load.php

<?php



$load = shell_exec("top -u $(whoami)");

$load2 = sys_getloadavg();



if ($load2[0] > 13.14 )

{

    // load too high, 

    header('HTTP/1.1 503 Service Temporarily Unavailable');

    header('Status: 503 Service Temporarily Unavailable');

    header('Retry-After: 60');

    require('error/503.html');

}else{

	echo $load2[0];

	var_dump($load);

}

?>