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What will be the output of the following PHP code?
<?php
$op2 = "blabla";
function foo($op1)
    {
        echo $op1;
        echo $op2;
    }
foo("hello");
?>

A. helloblabla

B. Error

C. hello

D. helloblablablabla

Answer: Option C

Solution(By Examveda Team)

If u want to put some variables in function that was not passed by it, you must use “global”. Inside the function type global $op2.

This Question Belongs to PHP >> Functions

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