What Will Be The Output Of The Following Php Codep Pre Langphp #645

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php function foo($msg) { echo "$msg"; } $var1 = "foo"; $var1("will this work"); ?> </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 Function Basics - Quiz No.1.

 <?php function foo($msg) { echo "$msg"; } $var1 = "foo"; $var1("will this work"); ?>