What Will Be The Output Of The Following Php Codep Pre Langphp #709

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php function constant() { define("GREETING", "Welcome to Narnia"); echo greeting; } ?> </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 Functions - PHP Functions - Quiz No.6.

 <?php function constant() { define("GREETING", "Welcome to Narnia"); echo greeting; } ?>