posix_getppid
(PHP 4, PHP 5, PHP 7)
posix_getppid — Return the parent process identifier
Description
posix_getppid ( ) : int
Return the process identifier of the parent process of the current process.
Return Values
Returns the identifier, as an int.
Examples
Example #1 Example use of posix_getppid()
<?php echo posix_getppid(); //8259 ?>
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https://www.php.net/manual/en/function.posix-getppid.php