posix_setegid
(PHP 4 >= 4.0.2, PHP 5)
posix_setegid -- Set the effective GID of the current process
Description
bool
posix_setegid ( int gid )
Set the effective group ID of the current process. This is a
privileged function and you need appropriate privileges (usually
root) on your system to be able to perform this function.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example 1. posix_setegid() example
This example will print out your effective group id, once you
change it.
#!/usr/local/bin/php <?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 ?>
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