PHP 遍历目录

function loopDir($path)
{
    
    //判断目录是否为空
    if(!file_exists($path)) {
        return [];
    }

    $files = scandir($path);
    $result = [];
    foreach($files as $file) {
        $newPath = $path .DIRECTORY_SEPARATOR . $file;
        if(is_dir($newPath) && $file != '.' && $file != '..') {
            $result = array_merge($result, loopDir($newPath));
        }else if(is_file($newPath)){
            $result[] = $newPath;
        }
    }

    return $result;
}