title: How to call function of one php file from another php file and pass parameters to it?
body: <p>I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this?</p>
  
  <p>I am very new to PHP. So please tell me, should I include the first PHP file into the second?</p>
  
  <p>Please show me an example. You can provide some links if you want.</p>