Online PHP editor | output for i17B1

<?php $relationships=array( array(70), array(70, 71), array(70, 71, 72), array(70, 71, 72), array(70, 71), array(80), array(70, 71), array(70, 71, 72), array(70, 71, 72), array(70, 71, 72), array(70, 71), array(70, 71, 72), array(70, 71, 72, 68) ); $old_count = 0; $index = 0; foreach($relationships as $val){ $tmp = array(); $value = array(); $count = count($val); if($count == 1){ $old_count = 0; $level = array(); $index++; $level[] = $index; } if($old_count == $count) $level[($count-1)] = ($level[($count-1)] == "" || $level[($count-1)] == null) ? 1 : ++$level[($count-1)]; else if($old_count > $count){ $level[($count-1)] = ($level[($count-1)] == "" || $level[($count-1)] == null) ? 1 : ++$level[($count-1)]; for($j = $count; $j <= $old_count; $j++) $level[$j] = 1; }else $level[$count] = 1; for($i = 0; $i < $count; $i++){ $tmp[] = $level[$i]; } $old_count = $count; echo "Indexes: ".implode(".", $tmp)."\n"; }