POSIX Funciones
PHP Manual

posix_getpid

(PHP 4, PHP 5)

posix_getpidReturn the current process identifier

Descripción

int posix_getpid ( void )

Return the process identifier of the current process.

Valores devueltos

Returns the identifier, as an integer.

Ejemplos

Example #1 Example use of posix_getpid()

<?php
echo posix_getpid(); //8805
?>

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POSIX Funciones
PHP Manual