Reset array keys

[Anon]

Hi,
I am having problem with array keys.

At the moment I have:
[2] => "asd"
[56] = "qwe"
[675] = "hgj"

I want to reassign keys, so it would be:
[0] => "asd"
[1] = "qwe"
[2] = "hgj"

Thanks in advance!