What Will Be The Output Of The Following Php Codep Pre Langphp #538

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php $a = '4' ; print + + $a; ?> </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 PHP Operators - PHP Operators - Quiz No.5.

 <?php $a  =  '4' ; print  +  + $a; ?>