the Fulham manager's stint as head-coach of Switzerland.

He told Fulham's website: "I'm delighted that I am joining the club during the most successful period in its history.

"I will be looking forward to meeting up with my new teammates and of course, Roy Hodgson, a manager I respect very much, shortly after the World Cup.

"I very much hope that I can contribute over the next few seasons and that the Club goes on to achieve more success."

Hodgson added: "Philippe is a player that I have admired for a very long time since he captained Switzerland to the UEFA Under-17 Championship in 2002.

"He is a strong defender who has great aerial presence at both ends of the field and has a superb work ethic which is a vital component for any team's success. I am very much looking forward to working with Philippe next season."

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