function renderBossComposition($current_boss){
      $str = file_get_contents('./content/benchmarks/compositions.json');
      $json_compositions = json_decode($str, true);

      $p_subtext[1] = $json_compositions[$current_boss][0]["1"]["subtext"];
      $p_profession[1] = $json_compositions[$current_boss][0]["1"]["profession"];
      $p_specialization[1] = $json_compositions[$current_boss][0]["1"]["specialization"];
      $p_build[1] = $json_compositions[$current_boss][0]["1"]["build"];
      $p_subtext[2] = $json_compositions[$current_boss][0]["2"]["subtext"];
      $p_profession[2] = $json_compositions[$current_boss][0]["2"]["profession"];
      $p_specialization[2] = $json_compositions[$current_boss][0]["2"]["specialization"];
      $p_build[2] = $json_compositions[$current_boss][0]["2"]["build"];
      $p_subtext[3] = $json_compositions[$current_boss][0]["3"]["subtext"];
      $p_profession[3] = $json_compositions[$current_boss][0]["3"]["profession"];
      $p_specialization[3] = $json_compositions[$current_boss][0]["3"]["specialization"];
      $p_build[3] = $json_compositions[$current_boss][0]["3"]["build"];
      $p_subtext[4] = $json_compositions[$current_boss][0]["4"]["subtext"];
      $p_profession[4] = $json_compositions[$current_boss][0]["4"]["profession"];
      $p_specialization[4] = $json_compositions[$current_boss][0]["4"]["specialization"];
      $p_build[4] = $json_compositions[$current_boss][0]["4"]["build"];
      $p_subtext[5] = $json_compositions[$current_boss][0]["5"]["subtext"];
      $p_profession[5] = $json_compositions[$current_boss][0]["5"]["profession"];
      $p_specialization[5] = $json_compositions[$current_boss][0]["5"]["specialization"];
      $p_build[5] = $json_compositions[$current_boss][0]["5"]["build"];
      $p_subtext[6] = $json_compositions[$current_boss][0]["6"]["subtext"];
      $p_profession[6] = $json_compositions[$current_boss][0]["6"]["profession"];
      $p_specialization[6] = $json_compositions[$current_boss][0]["6"]["specialization"];
      $p_build[6] = $json_compositions[$current_boss][0]["6"]["build"];
      $p_subtext[7] = $json_compositions[$current_boss][0]["7"]["subtext"];
      $p_profession[7] = $json_compositions[$current_boss][0]["7"]["profession"];
      $p_specialization[7] = $json_compositions[$current_boss][0]["7"]["specialization"];
      $p_build[7] = $json_compositions[$current_boss][0]["7"]["build"];
      $p_subtext[8] = $json_compositions[$current_boss][0]["8"]["subtext"];
      $p_profession[8] = $json_compositions[$current_boss][0]["8"]["profession"];
      $p_specialization[8] = $json_compositions[$current_boss][0]["8"]["specialization"];
      $p_build[8] = $json_compositions[$current_boss][0]["8"]["build"];
      $p_subtext[9] = $json_compositions[$current_boss][0]["9"]["subtext"];
      $p_profession[9] = $json_compositions[$current_boss][0]["9"]["profession"];
      $p_specialization[9] = $json_compositions[$current_boss][0]["9"]["specialization"];
      $p_build[9] = $json_compositions[$current_boss][0]["9"]["build"];
      $p_subtext[10] = $json_compositions[$current_boss][0]["10"]["subtext"];
      $p_profession[10] = $json_compositions[$current_boss][0]["10"]["profession"];
      $p_specialization[10] = $json_compositions[$current_boss][0]["10"]["specialization"];
      $p_build[10] = $json_compositions[$current_boss][0]["10"]["build"];

      //added subgroups
       $p_subgroup[1] = $json_compositions[$current_boss][0]["1"]["subgroup"];
       $p_subgroup[2] = $json_compositions[$current_boss][0]["2"]["subgroup"];
       $p_subgroup[3] = $json_compositions[$current_boss][0]["3"]["subgroup"];
       $p_subgroup[4] = $json_compositions[$current_boss][0]["4"]["subgroup"];
       $p_subgroup[5] = $json_compositions[$current_boss][0]["5"]["subgroup"];
       $p_subgroup[6] = $json_compositions[$current_boss][0]["6"]["subgroup"];
       $p_subgroup[7] = $json_compositions[$current_boss][0]["7"]["subgroup"];
       $p_subgroup[8] = $json_compositions[$current_boss][0]["8"]["subgroup"];
       $p_subgroup[9] = $json_compositions[$current_boss][0]["9"]["subgroup"];
       $p_subgroup[10] = $json_compositions[$current_boss][0]["10"]["subgroup"];
        echo'
        <div class="card">
            <div class="card-header clr-benchmarks">
                Composition
            </div>
            <div class="card-body text-center">
        ';
        //iterate through all possible subgroups 1-10
        for ($i = 1; $i <= 10; $i++) {
            $subgroupexists=false;
            //iterate through all players 1-10
            for ($j = 1; $j <= 10; $j++) {
                 if ($p_subgroup[$j] == $i){
                     //check if first time
                     if (!$subgroupexists){
                         $subgroupexists = true;
                         echo '
                         <div class="row">
                            <div class="col-2">
                                Group '.$i.'
                            </div>
                        ';
                     }
                     echo '<div class="col-2">';
                    if ($p_profession[$j] == "any") { echo '<a name="any">';}
                    else{ echo '<a href="/raids/'.$p_profession[$j].'/'.systemStringToURL($p_build[$j]).'/">';}
                    echo'
                            <img src="/assets/icons/professions/'.$p_specialization[$j].'-dark.png" alt="" class="img-fluid benchmarks-composition-icon">
                            </a>
                            <span class="benchmarks-composition-title">'.$p_subtext[$j].'</span>
                        </div>
                    ';
                 }
            }
            //close subgroup div
            if ($subgroupexists){
                echo '
                    </div>
                <hr>
                ';
            }
        }
        //close group composition divs
        echo '
            </div>
        </div>
        ';
 }