posix_geteuid()

(PHP 4, PHP 5, PHP 7)

Return the effective user ID of the current process

说明

posix_geteuid(void): 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.

返回值

Returns the user id, as an integer

范例

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
?>

参见

• 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)