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posix_setuid

(PHP 4, PHP 5, PHP 7)
Set the UID of the current process
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.

Parameters:
uid

The user id.

Returns:

Returns TRUE on success or FALSE on failure.

Examples:
posix_setuid() example

This example will show the current user id and then set it to a different value.

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<?php
echo posix_getuid()."\n"; //10001
echo posix_geteuid()."\n"; //10001
posix_setuid(10000);
echo posix_getuid()."\n"; //10000
echo posix_geteuid()."\n"; //10000
?>
See also:

posix_setgid() -

posix_seteuid() -

posix_getuid() -

posix_geteuid() -

doc_php
doc_php
2025-01-10 15:47:30
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