posix_getppid

(PHP 4, PHP 5, PHP 7)

posix_getppid — Return the parent process identifier

说明

posix_getppid ( void ) : int

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
?>