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File system function Library: Is_dir

Source: Internet
Author: User
Keywords is_dir php Chinese function manual file system function library
Tags aliyun cache directory file file system function library function function library html
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Is_dir

(PHP3, PHP4)

Is_dir---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; To tell if a file name is a directory

Syntax: bool Is_dir (string filename)

Description:

Returns true if filename exists and is a directory.

The result of this function is placed in the cache buffer, please refer to Clearstatcache () for more information.

Reference: Is_file () Is_link ()

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