posix_getegid

posix_getegid

Return the effective group ID of the current process

int **posix_getegid**

Return the numeric effective group ID of the current process.

Returns an of the effective group ID. int

Voorbeeld: example

 This example will print out the effective group id, once it is
 changed with .
`posix_setegid`

<?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
?>

is different than 
because effective group ID can be changed by

a calling process using . posix_getegid``posix_getgid``posix_setegid

posix_getgrgid``posix_getgid``posix_setgid