compare 2 arrays

[V0d0o0]

$array1=[ifcfg-eth2 ifcfg-eth0:1 ifcfg-eth0:2 ifcfg-eth1:1]
$arra2=[eth0 eth1 eth2]

i am trying to compare them both using array_diff
how can change the 2nd array so as to get the result in ifcfg-eth2
cheers..