What Will Be The Output Of The Following Php Code P Pre Langphp #405

What will be the output of the following PHP code? </p> <pre><code class="language-php" line="1"> <?php $color = "red"; echo "$color"; echo "$COLOR"; echo "$Color"; ?> </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 Syntax - Quiz No.1.

 <?php $color = "red"; echo "$color"; echo "$COLOR"; echo "$Color"; ?>