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<pcntl_getcpuaffinitypcntl_getqos_class>
^PCNTL FunctionsLast updated: Mon, 26 Oct 2026

pcntl_getpriority

(PHP 5, PHP 7, PHP 8)

pcntl_getpriority — Get the priority of any process

Description

function pcntl_getpriority(?int $process_id = null, int $mode = PRIO_PROCESS): int|false

pcntl_getpriority() gets the priority of process_id. Because priority levels can differ between system types and kernel versions, please see your system's getpriority(2) man page for specific details.

Parameters

process_id

If null, the process id of the current process is used.

mode

One of PRIO_PGRP, PRIO_USER, PRIO_PROCESS, PRIO_DARWIN_BG or PRIO_DARWIN_THREAD.

Return Values

pcntl_getpriority() returns the priority of the process or false on error. A lower numerical value causes more favorable scheduling.

Warning

This function may return Boolean false, but may also return a non-Boolean value which evaluates to false. Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.

Changelog

Version Description
8.0.0 process_id is nullable now.

See Also


<pcntl_getcpuaffinitypcntl_getqos_class>
^PCNTL FunctionsLast updated: Mon, 26 Oct 2026