<?php $array = array( 0 => array(1, 2, 3, 4), 1 => array(1, 3, 2, 4), 2 => array(1, 2, 4, 3), 3 => array(1, 2, 5, 6) ); $filter = array(); $result = array_filter($array, function($e) use (&$filter) { $sum = array_sum($e); $ret = isset($filter[$sum]); $filter[$sum] = true; return !$ret; }); var_dump($result);
You have javascript disabled. You will not be able to edit any code.