POSIX 函数
PHP 手册

posix_getppid

(PHP 4, PHP 5)

posix_getppidReturn the parent process identifier

说明

int posix_getppid ( void )

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

返回值

Returns the identifier, as an integer.

范例

Example #1 Example use of posix_getppid()

<?php
echo posix_getppid(); //8259
?>


POSIX 函数
PHP 手册