posix_setegid
(PHP 4 >= 4.0.2, PHP 5, PHP 7)
posix_setegid — Set the effective GID of the current process
Description
posix_setegid ( int $gid ) : bool
Set the effective group ID of the current process. This is a privileged function and needs appropriate privileges (usually root) on the system to be able to perform this function.
Parameters
-
gid -
The group id.
Return Values
Returns true on success or false on failure.
Examples
Example #1 posix_setegid() example
This example will print out the effective group id, once changed.
<?php echo 'My real group id is '.posix_getgid(); //20 posix_setegid(40); echo 'My real group id is '.posix_getgid(); //20 echo 'My effective group id is '.posix_getegid(); //40 ?>
See Also
- posix_getgrgid() - Return info about a group by group id
- posix_getgid() - Return the real group ID of the current process
- posix_setgid() - Set the GID of the current process
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https://www.php.net/manual/en/function.posix-setegid.php