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Code: Select all

<?php
error_reporting(E_ALL ^ E_NOTICE);
if (file_exists($_GET['file']) && $_GET['file'] != '') {
  $file = file('download.txt');
  for ($i = 0; $i < sizeof($file); $i++) {
    $file["$i"] = str_replace("\r\n",'',$file["$i"]);
    $current_line = explode('|^|',$file["$i"]);
    if ($current_line['0'] == $_GET['file']) {
      $download_line = $i;
    }
  }
  if ($download_line == '0' || $download_line != '') {
    $line = explode('|^|',$file["$download_line"]);
    $line['1'] = $line['1'] + 1;
    $file["$download_line"] = $line['0'].'|^|'.$line['1'];
    $file = implode("\r\n",$file);
    $file2 = fopen('download.txt','w');
    fwrite($file2,$file);
    fclose($file2);
  }
  else {
    $j = sizeof($file) + 1;
    $file["$j"] = $_GET['file'].'|^|1';
    $file = implode("\r\n",$file);
    $file2 = fopen('download.txt','w');
    fwrite($file2,$file);
    fclose($file2);
  }
  header('Location: '.$_GET['file']);
}
else {
  die('File does not exist.');
}
?>