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<?php $arr=array(1100,3150,4430,4430,5170,7450,7450,7450,8230); $out = array($arr[0]); for ($i = 1; $i < count($arr); $i++) { $out[$i] = $out[$i-1] + $arr[$i]; } $arr = array_combine($out, $arr); print_r($arr);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [1100] => 1100 [4250] => 3150 [8680] => 4430 [13110] => 4430 [18280] => 5170 [25730] => 7450 [33180] => 7450 [40630] => 7450 [48860] => 8230 )

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