PHP Script for EXCEL Spreadsheet

I need to to take a excel spreadsheet file and convert it into a csv to be able to import it into Drupal. The excel spread file has cells that have to much information that needs to be separated (see attached file) I would like a script that i could run again and again on new files. I would prefer to have the script written in PHP. The excel spreadsheet that is attach is pretty self explanatory. If you have any question please ask