原为地址：Warning: mkdir() [function.mkdir]: No such file or directory PHP?
尝试当文件夹不存在的时候创建新的文件夹，出现警告信息，代码如下：
$name = './xls/20190626/';
if(!is_dir($name)){
mkdir($name); //报错
}
我收到以下错误
Warning: mkdir() [function.mkdir]: No such file or directory on line 81
解决方案
放第三个参数。方法签名是：
bool mkdir ( string $pathname [, int $mode = 0777 [, bool $recursive = false [, resource $context ]]] )
所以代码应该为是：
mkdir($name,0777,true);
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