Created
June 14, 2018 11:14
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| <?php | |
| /** | |
| * Created by PhpStorm. | |
| * User: ps | |
| * Date: 14.06.18 | |
| * Time: 9:23 | |
| */ | |
| $ranges = [ | |
| 6000 => 1986, | |
| 5500 => 1498, | |
| 5400 => 1286, | |
| 5300 => 1138, | |
| 5200 => 926, | |
| 5100 => 830, | |
| 5000 => 679, | |
| 4900 => 614, | |
| 4800 => 522, | |
| 4500 => 422, | |
| 4000 => 346, | |
| 3500 => 254, | |
| 2500 => 218, | |
| 1500 => 178 | |
| ]; | |
| $min = 1; | |
| $max = 6000; | |
| function calc_range($min, $max, $ranges) | |
| { | |
| ksort($ranges); | |
| $lesses = array_filter($ranges, function ($value, $key) use ($min) { return $key < $min; }, ARRAY_FILTER_USE_BOTH); | |
| $greater = array_filter($ranges, function ($value, $key) use ($max) { return $key > $max; }, ARRAY_FILTER_USE_BOTH); | |
| $ranges = array_diff_key($ranges, $lesses); | |
| $ranges = array_diff_key($ranges, $greater); | |
| $ret = 0; | |
| $tmp = $min; | |
| foreach ($ranges as $range => $coefficient) { | |
| $ret += ($range - $tmp) * $coefficient; | |
| $tmp = $range; | |
| if($range >= $max) { | |
| $ret += $range - $max; | |
| } | |
| } | |
| return $ret / 100; | |
| } | |
| echo calc_range($min, $max, $ranges); |
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