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.
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