<?php
$ranks = array(
  array(1210, 7990832),
  array(1150, 8016778)
);

$ranks_in = $ranks[0][0] - $ranks[1][0];
$points_in = $ranks[1][1] - $ranks[0][1];
$points_per_rank = $points_in / $ranks_in;

echo "ranks: ".$ranks_in . " - Points: ".$points_in . " Points per rank: " .$points_per_rank."\n";
$in = 8006700;
$out = $ranks[1][1];
$ranks_dec = 0;
while(true) {
  if($out > $in) {
	$out = $out - $points_per_rank;
	$ranks_dec++;
	echo $out . " - " . $ranks_dec."\n";
	continue;
  }
  return;
}