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sys_getloadavg
PHP Manual
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sys_getloadavg

(no version information, might be only in CVS)

sys_getloadavg --  get average system load

Description

array sys_getloadavg ( void )

This function 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.

Note: This function is not implemented on Windows platforms.

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] > 80) {
    header('HTTP/1.1 503 Too busy, try again later');
    die('Server too busy. Please try again later.');
}
?>

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