posix_setuid
(PHP 3 >= 3.0.13, PHP 4, PHP 5)
posix_setuid -- Set the UID of the current process
Description
bool
posix_setuid ( int uid )
Set the real user ID of the current process. This is a privileged
function that needs appropriate privileges (usually root) on
the system to be able to perform this function.
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example 1. posix_setuid() example This example will show the currrent user id and then set
it to a different value.
<?php
echo posix_getuid().'\n'; //10001
echo posix_geteuid().'\n'; //10001
posix_setuid(10000);
echo posix_getuid().'\n'; //10000
echo posix_geteuid().'\n'; //10000
?>
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