How to loop through two or more arrays in php or jq, each array has two elements, as shown below

Question

For example: $a = [A,B] $b = [C,D]

How to loop $array=array(

,

                                                                                                                                                                                            ) ,

                                                   

God help me! ! The method that is not hard-coded can be multiple arrays. The background product specifications are as follows, both js and php can be used

Answer 1

Multiple specifications

Answer 2

<?php

$arr = array();

foreach($a as $key=>$value){

    foreach($b as $key1=>$value1){

        $arrSon[] = $value;

        $arrSon[] = $value1;

        $arr[] = $arrSon;

        unset($arrSon);

    }

}

echo "<pre/>";

print_r($arr);

?>

希望有用