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Manual: is_file
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is_file

(PHP3 , PHP4 )

is_file -- 通常ファイルかどうかを調べる

説明

bool is_file (string filename)

filenameが存在して、かつそれが 通常ファイルであればtrueを返します。

この関数の結果はキャッシュされます。詳細は、 clearstatcache() を参照下さい。

is_dir()およびis_link() も参照下さい。


User Contributed Notes: is_file

amraam@ao.net
11-Mar-2000 06:56
It seems that is_file doesn't return true for a file that is 0 bytes. Perhaps it is something with the file system. I am using IIS 3.0 on an NT4 box. I worked around it using !is_dir($filename) but that seems a clunky way to do it. Any thoughts are appreciated.

spam@gawan.dk
15-Apr-2000 09:19
When I'm checking a file in a dir like '../dir' or '../dir/' this function returns false. In this case it gives better results using "if(!is_dir('../dir'))" than "if(is_file('../dir'))" .

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