POSIX 函数
PHP Manual

posix_getpid

(PHP 4, PHP 5)

posix_getpidReturn the current process identifier

说明

int posix_getpid ( void )

Return the process identifier of the current process.

返回值

Returns the identifier, as an integer.

范例

Example #1 Example use of posix_getpid()

<?php
echo posix_getpid(); //8805
?>

参见


POSIX 函数
PHP Manual