Merhaba Arkadaşlar
PHP kredi hesaplama verilerini post ettiğim modal bölümüne yazdıramıyorum, bu konuda yardım edebilirmisiniz, kod bloklarım aşağıdaki gibi

kredi.php
<div class="modal fade" id="empModal" role="dialog">
                <div class="modal-dialog">
                
                    <!-- Modal content-->
                    <div class="modal-content">
                        <div class="modal-header">
                            <h4 class="modal-title">User Info</h4>
                          <button type="button" class="close" data-dismiss="modal">&times;</button>
                          
                        </div>
                        <div class="modal-body">
                          
                        </div>
                        <div class="modal-footer">
                          <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                        </div>
                    </div>
                  
                </div>
            </div>

<div class="widget">
                            <h3 class="sidebar-title">Başlık</h3>
                            <form class="mortgage-calc">
                                <div class="calc-input">
                                    <input type="text" class="form-control" name="kredi" placeholder="Kredi Tutarı" required />
                                    <label class="fa fa-try"></label>
                                </div>
                                <div class="calc-input">
                                    <select class="form-control" name="vade" required>
                                        <option value="12">12 Ay</option>
                                        <option value="24">24 Ay</option>
                                        <option value="36">36 Ay</option>
                                        <option value="48">48 Ay</option>
                                    </select>
                                    <label class="lni-calendar"></label>
                                </div>
                                <div class="calc-input">
                                    <input type="text" class="form-control" name="faiz" placeholder="Faiz Oranı" required />
                                    <label>%</label>
                                </div>
                                <div class="calc-input">
                                    <input type="text" class="form-control" name="bsmv" value="0.05" placeholder="BSMV" />
                                    <label>BSMV</label>
                                </div>
                                <div class="calc-input">
                                    <input type="text" class="form-control" name="kkdf" value="0.15" placeholder="KKDF" />
                                    <label>KKDF</label>
                                </div>
                                <button type="submit" class="btn btn-common">Hesapla</button>
                            </form>
                        </div>
<script type='text/javascript'>
            $(document).ready(function(){

                $('.userinfo').click(function(){
                   
                    var userid = $(this).data('id');

                    // AJAX request
                    $.ajax({
                        url: 'kredihesapla.php',
                        type: 'post',
                        data: {userid: userid},
                        success: function(response){ 
                            // Add response in Modal body
                            $('.modal-body').html(response); 

                            // Display Modal
                            $('#empModal').modal('show'); 
                        }
                    });
                });
            });
            </script>
kredihesapla.php
<?php
    $bul = array(' ',',','.');
    $degistir = array('','','');
      $kredi = str_replace($bul, $degistir, $_POST['kredi']);
    $vade = $_POST['vade']; // Kaç taksit olacak
    $bul = array(',',' ');
    $degistir = array('.','');
    $faiz = str_replace($bul, $degistir, $_POST['faiz']);
    $bul = array(',',' ');
    $degistir = array('.','');
      $bsmv = str_replace($bul, $degistir, $_POST['bsmv']);
      $kkdf = str_replace($bul, $degistir, $_POST['kkdf']);
      $vergi_faiz = ($faiz / 100) * (1 + $bsmv + $kkdf);
        $deger1 = $vergi_faiz * pow((1+$vergi_faiz),$vade);
        $deger2 = pow((1+$vergi_faiz),$vade) - 1;
        $taksit = $kredi * $deger1/$deger2;
?>
<div class="col-12">
                  <table class="table table-bordered">
                      <tr>
                          <th>Kredi Tutarı</th>
                          <th>Kredi Vadesi</th>
                          <th>Kredi Faizi</th>
                          <th>BSMV</th>
                          <th>KKDF</th>
                          <th>Taksit Tutarı</th>
                      </tr>
                      <tr>
                          <td><?=number_format($kredi, 2, ',', '.')?></td>
                          <td><?=$vade?></td>
                          <td><?=$faiz?></td>
                          <td><?=$bsmv?></td>
                          <td><?=$kkdf?></td>
                          <td><?=number_format($taksit, 2, ',', '.')?></td>
                      </tr>
                  </table>
                  <table class="table table-bordered table-striped">
                      <tr>
                          <th>Dönem</th>
                          <th>Taksit Tutarı</th>
                          <th>Anapara</th>
                          <th>Faiz</th>
                          <th>KKDF</th>
                          <th>BSMV</th>
                          <th>Kalan Anapara</th>
                      </tr>
                      <?php
                          for ($row = '1'; $row <= $vade; $row++) {
                              if ($row == '1') {
                  // Birinci Satır
                                  $_faiz = $kredi * ($faiz / 100);
                                  $_kkdf = $_faiz * $kkdf;
                                  $_bsmv = $_faiz * $bsmv;
                                  $_anapara = $taksit - ($_faiz + $_kkdf + $_bsmv);
                                  $_kalananapara = $kredi - $_anapara;
                                  echo '<tr>';
                                  echo '<td>'.$row.'</td>';
                                  echo '<td>'.number_format($taksit, 2, ',', '.').' TL</td>';
                                  echo '<td>'.number_format($_anapara, 2, ',', '.').'</td>';
                                  echo '<td>'.number_format($_faiz, 2, ',', '.').'</td>';
                                  echo '<td>'.$_kkdf.'</td>';
                                  echo '<td>'.$_bsmv.'</td>';
                                  echo '<td>'.number_format($_kalananapara, 2, ',', '.').'</td>';
                                  echo '</tr>';
                              }else{
                  // Diğer Satırlar
                                  $_faiz = $_kalananapara * ($faiz / 100);
                                  $_kkdf = $_faiz * $kkdf;
                                  $_bsmv = $_faiz * $bsmv;
                                  $_anapara = $taksit - ($_faiz + $_kkdf + $_bsmv);
                                  $_kalananapara = $_kalananapara - $_anapara;
                                  echo '<tr>';
                                  echo '<td>'.$row.'</td>';
                                  echo '<td>'.number_format($taksit, 2, ',', '.').' TL</td>';
                                  echo '<td>'.number_format($_anapara, 2, ',', '.').'</td>';
                                  echo '<td>'.number_format($_faiz, 2, ',', '.').'</td>';
                                  echo '<td>'.number_format($_kkdf, 2, ',', '.').'</td>';
                                  echo '<td>'.number_format($_bsmv, 2, ',', '.').'</td>';
                                  echo '<td>'.number_format($_kalananapara, 2, ',', '.').'</td>';
                                  echo '</tr>';
                              }
                          }
                      ?>
                  </table>
              </div>