What will be the output of the following PHP code ?<?php$n;echo "$n";?

1.	What will be the output of the following PHP code ? <?php $n; echo "$n"; ?>
A.	0
B.	True
C.	1
D.	False
E.	Undefined variable: n
Answer» F.

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What will be the output of the following PHP code ?<?php$n;echo "$n";?>

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What will be the output of the following PHP code ?
<?php
$n;
echo "$n";
?>