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php中mkdir中异常，浪费时间甚多

WBOY
WBOYOriginal
2016-06-13 10:43:32938browse

php中mkdir中错误，浪费时间甚多

mkdir若上级目录不存在，刚无法创建。此点请注意。我在做王容说的图片上传时浪费时间很多。

第二个知识点：返回文档实际的路径函数：

function fileDir(){$arr=explode('/',$_SERVER[SCRIPT_FILENAME]);for($k=0;$k<count implode><br><br><div class="clear">
                 
              
              
        
            </div></count>
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