Online PHP editor | output for gPd5e

<?php $data = array( 0 => array( 'gozhi' => 2, 'uzorong' => 1, 'ngangla' => 4, 'langthel' => 5 ), 1 => array( 'gozhi' => 5, 'uzorong' => 0, 'ngangla' => 3, 'langthel' => 2 ), 2 => array( 'gozhi' => 3, 'uzorong' => 0, 'ngangla' => 1, 'langthel' => 3 ), ); $res = array_map(function($item) { return array_map(function() { return array_sum(func_get_args()); }, $item), $data); var_dump($res);