Implement PHP script that parses multiple results of race heat and generate general rank based on the addition a subset of all races heat

Detail description: Html web page form: - button to select multiple files - input value called "numberOfCountedRaces" - button to post launch Php script: Parse all race results files, and compute for each drivers the total number of point which is the addition of the point of his best "numberOfCountedRaces" races result (the lower number of point, the better it is) How is computed a Parse file up to line "=========" Then for each next line then for each pilot name 1 point for the pilot on first line 2 point for the pilot on first line 3 point for the pilot on third line 4 point for the pilot on fourth line .... .... .... up to last line with "|" in the line Generate a html table sorted by number of point for each pilot from minimal to maximal On each line column 1: 'Total number of point', Column 2: 'pilot name' Error check: verify that all pilotes list (number and names) is identical in all races otherwise display a message, "pilotes list names are not identical"