Functional Thinking Ex1

<?php
/**
 * Example for article: http://coderoncode.com/functional-programming-the-paradigm-for-the-next-generation.html
 */
 
 $sumList = [5,4,2,10,1,28,6,5];
 $sum     = 0;
 
 foreach($sumList as $value)
 {
    $sum += $value;
 }
 
 echo $sum;