script rand5

<div id="content">
      <?
function file_extension($filename)
{
    $path_info = pathinfo($filename);
    return $path_info['extension'];
}
if(isset($_GET["i"])){
  $query = "select * from images where FILE = '" . mysql_real_escape_string($_GET["i"]) . "';";
  $result = mysql_query($query) or die("SQL dotaz nešlo provést");
  $num = mysql_num_rows($result);
  if($num == 1){
  $form = false;
  while ($row=mysql_fetch_array($result)){
  echo "<h2>" . $row["NAME"] . "</h2><a href=\"" . $target_path . $row["FILE"] . "\" target=\"_blank\"><img src=\"" . $target_path . $row["FILE"] . "\" style=\"max-width: 600px; max-height: 400px;\"></a><br>";
        ?><table border=0 id="codes">
        <tr><td>Pouze link: </td><td><input type="text" class="code" value='<? echo $adresa . $target_path . $row["FILE"]; ?>'></td></tr>
        <tr><td>HTML kód: </td><td><input type="text" class="code" value='&lt;a href="<? echo $adresa . $target_path . $row["FILE"]; ?>"&gt;&lt;img src="<? echo $adresa . $target_path . $row["FILE"]; ?>"&gt;&lt;/a&gt;'></td></tr>
        <tr><td>BB kód: </td><td><input type="text" class="code" value='[url=<? echo $adresa . $target_path . $row["FILE"]; ?>][img]<? echo $adresa . $target_path . $row["FILE"]; ?>[/img][/url]'></td></tr>
        </table> <?
  }
  }else{
  $form = true;
  echo "<h4>Omlouváme se, ale daný obrázek neexistuje</h4>";
  }
}
if(!isset($_GET["i"])){
if(isset($_POST["send"])){
  switch(file_extension(strtolower($_FILES['file']['name']))){
    case "png":
    case "jpg":
    case "jpeg":

      $name = md5(time() . rand());
      $target_path = $target_path . $name . "." . file_extension(basename( $_FILES['file']['name']));
      $url = $name . "." . file_extension(basename( $_FILES['file']['name']));
      if(move_uploaded_file($_FILES['file']['tmp_name'], $target_path)) {
      $query = "insert into images(NAME, FILE, UPLOADED) values('" . mysql_real_escape_string($_FILES['file']['name']) . "','" . mysql_real_escape_string($url) . "', now());";
      $result = mysql_query($query) or die("SQL dotaz nešlo provést");
        echo " Obrázek byl nahrán<br><h2>" . $_FILES['file']['name'] . "</h2><a href=\"" . $target_path . "\" target=\"_blank\"><img src=\"" . $target_path . "\" style=\"max-width: 600px; max-height: 400px;\"></a><br>";
        ?><table border=0 id="codes">
        <tr><td>Pouze link: </td><td><input type="text" class="code" value='<? echo $adresa . $target_path; ?>'></td></tr>
        <tr><td>HTML kód: </td><td><input type="text" class="code" value='&lt;a href="<? echo $adresa . $target_path; ?>"&gt;&lt;img src="<? echo $adresa . $target_path; ?>"&gt;&lt;/a&gt;'></td></tr>
        <tr><td>BB kód: </td><td><input type="text" class="code" value='[url=<? echo $adresa . $target_path; ?>][img]<? echo $adresa . $target_path; ?>[/img][/url]'></td></tr>
        </table>
        <?
        $form = false;
      } else{
        echo "Při nahrávání došlo k chybě, zkuste to prosím znovu";
        $form = true;
      }
    break;
    default:
      echo "Nahrávat se můžou pouze obrázky s příponami .png; .jpg; .jpeg";
      $form = true;
    break;
  }
}else{
$form = true;
}}

if($form == true){
  ?>
          <form action="" enctype="multipart/form-data" method="POST">
          Vyber obrázek<br>
          <input type="file" name="file"><br>
          <input type="hidden" name="MAX_FILE_SIZE" value="30000000">
          <input type="submit" name="send" value="Nahrát">
        </form>
<? } ?>
<h3>Náhodné obrázky</h3>
<?  $query = "select * from images order by rand() limit 5";
  $result = mysql_query($query) or die("SQL dotaz nešlo provést");
  while ($row=mysql_fetch_array($result)){
 ?><a href="<? echo $adresa . "?i=" . $row["FILE"]; ?>"><div style="position: relative; width: 130px; height: 130px; float: left; margin-left: 18px;display: vertical-align: middle; "><img src="screens/<? echo $row["FILE"]; ?>" style="width: 130px; height: 130px;"></div></a>
 <?
 }
 ?>
      </div>
    </div>
  </body>
</html>