Newbie MySQL problem

Hi all, im just learning MySQL and im trying to loop through a 2d array and add its values to a table. I don't get any errors but nothing gets added to the table. I have opened all the connections etc. so I am not sure what the problem is: for($a=0;$a<count($categories);$a++){ $sqlquery = "INSERT INTO $cattable VALUES('$id','$categories[$a][0]','$categories[$a][1]','$categories[$a][2]', '$categories[$a][3]','0')"; $results = mysql_query($sqlquery); echo $categories[$a][0],$categories[$a][1],$categories[$a][2],$categories[$a][3], "<br><br>\n\n\n"; } Thanks :-) Adam Charnock PS. This is actually part of a news grabber from moreover.com, I have made a non-MySQL version but it just needs speeding up. If anyone has done this I would love to speak to them :) thanks!