(PHP 4 >= 4.0.2, PHP 5, PHP 7)
posix_setegid — Set the effective GID of the current process
$gid
)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.
gidThe group id.
Retorna TRUE em caso de sucesso ou FALSE em caso de falha.
Exemplo #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
?>