PHP. Руководство по PHP. 2005
posix_geteuid
posix_geteuid
(PHP3>= 3.0.10, PHP4, PHP5)posix_geteuid --
Return the effective user ID of the current process
Description
int posix_geteuid (void)
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.
posix_getegid
posix_getgid