your thinking a multi-dimentional array.
$array = array();
$array[0][0] = "data0";
$array[0][1] = "data1";
$array[0][2] = "data2";
$array[0][3] = "data3";
$array[0][4] = "data4";
$array[1][0] = "data0";
$array[1][1] = "data1";
$array[2][0] = "data0";
$array[2][1] = "data1";
$array[2][2] = "data2";
foreach ($array as $key=>$value)
{
if(is_array($value)
{
foreach($value as $key2=>$value2)
{
echo "$key2: $value2<br>";
}
}
else
{
echo "$key: $value<br>";
}
}