Conversion d"un code javascript en php

Salut,
est il possible de convertir le code js qui suit en php ?
Code:
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function block() {
}
function test(testnumber) {
       abbitem=document.getElementById('test');
       if(!abbitem){
               block();
       } else if (abbitem.style.display == 'none' | abbitem.style.visibility == 'hidden'){
               block();
       } else if (testnumber!=1){
               setTimeout(function(){test(1);},4000);
       }
             var x_object = null; 
      if(window.XMLHttpRequest){ 
         x_object = new XMLHttpRequest(); 
      }else if(window.ActiveXObject){ 
         try { 
            x_object = new ActiveXObject("Msxml2.XMLHTTP"); 
         } catch (e) { 
            x_object = new ActiveXObject("Microsoft.XMLHTTP"); 
         } 
      } 
 
      x_object.open("GET","stats.php",true); 
      x_object.send(null);
}
function doadblocktest(){
       if(test_orig_onload){test_orig_onload();}
       setTimeout(test,1000);
}
test_orig_onload=window.onload?window.onload:false;
window.onload=doadblocktest;