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@ 2019-05-29T09:07:21Z

<?php

$arr = array(10,30,10,10,15);
sort($arr);

$res = [];
$curr_sum = 0;

foreach($arr as $each_value){
	if($curr_sum + $each_value <= 30) $curr_sum += $each_value;
	else{
		$res[] = $curr_sum;
		$curr_sum = $each_value;
	}
}

$res[] = $curr_sum;

print_r($res);

Output
Performance
VLD
References
Branches

print_r: documentation ( source)
sort: documentation ( source)

preferences:dark modelive preview

26.05 ms | 402 KiB | 5 Q