PHP: filegroup - Manual

(PHP 4, PHP 5, PHP 7, PHP 8)

filegroup — Gets file group

Description

Parameters

filename

Path to the file.

Return Values

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.

Errors/Exceptions

Upon failure, an E_WARNING is emitted.

Examples

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

Notes

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

See Also

• fileowner() - Gets file owner
• posix_getgrgid() - Return info about a group by group id

This function will always return 0 on Windows, because Windows does not support numeric group IDs.