PHP Decode

<?php $update='';$sys=$db->fetch_single_row(base64_decode('Y29uZmlnX3VzZXI='),base64_decode('aWQ='),1);$kode_pt=$sys->kode_pt;$check_latest_version=$db->fetch_custom_single(base64_decode('c2VsZWN0IHZlcnNpb24gZnJvbSBzeXNfdXBkYXRlIHdoZXJlIHN0YXR1c19jb21wbGV0ZT0nWScgb3JkZXIgYnkgdmVyc2lvbiBkZXNjIGxpbWl0IDE='));$check_server_version=service_url(base64_decode('Y2hlY2tfdmVyc2lvbg==')).base64_decode('P2tvZGVfcHQ9').$kode_pt."&local_last=$check_latest_version->version";$json_server_version_status=fetch_curl($check_server_version);if($json_server_version_status){$update=base64_decode('PGRpdiBjbGFzcz0iYWxlcnQgYWxlcnQtaW5mbyIgc3R5bGU9Im1hcmdpbi1ib3R0b206IDEwcHg7dGV4dC1hbGlnbjpsZWZ0Ij4NCiAgICAgICAgICBBZGEgVXBkYXRlIHRlcmJhcnUgc2lsYWthbiBrbGlrIHVwZGF0ZQ0KICAgICAgICA8L2Rpdj4=');'';}else{$update='';}?>                <!-- Content Header (Page header) --> 
                <section class="content-header"> 
                    <h1> 
                       Update Aplikasi 
            </h1> 
                       <ol class="breadcrumb"> 
                        <li><a href="<?=base_index();?>"><i class="fa fa-dashboard"></i> Home</a></li> 
                        <li><a href="<?=base_index();?>update">Update Aplikasi</a></li> 
                        <li class="active"> Update Aplikasi</li> 
                    </ol> 
                </section> 
 
                <!-- Main content --> 
                <section class="content"> 
                    <div class="row"> 
                        <div class="col-xs-12"> 
                            <div class="box"> 
 
<table class="table"> 
    <tbody><tr><td> 
        <p id="progress_div" style="float:left;padding-top:5px;padding-left:10px;margin:0px;"></p> 
        <div style="clear:both"></div> 
        <h5 id="info_sinkronisasi" class="alert alert-danger" style="display:none; margin: 10px 0 10px;text-align:left"></h5> 
    </td></tr> 
        <tr> 
            <td style="text-align:center"> 
            <?=$update;?> 
        <div class="alert alert-warning" style="margin-bottom: 10px;text-align:left"> 
          Update Aplikasi digunakan untuk memperbarui file-file aplikasi sesuai dengan versi terbaru. Pastikan Anda Sudah Terkoneksi dengan internet untuk melakukan update ini.<br> 
          <?php $check_latest_version=$db->fetch_custom_single(base64_decode('c2VsZWN0IHZlcnNpb24gZnJvbSBzeXNfdXBkYXRlIHdoZXJlIHN0YXR1c19jb21wbGV0ZT0nWScgb3JkZXIgYnkgdmVyc2lvbiBkZXNjIGxpbWl0IDE='))->version;?> 
          <b>Versi Aplikasi : <?=$check_latest_version;?> </b><br> 
        </div> 
        <span class="btn btn-primary" <?=($update==''?base64_decode('ZGlzYWJsZWQ='):base64_decode('b25jbGljaz0idXBkYXRlKCki'));?>> <i class="fa fa-check"></i> Update Aplikasi</span> 
             </td> 
        </tr> 
    </tbody></table> 
 
                             
                            </div><!-- /.box --> 
                        </div> 
<div class="col-md-12"> 
          <div class="box box-solid"> 
            <div class="box-header with-border"> 
              <i class="fa fa-info"></i> 
 
              <h3 class="box-title">Perubahan Versi <?=$db->fetch_custom_single(base64_decode('c2VsZWN0IHZlcnNpb24gZnJvbSBzeXNfdXBkYXRlIG9yZGVyIGJ5IHZlcnNpb24gZGVzYyBsaW1pdCAx'))->version;?></h3> 
            </div> 
            <!-- /.box-header --> 
            <div class="box-body"> 
            <?=$db->fetch_custom_single(base64_decode('c2VsZWN0IHBlcnViYWhhbiBmcm9tIHN5c191cGRhdGUgb3JkZXIgYnkgdmVyc2lvbiBkZXNjIGxpbWl0IDE='))->perubahan;?> 
            </div> 
            <!-- /.box-body --> 
          </div> 
          <!-- /.box --> 
        </div> 
                    </div> 
                </section><!-- /.content --> 
   
 
 
 
<script type="text/javascript"> 
   
function update() 
{ 
   $('#loadnya').show(); 
    $.ajax({ 
      //?tb="+tb+"&col="+col 
      url: "<?=base_admin();?>system/update/update_action.php", 
      success:function(data){ 
        $("#isi_informasi").html(data); 
        $('#informasi').modal('show'); 
        $('#loadnya').hide(); 
 
        } 
      }); 
} 
 
 
  </script>