(PHP 4, PHP 5, PHP 7, PHP 8)
posix_getgroups — Return the group set of the current process
posix_getgroups(): array|false
Gets the group set of the current process.
This function has no parameters.
Returns an array of integers containing the numeric group ids of the group set of the current process, or false on failure.
Example #1 Example use of posix_getgroups()
<?php $groups = posix_getgroups(); print_r($groups); ?>
The above example will output something similar to:
Array
(
[0] => 4
[1] => 20
[2] => 24
[3] => 25
[4] => 29
[5] => 30
[6] => 33
[7] => 44
[8] => 46
[9] => 104
[10] => 109
[11] => 110
[12] => 1000
)
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https://www.php.net/manual/en/function.posix-getgroups.php