php获取文件夹文件

https://blog.csdn.net/niedewang/article/details/80875510

/**
 * 使用scandir 遍历目录
 *
 * @param $path
 * @return array
 */
function getDir($path)
{
    //判断目录是否为空
    if(!file_exists($path)) {
        return [];
    }

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

    return $fileItem;
}

/**
 * 使用glob 遍历
 * @param $path
 */
function getDir2($path)
{

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

    $fileItem = [];

    //切换如当前目录
    chdir($path);

    foreach(glob('*') as $v) {
        $newPath = $path . DIRECTORY_SEPARATOR . $v;
        if(is_dir($newPath)) {
            $fileItem = array_merge($fileItem,getDir2($newPath));
        }else if(is_file($newPath)) {

            $fileItem[] = $newPath;
        }
    }

    return $fileItem;
}