php教程

posix_getgid

(PHP 4, PHP 5, PHP 7)

posix_getgidReturn the real group ID of the current process

说明

posix_getgid ( void ) : int

Return the numeric real group ID of the current process.

返回值

Returns the real group id, as an integer.

范例

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
?>

参见

User Contributed Notes

vector from ionisis.com 14-Oct-2011 05:07
i came across this error:
Call to undefined function posix_getuid()

which was solved by these commands:
yum -y install php-process
service httpd restart

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