Return the real group ID of the current process

# posix_getgid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_getgid — Return the real group ID of the current process

### Description

posix_getgid(): int

Return the numeric real group ID of the current process.

### Parameters

This function has no parameters.

### Return Values

Returns the real group id, as an int.

### Examples

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
?>`

### See Also

- posix_getgrgid() - Return info about a group by group id
- posix_getegid() - Return the effective group ID of the current process
- posix_setgid() - Set the GID of the current process
- POSIX man page GETGID(2)

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