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posix_geteuid

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_geteuidReturn the effective user ID of the current process

說(shuō)明

posix_geteuid(): 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.

參數

此函數沒(méi)有參數。

返回值

Returns the user id, as an int

范例

示例 #1 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
?>

參見(jiàn)

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