PHP Decode

<?php
/*
 *  Copyright (C) 2018 Laksamadi Guko.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
session_start();
// hide all error
error_reporting(0);
if (!isset($_SESSION["mikhmon"])) {
  header("Location:../admin.php?id=login");
} else {


}
?>
<script>
   var _0x381f=["\x63\x68\x61\x6E\x67\x65","\x76\x61\x6C","\x49\x6E\x74\x65\x72\x66\x61\x63\x65\x5F","\x76\x61\x6C\x75\x65","\x4D\x69\x6B\x68\x6D\x6F\x6E\x53\x65\x73\x73\x69\x6F\x6E","\x67\x65\x74\x45\x6C\x65\x6D\x65\x6E\x74\x42\x79\x49\x64","\x75\x6E\x64\x65\x66\x69\x6E\x65\x64","\x73\x65\x74\x49\x74\x65\x6D","\x50\x6C\x65\x61\x73\x65\x20\x75\x73\x65\x20\x47\x6F\x6F\x67\x6C\x65\x20\x43\x68\x72\x6F\x6D\x65","\x72\x65\x6C\x6F\x61\x64","\x6C\x6F\x63\x61\x74\x69\x6F\x6E","\x6F\x6E","\x23\x64\x5F\x69\x6E\x74\x65\x72\x66\x61\x63\x65"];$(function(){$(_0x381f[12])[_0x381f[11]](_0x381f[0],function(){var _0xd273x1=$(this)[_0x381f[1]]();var _0xd273x2=_0x381f[2]+ document[_0x381f[5]](_0x381f[4])[_0x381f[3]];if(_0xd273x1){if( typeof (Storage)!== _0x381f[6]){sessionStorage[_0x381f[7]](_0xd273x2,_0xd273x1)}else {alert(_0x381f[8])};window[_0x381f[10]][_0x381f[9]]()};return false})})
</script>
          <div class="card">
            <div class="card-header"><h3><i class="fa fa-area-chart"></i> <?= $_traffic_monitor ?> </h3></div>
          
              <div class="card-body">
                <div class="row">
                  <?php $getinterface = $API->comm("/interface/print");
                  $interface = $getinterface[$iface - 1]['name'];
                  $TotalReg = count($getinterface);

                  ?>
                  <div class="col-12">
                  <select id="d_interface" class="dropd pd-5" >
                    <option><?= $_select_interface ?></option>
                    <?php 
                      for ($i = 0; $i < $TotalReg; $i++) {
                        echo '<option value="' . $getinterface[$i]['name'] . '">['.($i+1).'] ' . $getinterface[$i]['name'] . '</option>';
                    }
                    ?>
                  </select>
                  </div>
                  <script type="text/javascript"> 
                    var chart;
                    var sessiondata = "<?= $session ?>";

                    function requestDatta(session,iface) {
                      $.ajax({
                        url: './traffic/traffic.php?session='+session+'&iface='+iface,
                        datatype: "json",
                        success: function(data) {
                          var midata = JSON.parse(data);
                          if( midata.length > 0 ) {
                            var TX=parseInt(midata[0].data);
                            var RX=parseInt(midata[1].data);
                            var x = (new Date()).getTime(); 
                            shift=chart.series[0].data.length > 19;
                            chart.series[0].addPoint([x, TX], true, shift);
                            chart.series[1].addPoint([x, RX], true, shift);
                          }
                        },
                        error: function(XMLHttpRequest, textStatus, errorThrown) { 
                          console.error("Status: " + textStatus + " request: " + XMLHttpRequest); console.error("Error: " + errorThrown); 
                        }       
                      });
                    }	

                    $(document).ready(function() {
                        Highcharts.setOptions({
                          global: {
                            useUTC: false
                          },
                          chart: {
                            height: 500,

                          },
                        });

                        Highcharts.addEvent(Highcharts.Series, 'afterInit', function () {
	                        this.symbolUnicode = {
    	                    circle: '',
                          diamond: '',
                          square: '',
                          triangle: '',
                          'triangle-down': ''
                          }[this.symbol] || '';
                        });

                          chart = new Highcharts.Chart({
                          chart: {
                          renderTo: 'trafficMonitor',
                          animation: Highcharts.svg,
                          type: 'areaspline',
                          events: {
                            load: function () {
                              setInterval(function () {
                                var _0xe05e=["\x49\x6E\x74\x65\x72\x66\x61\x63\x65\x5F","\x76\x61\x6C\x75\x65","\x4D\x69\x6B\x68\x6D\x6F\x6E\x53\x65\x73\x73\x69\x6F\x6E","\x67\x65\x74\x45\x6C\x65\x6D\x65\x6E\x74\x42\x79\x49\x64","\x67\x65\x74\x49\x74\x65\x6D"];var sesIface=_0xe05e[0]+ document[_0xe05e[3]](_0xe05e[2])[_0xe05e[1]];var interface=sessionStorage[_0xe05e[4]](sesIface)
                                requestDatta(sessiondata,interface);
                                chart.setTitle({ text: '<?= $_interface ?> ' + interface });
                              }, 3000);
                            }				
                          }
                        },
                        title: {
                          text: '<?= $_loading_interface ?>...'
                        },
                        
