posix_getppid

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

posix_getppid — Return the parent process identifier

说明

posix_getppid(): int

Return the process identifier of the parent process of the current process.

参数

此函数没有参数。

返回值

Returns the identifier, as an int.

范例

示例 #1 Example use of posix_getppid()

<?php
echo posix_getppid(); //8259
?>