(PHP 3, PHP 4 )

is_file -- Tells whether the filename is a regular file


bool is_file ( string filename)

Returns TRUE if the filename exists and is a regular file.

The results of this function are cached. See clearstatcache() for more details.

This function will not work on remote files; the file to be examined must be accessible via the server's filesystem.

See also is_dir() and is_link().