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PHP : Function Reference : POSIX Functions : posix_getgrgid

posix_getgrgid

Return info about a group by group id (PHP 4, PHP 5)
array posix_getgrgid ( int gid )

Gets information about a group provided its id.

Parameters

gid

The group id.

Return Values

The array elements returned are:

Table 264. The group information array

Element Description
name The name element contains the name of the group. This is a short, usually less than 16 character "handle" of the group, not the real, full name.
passwd The passwd element contains the group's password in an encrypted format. Often, for example on a system employing "shadow" passwords, an asterisk is returned instead.
gid Group ID, should be the same as the gid parameter used when calling the function, and hence redundant.
members This consists of an array of string's for all the members in the group.


ChangeLog

Version Description
4.2.0 Prior to this version, members was simply an integer representing the number of members in the group, and the member names were returned with numerical indices.

Examples

Example 1871. Example use of posix_getgrgid()

<?php

$groupid  
= posix_getegid();
$groupinfo = posix_getgrgid($groupid);

print_r($groupinfo);
?>

The above example will output something similar to:

Array
(
   [name]    => toons
   [passwd]  => x
   [members] => Array
       (
           [0] => tom
           [1] => jerry
       )
   [gid]     => 42
)


See Also
posix_getegid()
posix_getgrnam()
filegroup()
stat()
safe_mode_gid
POSIX man page GETGRNAM(3)

Code Examples / Notes » posix_getgrgid

rcgraves+php

Returns an array containing the elements of the group structure. The array has both numeric indices, each of which is a string naming one member of the group, and named string indices. The array elements are:
<pre>
$_["name"]  string groupname (users)
$_["gid"] integer gidnumber (e.g. 0 for wheel/root)
$_["members"] int number of users in group
$_[0]..$_[n] string usernames in the group
</pre>


tech

okies...
This code should be considered as an OPTION only, it works under MY set of circumstances, and that is all I intended. The below funtion will return the NAME of the GROUP if provided with the Group ID#
 function RC_posix_getgrgid($gid)
   {
$LocationGroup = "/etc/group"; //EDIT THIS IF YOU HAVE A DIFFERENT OS. mine = debian
$fp = fopen ("/etc/group","r");
while ($groupinfo = fscanf ($fp, "%[a-zA-Z0-9]:x:%[0-9]:%[a-zA-Z0-9]\n"))
{
list ($name, $groupID, $nfi) = $groupinfo;
if ($groupID == $gid)
{
$returnval = $name;
}
}
fclose($fp);
   if($returnval) { return $returnval; } else { return 0; }
}


james

in php-4.3 the array returned seems to have changed.
it now returns:
["name"] group name
["passwd"] group password
["members"] group members (array of usernames)
["gid"] numeric group id


Change Language


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posix_access
posix_ctermid
posix_get_last_error
posix_getcwd
posix_getegid
posix_geteuid
posix_getgid
posix_getgrgid
posix_getgrnam
posix_getgroups
posix_getlogin
posix_getpgid
posix_getpgrp
posix_getpid
posix_getppid
posix_getpwnam
posix_getpwuid
posix_getrlimit
posix_getsid
posix_getuid
posix_initgroups
posix_isatty
posix_kill
posix_mkfifo
posix_mknod
posix_setegid
posix_seteuid
posix_setgid
posix_setpgid
posix_setsid
posix_setuid
posix_strerror
posix_times
posix_ttyname
posix_uname
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