What will be the output of the following php code?<?php$n = "12";$n1 = "21";print $n+$n1;?>

What will be the output of the following php code?<?php$n = "12";$n1 =

1.	What will be the output of the following php code? <?php $n = "12"; $n1 = "21"; print $n+$n1; ?>
A.	33
B.	Error
C.	12+21
D.	12
E.	21
Answer» B. Error

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What will be the output of the following php code?<?php$n = "12";$n1 = "21";print $n+$n1;?>

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What will be the output of the following php code?
<?php
$n = "12";
$n1 = "21";
print $n+$n1;
?>