"> What will be the output of the following php code?<?php$n
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  1. What will be the output of the following php code?
    <?php
    $n  = "12";
    $n1 = "21";
    print $n+$n1;
    ?>
    1. 33
    2. Error
    3. 12+21
    4. 12
    5. 21
Correct Option: A

The numbers inside the double quotes are considered as integers and not string, therefore the value 33 is printed and not 12+21.


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