自动创建二级目录
data下有两个文件夹 如果没有该目录自动创建 急需代码
------解决方案--------------------
if(!is_dir('/data/test')){
mkdir('/data/test');
}
......
------解决方案--------------------
if(!file_exists('data/test')){
mkdir('data/test');
}
if what does it mean
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