(PHP 5 >= 5.1.3, PHP 7, PHP 8)
sys_getloadavg — Gets system load average
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.
This function has no parameters.
Returns an array with three samples (last 1, 5 and 15 minutes).
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.');}?>
Note: This function is not implemented on Windows platforms.