PHP - Download file using "wget"

wget.php

<?php
function __callURLinBackground($url) {
  exec("wget -bqc ".$url." -P /var/www/html/", $output, $result_code);
  echo $output;
  echo $result_code;
  echo '<pre>';print_r($output);
  echo '<pre>';print_r($result_code);
  echo 'Running in background';
}
// call a URL in background
__callURLinBackground('https://sample-videos.com/csv/Sample-Spreadsheet-10-rows.csv');
?>