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# filegroup

(PHP 3, PHP 4 )

filegroup -- Gets file group

## Description

int filegroup ( string filename)

Returns the group ID of the file, or `FALSE` in case of an error. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.

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

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

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