编辑代码

<?php 
function mergeArrays(...$arrays) {
    $result = array_map(null, ...$arrays);
    return $result;
}

// 示例用法
$array1 = ['key1' => 1, 'key2' => 2];
$array2 = ['key1' => 'a', 'key2' => 'b'];
$array3 = ['key1' => 'go', 'key2' => 'back'];

$resultArray = mergeArrays($array1, $array2, $array3);
print_r($resultArray);