posix_getgid
(PHP 3 >= 3.0.10, PHP 4, PHP 5)
posix_getgid -- Return the real group ID of the current process
Description
int
posix_getgid ( void )
Return the numeric real group ID of the current process.
Return Values
Returns the real group id, as an integer.
Examples
Example 1. posix_getgid() example
This example will print out the real group id, even once it
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
?>
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