Return the current process group identifier

# posix_getpgrp

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_getpgrp — Return the current process group identifier

### 说明

function posix_getpgrp(): int

Return the process group identifier of the current process.

### 参数

此函数没有参数。

### 返回值

Returns the identifier, as an int.

### 参见

- POSIX.1 and the getpgrp(2) manual page on the POSIX system for more information on process groups.

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