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Return the effective user ID of the current process (PHP 4, PHP 5)
int posix_geteuid ( )

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 integer


Example 1869. 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.

echo posix_getuid()."\n"; //10001
echo posix_geteuid()."\n"; //10001
posix_getuid()."\n"; //10001
echo posix_geteuid()."\n"; //10000

See Also
posix_getpwuid() for more information about the user.
posix_getuid() get real user id.
posix_setuid() change the effective user id
POSIX man page GETEUID(2)