多维数组和foreach遍历

<?php
/* 多维数组
一个或多个数组组成的数组*/

$testArr = [
    "neko1" => [["aa1","aa2","aa3"], "a2", "a3", "a4", "a5", "a6", "a7"],
    "neko2" => ["b1", "b2", "b3", "b4", "b5", "b6", "b7"],
    "neko3" => "c"
];

foreach ($testArr as $k => $v) {
    print_r($k);
    echo "<br>";
    print_r($v);
}