Both PHP and ASP.net are impartially choosable as they have powered many of the strong web applications that we are using in our day-to-day life. Anyhow, here given a comparative study on PHP as well as ASP.net, which in turn will help you get some clarity on both platforms. Click here for more details https://www.agriya.com/blog/2017/09/20/php-vs-asp-net-a-real-time-comparative-study/