What will be the output of the following PHP code? <?php

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What will be the output of the following PHP code?

 <?php
 function fun1()
     {
        function fun2()
        {
            echo 'I am Ajit.';
        }        
     echo 'I am Rahul. ';
    }
fun1();
fun2();
?>

1. I am Rahul.
2. I am Ajit.
3. I am Rahul. I am Ajit.
4. Error
5. None of these

Correct Option: C

I am Rahul. I am Ajit.