posix_getgid

(PHP 4, PHP 5)

posix_getgid — Return the real group ID of the current process

说明

int posix_getgid ( void )

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

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)

用户评论:

[#1] vector from ionisis.com [2011-10-14 05:07:16]

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