What Will Be The Output Of The Following Php Codep Pre Langphp #459

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php $x=0; function fun() { echo $GLOBALS['x']; $GLOBALS['x']++; } fun(); fun(); fun(); ?> </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 Variables - PHP Variables - Quiz No.4.

 <?php $x=0; function fun() { echo $GLOBALS['x']; $GLOBALS['x']++; } fun(); fun(); fun(); ?>