<?php
$existing = [];
$win_numbers = [];
for ($rnd=1;$rnd<=250;$rnd++)
{
  $randoms[] = mt_rand(0,36);  // see this block for generating randoms
}

echo "Random Numbers:<br>";
echo implode('-', $randoms).PHP_EOL;

echo "<br><br>";

$i = 0;
foreach($randoms as $rnd){
   $i++;
   if(in_array($rnd,$existing)){
       $win_numbers[] = $i;
       $i=1;
       $existing = [];
   }
   $existing[] = $rnd;
}

echo "Win Numbers:<br>";
echo implode('-',$win_numbers);

echo "<br><br>";

echo "Moving Averages:<br>";



?>