php man page for posix_geteuid

POSIX_GETEUID(3)							 1							  POSIX_GETEUID(3)

posix_geteuid - Return the effective user ID of the current process

SYNOPSIS
       int posix_geteuid (void	)

DESCRIPTION
	Return the numeric effective user ID of the current process. See also posix_getpwuid(3) for information on how to convert this into a use-
       able username.

RETURN VALUES
	Returns the user id, as an integer

EXAMPLES
       Example #1

	      posix_geteuid(3) example

	      This example will show the current user id then set the effective user id to a separate id using	posix_seteuid(3),  then  show  the
	      difference between the real id and the effective id.

	      <?php
	      echo posix_getuid()."
"; //10001
	      echo posix_geteuid()."
"; //10001
	      posix_seteuid(10000);
	      echo posix_getuid()."
"; //10001
	      echo posix_geteuid()."
"; //10000
	      ?>

SEE ALSO
       posix_getpwuid(3), posix_getuid(3), posix_setuid(3), POSIX man page GETEUID(2).

PHP Documentation Group 													  POSIX_GETEUID(3)