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HOME > PHP Manual > pcntl_getpriority - Get the priority of any process

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pcntl_getpriority

(PHP 5)

pcntl_getpriority — Get the priority of any process

Description

int pcntl_getpriority ([ int $pid [, int $process_identifier ]] )

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

Parameters

pid: If not specified, the pid of the current process is used.
process_identifier: One of PRIO_PGRP, PRIO_USER or PRIO_PROCESS.

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, such as 0 or "". Please read the section on Booleans for more information. Use the === operator for testing the return value of this function.

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