3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [1100,3150,4430,4430,5170,7450,7450,7450,8230]; $result = []; $previous = 0; foreach ($arr as $value) { $result[$previous += $value] = $value; } var_export($result);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 1100 => 1100, 4250 => 3150, 8680 => 4430, 13110 => 4430, 18280 => 5170, 25730 => 7450, 33180 => 7450, 40630 => 7450, 48860 => 8230, )
preferences:
75.4 ms | 1262 KiB | 4 Q