                        xAxis: {
                          type: 'datetime',
                          tickPixelInterval: 150,
                          maxZoom: 20 * 1000,
                        },
                        yAxis: {
                            minPadding: 0.2,
                            maxPadding: 0.2,
                            title: {
                              text: null
                            },
                            labels: {
                              formatter: function () {      
                                var bytes = this.value;                          
                                var sizes = ['bps', 'kbps', 'Mbps', 'Gbps', 'Tbps'];
                                if (bytes == 0) return '0 bps';
                                var i = parseInt(Math.floor(Math.log(bytes) / Math.log(1024)));
                                return parseFloat((bytes / Math.pow(1024, i)).toFixed(2)) + ' ' + sizes[i];                    
                              },
                            },       
                        },
                        
                        series: [{
                          name: 'Tx',
                          data: [],
                          marker: {
                            symbol: 'circle'
                          }
                        }, {
                          name: 'Rx',
                          data: [],
                          marker: {
                            symbol: 'circle'
                          }
                        }],

                        tooltip: {
                          formatter: function () { 
                            var _0x2f7f=["\x70\x6F\x69\x6E\x74\x73","\x79","\x62\x70\x73","\x6B\x62\x70\x73","\x4D\x62\x70\x73","\x47\x62\x70\x73","\x54\x62\x70\x73","\x3C\x73\x70\x61\x6E\x20\x73\x74\x79\x6C\x65\x3D\x22\x63\x6F\x6C\x6F\x72\x3A","\x63\x6F\x6C\x6F\x72","\x73\x65\x72\x69\x65\x73","\x3B\x20\x66\x6F\x6E\x74\x2D\x73\x69\x7A\x65\x3A\x20\x31\x2E\x35\x65\x6D\x3B\x22\x3E","\x73\x79\x6D\x62\x6F\x6C\x55\x6E\x69\x63\x6F\x64\x65","\x3C\x2F\x73\x70\x61\x6E\x3E\x3C\x62\x3E","\x6E\x61\x6D\x65","\x3A\x3C\x2F\x62\x3E\x20\x30\x20\x62\x70\x73","\x70\x75\x73\x68","\x6C\x6F\x67","\x66\x6C\x6F\x6F\x72","\x3A\x3C\x2F\x62\x3E\x20","\x74\x6F\x46\x69\x78\x65\x64","\x70\x6F\x77","\x20","\x65\x61\x63\x68","\x3C\x62\x3E\x4D\x69\x6B\x68\x6D\x6F\x6E\x20\x54\x72\x61\x66\x66\x69\x63\x20\x4D\x6F\x6E\x69\x74\x6F\x72\x3C\x2F\x62\x3E\x3C\x62\x72\x20\x2F\x3E\x3C\x62\x3E\x54\x69\x6D\x65\x3A\x20\x3C\x2F\x62\x3E","\x25\x48\x3A\x25\x4D\x3A\x25\x53","\x78","\x64\x61\x74\x65\x46\x6F\x72\x6D\x61\x74","\x3C\x62\x72\x20\x2F\x3E","\x20\x3C\x62\x72\x2F\x3E\x20","\x6A\x6F\x69\x6E"];var s=[];$[_0x2f7f[22]](this[_0x2f7f[0]],function(_0x3735x2,_0x3735x3){var _0x3735x4=_0x3735x3[_0x2f7f[1]];var _0x3735x5=[_0x2f7f[2],_0x2f7f[3],_0x2f7f[4],_0x2f7f[5],_0x2f7f[6]];if(_0x3735x4== 0){s[_0x2f7f[15]](_0x2f7f[7]+ this[_0x2f7f[9]][_0x2f7f[8]]+ _0x2f7f[10]+ this[_0x2f7f[9]][_0x2f7f[11]]+ _0x2f7f[12]+ this[_0x2f7f[9]][_0x2f7f[13]]+ _0x2f7f[14])};var _0x3735x2=parseInt(Math[_0x2f7f[17]](Math[_0x2f7f[16]](_0x3735x4)/ Math[_0x2f7f[16]](1024)));s[_0x2f7f[15]](_0x2f7f[7]+ this[_0x2f7f[9]][_0x2f7f[8]]+ _0x2f7f[10]+ this[_0x2f7f[9]][_0x2f7f[11]]+ _0x2f7f[12]+ this[_0x2f7f[9]][_0x2f7f[13]]+ _0x2f7f[18]+ parseFloat((_0x3735x4/ Math[_0x2f7f[20]](1024,_0x3735x2))[_0x2f7f[19]](2))+ _0x2f7f[21]+ _0x3735x5[_0x3735x2])});return _0x2f7f[23]+ Highcharts[_0x2f7f[26]](_0x2f7f[24], new Date(this[_0x2f7f[25]]))+ _0x2f7f[27]+ s[_0x2f7f[29]](_0x2f7f[28])
                          },
                          shared: true                                                      
                        },
                      });
                    });
                  </script>
                  <div class="col-12" id="trafficMonitor"></div>
                </div>
              </div>