file_exists
(PHP 3, PHP 4 )file_exists -- Checks whether a file exists
Description
bool file_exists ( string filename)Returns TRUE if the file specified by filename exists; FALSE otherwise. This function will not work on remote files; the file to be examined must be accessible via the server's filesystem. The results of this function are cached. See clearstatcache() for more details. On windows use "//computername/share/filename" or "\\\\computername\share\filename" to check files on network shares. 这个函数不但对文件适用,而且对目录也适用.
(PHP 3, PHP 4 )file_exists -- Checks whether a file exists
Description
bool file_exists ( string filename)Returns TRUE if the file specified by filename exists; FALSE otherwise. This function will not work on remote files; the file to be examined must be accessible via the server's filesystem. The results of this function are cached. See clearstatcache() for more details. On windows use "//computername/share/filename" or "\\\\computername\share\filename" to check files on network shares. 这个函数不但对文件适用,而且对目录也适用.
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