Php/docs/function.filegroup
filegroup
(PHP 4, PHP 5, PHP 7)
filegroup — Gets file group
Description
filegroup
( string $filename
) : int
Gets the file group. The group ID is returned in numerical format, use posix_getgrgid() to resolve it to a group name.
Parameters
filename
- Path to the file.
Return Values
Returns the group ID of the file, or FALSE
if
an error occurs. The group ID is returned in numerical format, use
posix_getgrgid() to resolve it to a group name.
Upon failure, FALSE
is returned.
Examples
Example #1 Finding the group of a file
<?php$filename = 'index.php';print_r(posix_getgrgid(filegroup($filename)));?>
Errors/Exceptions
Upon failure, an E_WARNING
is emitted.
Notes
Note:
The results of thisfunction are cached. See clearstatcache() for more details.
Tip As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functionality.