posix_setegid — Set the effective GID of the current process
Description
boolposix_setegid
( int$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.
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() for information on how to convert a
group id into a useable group name
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