$stack1 = array();
for($i = 0; $i < sizeof($stack1); $i++)
{
$data1[$i] = mysql_query("SELECT Co FROM levels WHERE IDLevel='1' AND N='$stack1[$i]' AND IDEmotion='1' ") or die(mysql_error());
$d1[$i]=mysql_fetch_array($data1[$i]);
$_SESSION [$i]['G1']=$d1[$i]['Co'];
}
When I echo $_SESSION [$i], it prints correctly but it gives the following notice:
( ! ) Notice: Unknown: Skipping numeric key 0 in Unknown on line 0
( ! ) Notice: Unknown: Skipping numeric key 1 in Unknown on line 0
( ! ) Notice: Unknown: Skipping numeric key 2 in Unknown on line 0
I do not know why. Is there any idea?