1/26 PHP: evenSum

<?php
function evenSum($a, $b){
        $total = 0;
        for($i = $a; $i <= $b ; $i++){
                if($i % 2 == 0){
                        $total += $i;
                }
        }

        return $total;
}

$a = 1;
$b = 10;

$sum = evenSum($a, $b);

echo $sum;

?>