<?PHP

$filename = "PWC PA8.txt";    
$fp = fopen($filename, "r");//open file in read mode   
$contents = fread($fp, filesize($filename));//read file
//$contents = 'suiiuuiweuieuiiw  jiei weiuie e<Node OfferId="5025" type="OfferNode">';
$cnt=1;
$cnt1=0;
$tdf_id_start =1;
while ($cnt ==1){
    $tdf_id_first = strpos($contents,'<Node OfferId="',$tdf_id_start);
    $tdf_id_second = strpos($contents,'"',$tdf_id_first+15);
     $cnt1++;
    if($tdf_id_first>0){        
    $offer = substr($contents,$tdf_id_first+15,$tdf_id_second-($tdf_id_first+15));        
    $replac_str1= "<ActiveOffer>$offer</ActiveOffer>";
    

    }

    if($tdf_id_first>0 && $offer !=""){
        
        $tdf_id_fourth = strpos($contents,$replac_str1,$tdf_id_second); 
       
                if($tdf_id_fourth >0){
                   // echo $offer."\n";
                    $tdf_id_third = strpos($contents,$replac_str1,$tdf_id_second);
                  
    
                }else{
                    echo $offer."\n";
                    $tdf_id_third= $tdf_id_second+1;
                }
           
     
    }
    $tdf_id_start= $tdf_id_third;
    $offer="";
    if($tdf_id_first>0)
        $cnt=1;
    else
        $cnt=0;

}

echo "Done";

exit();

?>