posix_geteuidposix_getgid
(PHP 4, PHP 5)
posix_getgid — Return the real group ID of the current process
설명
int posix_getgid
( void
)
Return the numeric real group ID of the current process.
반환값
Returns the real group id, as an integer.
예제
Example #1 posix_getgid() example
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
?>
참고
- posix_getgrgid() - Return info about a group by group id for information on how to convert this into a useable group name
- posix_getegid() - Return the effective group ID of the current process get effective group id.
- posix_setgid() - Set the GID of the current process change the effective group id
- POSIX man page GETGID(2)
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