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Question

What will be the output of the following PHP code?
<?php
    $value = 'car';
    $result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE);
    ?>

a.

FALSE

b.

TRUE

c.

NULL

d.

ERROR

Posted under PHP

Answer: (c).NULL

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Q. What will be the output of the following PHP code?

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