thinkphp5.1 获取某文件夹下的子文件夹，并输出数组

$dirs = array_map('basename',glob('test'.DIRECTORY_SEPARATOR.'*',GLOB_ONLYDIR));
print_r($dirs);


Array
(
    [0] => test1
    [1] => test2
    [2] => test2
    [3] => test2
)