posix_geteuid
(PHP 4, PHP 5, PHP 7)
posix_geteuid — Return the effective user ID of the current process
Description
posix_geteuid ( ) : int
Return the numeric effective user ID of the current process. See also posix_getpwuid() for information on how to convert this into a useable username.
Return Values
Returns the user id, as an int
Examples
Example #1 posix_geteuid() example
This example will show the current user id then set the effective user id to a separate id using posix_seteuid(), then show the difference between the real id and the effective id.
<?php echo posix_getuid()."\n"; //10001 echo posix_geteuid()."\n"; //10001 posix_seteuid(10000); echo posix_getuid()."\n"; //10001 echo posix_geteuid()."\n"; //10000 ?>
See Also
- posix_getpwuid() - Return info about a user by user id
- posix_getuid() - Return the real user ID of the current process
- posix_setuid() - Set the UID of the current process
- POSIX man page GETEUID(2)
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https://www.php.net/manual/en/function.posix-geteuid.php