posix_getgid Return the real group ID of the current process php函数


posix_getgid

(PHP 4, PHP 5)

posix_getgidReturn 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)



相关阅读:
posix_getgrgid Return info about a group by group id
posix_getgrnam Return info about a group by name
posix_getgroups Return the group set of the current process
posix_getlogin Return login name
posix_getpgid Get process group id for job control
posix_getpgrp Return the current process group identifier
posix_getpid Return the current process identifier
posix_getppid Return the parent process identifier
posix_getpwnam Return info about a user by username
posix_getpwuid Return info about a user by user id
posix_getrlimit Return info about system resource limits
posix_getsid Get the current sid of the process
posix_getuid Return the real user ID of the current process
posix_get_last_error Retrieve the error number set by the last posix function that failed
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