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posix_getgid

(PHP 4, PHP 5, PHP 7)
Return the real group ID of the current process
int posix_getgid ( void )

Return the numeric real group ID of the current process.

Returns:

Returns the real group id, as an integer.

Examples:
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() -

posix_getegid() -

posix_setgid() -

doc_php
doc_php
2016-02-24 16:05:15
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