PHP program to print the full path of the current program file

Program/Source Code:

The source code to print the full path of the current program using __FILE__ magic constant is given below. The given program is compiled and executed successfully.

<?php
//PHP program to print the full path
//of the current program file.

class Sample
{
    public function PrintProgramPath()
    {
        print (__FILE__ . "<br>");
    }
}

$S = new Sample();

$S->PrintProgramPath();
?>

Output:

/var/www/prog.php

Explanation:

In the above program, we created a class Sample that contains a function PrintProgramPath, here we printed the full path of the current program file using magic constant __FILE__, here we executed our program in ubuntu 18.04 operating system using apache server, then it will print appropriate path on the webpage.