- array_push: documentation ( source)
- var_dump: documentation ( source)
- array_sum: documentation ( source)
- explode: documentation ( source)
<?php
$output = array(0,0,0,0,0);
$testdata = "580,680,480,380";
array_add($output, array_push(explode(",", $testdata), array_sum(explode(",", $testdata))));
var_dump(output);
?>