youtube mass reUploader script

<?php
error_reporting(-1);

//downloading
  $down_urls = $_POST['links'];
  $down_urls = preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $down_urls);
  $down_urls = explode("\n", $down_urls);
  $down_urls = array_filter($down_urls);
  if (count($down_urls) > 5) 
    exit("you have more than 5 videos");
  $count = 0;
  foreach($down_urls as $down_url) {
    $titles[$count] = shell_exec("youtube-dl --get-title $down_url");
    $filenames[$count] = shell_exec("youtube-dl --get-filename $down_url");
shell_exec("youtube-dl -o downloads/%\\(id\\)s.%\\(ext\\)s $down_url");
    $count++; }

//uploading
  $description = $_POST['description'];
  $tags = $_POST['tags'];
  $email = $_POST['email'];
  $password = $_POST['password'];
  $category = $_POST['category'];
  for($i=0; $i<$count; $i++) {
    $youtube_link = shell_exec ("youtube-upload --email=$email --password=$password --title=\"$titles[$i]\" --description=\"$description\" --keywords=\"$tags\" --category=$category --api-upload downloads/$filenames[$i]");
    echo "$titles[$i] video uploaded: $youtube_link<br>";
    shell_exec("rm downloads/$filenames[$i]");
 } 

?>