What Will Be The Output Of The Following Php Codep Pre Langphp #666

What will be the output of the following PHP code?</p> <pre><code class="language-php" line="1"> <?php function sum($num1, $num2) { $total = $num1 + $num2; echo "chr($total)"; } $var1 = "sum"; $var1(5, 44); ?> </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.2.

 <?php function sum($num1, $num2) { $total = $num1 + $num2; echo "chr($total)"; } $var1 = "sum"; $var1(5, 44); ?>