posix_setuid

(PHP 4, PHP 5)

posix_setuid — Set the UID of the current process

说明

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.

参数

uid: The user id.

返回值

如果成功则返回 TRUE，失败则返回 FALSE。

范例

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
?>

参见

posix_setgid()
posix_seteuid()
posix_getuid()
posix_geteuid()


	PHP5中文手册 posix_setsid posix_strerror POSIX PHP Manual posix_setuid (PHP 4, PHP 5) posix_setuid — Set the UID of the current process 说明 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. 参数 `uid` The user id. 返回值如果成功则返回 `TRUE`，失败则返回 `FALSE`。范例 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 ?>` 参见 posix_setgid() posix_seteuid() posix_getuid() posix_geteuid() posix_setsid posix_strerror POSIX PHP Manual