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<?php $array = [ 2 => 5, 4 => 1, 8 => 3, 0 => 17, 9 => 2, 11 => 67 ]; $ranges = [ '1-5' => ['min' => 1, 'max' => 5], '6-10' => ['min' => 6, 'max' => 10], '1000-5000' => ['min' => 1000, 'max' => 5000], ]; $result = []; foreach ($ranges as $rangeName => ['min' => $min, 'max' => $max]) { $result[$rangeName] = 0; foreach ($array as $num => $amount) { if ($num < $min) { unset($array[$num]); } elseif ($num <= $max) { $result[$rangeName] += $amount; unset($array[$num]); } } } var_export($result);
Output for 8.1.32 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
array ( '1-5' => 6, '6-10' => 5, '1000-5000' => 0, )

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