What Will Be The Output Of The Following Php Codep Pre Langphp #139

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php $value = 'car'; $result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE); ?> </code></pre>

This multiple choice question (MCQ) is related to the book/course gs gs107 PHP: Hypertext Preprocessor. It can also be found in gs gs107 Error Handling and Exception Handling - PHP Filter - Quiz No.1.

 <?php $value = 'car'; $result = filter_var($value, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE); ?>