Murphy is a former Ireland under-19 and under-21 international, playing in the UEFA Under-19 Championships in 1999. In May 2007, Murphy received his first call up to the senior Republic of Ireland squad for the two-game American tour against Ecuador and Bolivia.
Murphy is a former Ireland under-19 and under-21 international, participating in the UEFA Under-19 Championships in 1999. In May 2007, Murphy received his first summons to the senior Republic of Ireland team for the two-game American tour against Ecuador and Bolivia.