Summing objects property in array

Question

I have an array of objects, and i want to sum value of one of the properties, example:

Array
(
[0] => stdClass Object
    (
        [name] => jon
          


        

Answer 1

$sum = 0;
foreach($arrObj as $key=>$value){
  if(isset($value->commission))
     $sum += $value->commission;
}
echo $sum;