$arr=array(
array("1", "2", "3"),
array("1", "2", "3"),
array("1", "3", "2"),
array("2", "4", "1", "3"),
array(1=>"2", "4", "1", "3"),
);
foreach($arr as $k=>$a) {
echo $k.".
";
print_r($a);
echo "
";
}
echo "0. == 1.";
if ($arr[0]==$arr[1]) echo " - rovná se";
else echo " - nerovná se";
echo "
";
echo "1. == 2.";
if ($arr[1]==$arr[2]) echo " - rovná se";
else echo " - nerovná se";
echo "
";
echo "2. == 3.";
if ($arr[2]==$arr[3]) echo " - rovná se";
else echo " - nerovná se";
echo "
";
echo "3. == 4.";
if ($arr[3]==$arr[4]) echo " - rovná se";
else echo " - nerovná se";
echo "
";
echo "1. == 2. (sorted)";
if (sort($arr[1])==sort($arr[2])) echo " - rovná se";
else echo " - nerovná se";
echo "
";
?>