posix_getuid

(3.0.10 - 3.0.18 only, PHP 4 >= 4.0.0)

posix_getuid --  Return the real user ID of the current process

Description

int posix_getuid (void)

Return the numeric real user ID of the current process. See also posix_getpwuid() for information on how to convert this into a useable username.