filegroup

Gets file group

&reftitle.description; `int` `filegroup` `string` `filename`

Gets the file group. The group ID is returned in numerical format, use `posix_getgrgid` to resolve it to a group name.

&reftitle.parameters;

`filename`

- Path to the file.

&reftitle.returnvalues;

Returns the group ID of the file, or &false; if an error occurs. The group ID is returned in numerical format, use `posix_getgrgid` to resolve it to a group name. Upon failure, &false; is returned.

&reftitle.examples;

### Finding the group of a file

    <?php
    $filename = 'index.php';
    print_r(posix_getgrgid(filegroup($filename)));
    ?>

&reftitle.errors;

Upon failure, an `E_WARNING` is emitted.

&reftitle.notes; ¬e.clearstatcache; &tip.fopen-wrapper.stat;
&reftitle.seealso;

- `fileowner`
- `posix_getgrgid`
- safe_mode_gid