Online PHP editor | refs for cLsCF

<?php $array = array(new stdClass, new stdClass, new stdClass); for ($i = 0; $i < 3; $i++) { for ($j = 0; $j <= $i; $j++) { $x = $array[$i]; $y = $array[$j]; if ($x < $y) print("$i<$j "); if ($x > $y) print("$i>$j "); if ($x == $y) print("$i===$j "); print(" "); } print("\n"); } var_dump(array_udiff()); print("\n"); $array[0]->a = 10; $array[1]->a = 30; $array[2]->a = 20; for ($i = 0; $i < 3; $i++) { for ($j = 0; $j <= $i; $j++) { $x = $array[$i]; $y = $array[$j]; if ($x < $y) print("$i<$j "); if ($x > $y) print("$i>$j "); if ($x == $y) print("$i===$j "); print(" "); } print("\n"); }