(PHP 4, PHP 5, PHP 7, PHP 8)
posix_getppid — Return the parent process identifier
Return the process identifier of the parent process of the current process.
此函數沒(méi)有參數。
Returns the identifier, as an int.
示例 #1 Example use of posix_getppid()
<?php
echo posix_getppid(); //8259
?>