PHP script - Convert Number into Words(Indian Currency)?

[Jag]

I want any PHP script which convert any number into words. in Indian Context.

e.g. 545123 should be display in format:
"five lacs forty five thousand one hundred twenty three"

[Ananthanarayanan G]

i've one. but tell me first wat is php script.
mine works in MS excel.
if u need this mail to my id.