"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 "
"; ?>