php array sum

<?php
 
$arrs = [150,300,400];
$sum=0;
 
foreach ($arrs as $arr) {
    $sum+= $arr;
}
 
echo $sum;
 
?>

결과는 850

더 간단히

<?php
 
$arrs = [150,300,400];
 
echo array_sum($arrs);
 
?>