POSIX_SETGID(3) 1 POSIX_SETGID(3)
posix_setgid - Set the GID of the current process
SYNOPSIS
bool posix_setgid (int $gid)
DESCRIPTION
Set the real 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. The appropriate order of function calls is posix_setgid(3) first, posix_setuid(3) last.
Note
If the caller is a super user, this will also set the effective group id.
PARAMETERS
o $gid
- The group id.
RETURN VALUES
Returns TRUE on success or FALSE on failure.
EXAMPLES
Example #1
posix_setgid(3) example
This example will print out the effective group id, once it is changed.
<?php
echo 'My real group id is '.posix_getgid(); //20
posix_setgid(40);
echo 'My real group id is '.posix_getgid(); //40
echo 'My effective group id is '.posix_getegid(); //40
?>
SEE ALSO
posix_getgrgid(3), posix_getgid(3).
PHP Documentation Group POSIX_SETGID(3)
