<?php $arrays = [ [ "1-1", "1-2", "1-1", "1-2", "1-1", ], [ "3-3", "3-3", "3-4", "3-4", "3-3", ], ]; $first = array_shift($arrays); $res = array_reduce($arrays, function($carry, $item){ foreach($item as $key => $value) { $carry[$key] = $carry[$key] . "," . $value; } return $carry; }, $first); print_r($res);
You have javascript disabled. You will not be able to edit any code.