<?php $arr1 = [1,2,3]; $arr2 = ["A","B","C"]; $arr = [["A"=>$arr1, "B"=>$arr2],["B"=>$arr1, "C"=>$arr2]]; $callback = function($v1, $v2){ return $v1."-".$v2; }; reset($arr[0]); reset($arr[1]); $res = []; while (current($arr[0]) !== false){ $key = key($arr[0])."-".key($arr[1]); $value = array_map($callback, current($arr[0]), current($arr[1])); $res[$key] = $value; next($arr[0]); next($arr[1]); } print_r($res);
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