Using MySQL in C# on Windows Phone via PHP

Using MySQL in C# on Windows Phone via PHP

I am developing a C# application for a school project and i basicaly need
to make basic database operations (mostly inserts),my teacher recomended
me to make my C# aplication on WP to call a PHP file to do the operations
on my server database.My question is how i get to call the php and send
parameters to it via C#?