How to call a php function from JavaScript?

Question

PHP

there is a function in php

function md (){
return "Text";
}

How can I call it when the element is clicked?

Answer 1

Ajax request

Answer 2

No way. JavaScript is called on the client, PHP on the server. I once had a similar question too.
However, it is possible to call js from php -

<?php
echo "<script>my_js_func()</script>";
?>

True, you can use AJAX or something like that if you need to get some data