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.
If null, the process id of the current process is used.
One of PRIO_PGRP, PRIO_USER or PRIO_PROCESS.
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.
|8.0.0||process_id is nullable now.|