varför får jag följande felmedelande:
Warning: Supplied argument is not a valid MySQL result resource in c:\apache\htdocs\play3r\forum\inlagg.php on line 20
Warning: Cannot add header information - headers already sent by (output started at c:\apache\htdocs\play3r\forum\inlagg.php:20) in c:\apache\htdocs\play3r\forum\inlagg.php on line 23
av denna kod:
1<?
2if(isset($laggtill)){
3if($vad=="trad"){
4if(isset($ruta)&& isset($rubrik)){
5$query = mysql_query("insert into inlagg set svar='nej' and fid='$var' and rubrik='$rubrik' and inlagg='$ruta', and av='$forumusername' and datum='date('Y-m-d H:i:s')',ikon='$radiobutton'");
6$query2 = mysql_query("update forum set senaste='date('Y-m-d H:i:s')' and senasteav='$forumusername' and senastein='$rubrik'");
7$valj = mysql_query("select id from inlagg where svar='nej' and fid='$var' and rubrik='$rubrik' and inlagg='$ruta', and av='$forumusername' and datum='date('Y-m-d H:i:s')',ikon='$radiobutton'");
8while($kolla=mysql_fetch_array($valj)){
9$idz = $kolla["id"];
10}
11header("location:forum3.php?forum=$var&innehall=$idz");
12}else{
13header("location:inlagg.php?vad=$vad&var=$var");
14}
15}elseif($vad=="inlagg"){
16if(isset($ruta)){
17$query3 = mysql_query("insert into inlagg set sid='$trad' and fid='$var' and rubrik='$rubrik' and inlagg='$ruta', and av='$forumusername' and datum='date('Y-m-d H:i:s')' and ikon='$radiobutton'");
18$query4 = mysql_query("update forum set senaste='date('Y-m-d H:i:s')' and senasteav='$forumusername' and senastein='$rubrik'");
19$valj2 = mysql_query("select id from inlagg where sid='$trad' and fid='$var' and av='$forumusername' and inlagg='$ruta'");
20while($kolla2=mysql_fetch_array($valj2)){
21$idz2 = $kolla2["id"];
22}
23header("location:forum3.php?forum=$var&innehall=$idz2");
24
25}else{
26header("location:inlagg.php?vad=$vad&var=$var&trad=$trad");
27
28}
29
30}
31
32
33}
34
35
36?>