PHP

1. PHP number abbreviator
(I have a database with a column containing a variety of numbers written in "shorthand", for example: 5k for 5,000 86.6k for 86,600 4.1m for 4,100,000 1.2b for 1,200,000,000 I'd like to do some calculations with these numbers for a PHP frontend, but I need to convert them into valid integers in order to do so. How could I do this with PHP?)