[PHP] pobierz, plaintext 
<?php
include("config.php");
echo "<select name=\"cid\" onchange=\"self.location.href = this.value\" id=\"cid\" width=\"25\">"
."<option value=\"\">--wybierz--</option>";
$wynik1 = mysql_query("SELECT id, tytul FROM kategorie ORDER BY id");
while ($row1 = mysql_fetch_array($wynik1)) {
 
if($row1['id']==$_GET[cid])
{
$selektor="selected='selected'";
}
else
$selektor="";
 
$cid = intval($row1['id']);
$tytul = $row1['tytul'];
echo"<option $selektor value=\"index.php?cid=".$cid."\">".$tytul."</option>";
}
echo"</select><br>";
//działa
 
 
 
$cid = $_GET['cid'];
if(!empty($cid)) {
 
$dropdown = "<select name=\"mid\" onchange=\"self.location.href = this.value\"  id=\"mid\" width=\"25\">";
$dropdown .= "<option value=\"\">--wybierz--</option>";
$wynik2 = mysql_query("SELECT id, marka FROM marki WHERE cid=".$cid." ORDER BY id");
while ($row2 = mysql_fetch_array($wynik2)) {
$mid = intval($row2['id']);
$marka = $row2['marka'];
 
$dropdown .= "<option value=\"index.php?cid=$_GET[cid]?mid=".$mid."\">".$marka."</option>";
//tu cos chyba jest zle?
 
}
echo $dropdown;
}
 
 
$mid = $_GET['mid'];
if(!empty($mid)) {
 
$dropdown2 = "<select name=\"model\"  id=\"model\" width=\"25\">";
$dropdown2 .= "<option value=\"\">--wybierz--</option>";
$result2 = mysql_query("SELECT id, model, cena FROM modele WHERE mid=".$mid." ORDER BY id");
while ($row = mysql_fetch_array($result2)) {
$id = intval($row['id']);
$model = $row['model'];
$cena = $row['cena'];
$dropdown2 .= "<option value=\"".$id."\">".$model." ".$cena."</option>";
}
$dropdown2 .= "</select><br>";
echo $dropdown2;
}
?>
[PHP] pobierz, plaintext