sys_getloadavg

(PHP 5 >= 5.1.3, PHP 7, PHP 8)

sys_getloadavg — Gets system load average

Description

sys_getloadavg(): array|false

Returns three samples representing the average system load (the number of processes in the system run queue) over the last 1, 5 and 15 minutes, respectively. Returns false on failure.

Parameters

This function has no parameters.

Return Values

Returns an array with three samples (last 1, 5 and 15 minutes).

Examples

Example #1 A sys_getloadavg() example


<?php
$load = sys_getloadavg();
if ($load[0] > 0.80) {
    header('HTTP/1.1 503 Too busy, try again later');
    die('Server too busy. Please try again later.');
}
?>

Notes

Note: This function is not implemented on Windows platforms.