Is there any PHP function to convert number to currency with thousands separators?

Question

Is there any PHP function to convert an integer to Lakh and Crore?

900800 -> 9,00,800
500800 -> 5,00,800

Answer 1

For most locales, use number_format: http://php.net/manual/en/function.number-format.php

For India (Lakh & Crore) use formatInIndianStyle provided in this comment: http://php.net/manual/en/function.number-format.php#40558