Javascript debugger
Website design
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This example will print out the real group id, even once the effective group id has been 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
?>
posix_getgrgid() for information on how to convert this into a useable group name |
posix_getegid() get effective group id. |
posix_setgid() change the effective group id |
POSIX man page GETGID(2) |