【PHP/演習問題】代入演算子（省略形）[2]

$ php practice.php 1 3 5 7 9
total : 25

<?php

$total = 0;
$total += $argv[1];
$total += $argv[2];
$total += $argv[3];
$total += $argv[4];
$total += $argv[5];

echo 'total : '.$total."\n";

?>