PHP 5.5.20 is available

posix_getppid

(PHP 4, PHP 5)

posix_getppidReturn the parent process identifier

Description

int posix_getppid ( void )

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

Return Values

Returns the identifier, as an integer.

Examples

Example #1 Example use of posix_getppid()

<?php
echo posix_getppid(); //8259
?>

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