PHP
处理控制 | Process Control

posix_setuid

posix_setuid

(PHP 4, PHP 5, PHP 7)

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.

Parameters

uid

The user id.

Return Values

Returns TRUE on success or FALSE on failure.

Examples

Example #1 posix_setuid() example

This example will show the current 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 ?>

See Also

  • posix_setgid() - Set the GID of the current process

  • posix_seteuid() - Set the effective UID of the current process

  • posix_getuid() - Return the real user ID of the current process

  • posix_geteuid() - Return the effective user ID of the current process

← posix_setsid

posix_strerror →

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https://secure.php.net/manual/en/function.posix-setuid.php