How do I put the two functions together?
1- Date Range Search in Datatables
https://www.webslesson.info/2017/06/date-range-search-in-datatables-using-php-ajax.html
and
2-Datatables Individual column searching using PHP Ajax Jquery
https://www.webslesson.info/2017/07/datatables-individual-column-searching-using-php-ajax-jquery.html