excel - How to skip unresponding url from list of urls in php -

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i have list of urls in excel xheet. reading urls excel sheet , existing urls , non existing urls storing in serapare text files. problem if url not responding loop stopped. aim ship url , check next url.

require_once 'excel_reader2.php'; $data = new spreadsheet_excel_reader("urls.xls");  $totalsheets=count($data->sheets);  for($i=0;$i<count($data->sheets);$i++) // loop sheets in file. {  if(count($data->sheets[$i][cells])>0) // checking sheet not empty     {     $totalrows=count($data->sheets[$i][cells]);     for($j=1;$j<=count($data->sheets[$i][cells]);$j++) // loop used each row of sheet         {         $name=$data->sheets[$i][cells][$j][1];           $url=$data->sheets[$i][cells][$j][2];                     $file_headers =get_headers($url);                 if(strpos($file_headers[0],"200")==true || $file_headers[0]!= 'http/1.1 404 not found')                  {                     $exists = 'yes';                     $myfile = fopen("existurls.txt", "w") or die("unable open file!");                     $text .= $j."  ".$name."    ".$url."\n";                     fwrite($myfile, $text);                     fclose($myfile);                     echo "url exists";                 }                 else                 {                   $exists = 'no';                     $myfile = fopen("nonexisturls.txt", "w") or die("unable open file!");                     $text .= $j."  ".$name."    ".$url."\n";                     fwrite($myfile, $text);                     fclose($myfile);                     echo "url not exists";                 }          }     } }

the code working fine. if url not responding loop stopping , not going next one. please me how skip not responding url , continue loop.


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