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

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What will be the output of the following PHP code ?

<?php
$s = 2.2;
switch($s)
{
case 2.1:
    print "Option A";
    break;
case 2.2:
    print "Option B";
    break;
default:
    print "Option C";
}
?>

1. Error
2. Option A
3. Option B
4. Option C
5. None of these

Correct Option: C

it compares it with 2.2 and thus prints Option B and exits.