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PHP - Manual: posix_getsid - 互联网笔记

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PHP官方手册 - 互联网笔记

PHP - Manual: posix_getsid

2025-05-08

posix_getsid

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

posix_getsidGet the current sid of the process

说明

posix_getsid(int $process_id): int|false

Return the session id of the process process_id. The session id of a process is the process group id of the session leader.

参数

process_id

The process identifier. If set to 0, the current process is assumed. If an invalid process_id is specified, then false is returned and an error is set which can be checked with posix_get_last_error().

返回值

Returns the identifier, as an int, 或者在失败时返回 false.

示例

示例 #1 Example use of posix_getsid()

<?php
$pid
= posix_getpid();
echo
posix_getsid($pid); //8805
?>

参见

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官方地址:https://www.php.net/manual/en/function.posix-getsid.php

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