(PHP 5, PHP 7, PHP 8)
pcntl_getpriority — Get the priority of any process
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.
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
.
pcntl_getpriority() returns the priority of the process or false
on error. A lower numerical value causes more favorable scheduling.
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.
Version | Description |
---|---|
8.0.0 | process_id is nullable now. |