function get_server_load()
{
$serverload = array();
// DIRECTORY_SEPARATOR checks if running windows
if(DIRECTORY_SEPARATOR != '\\')
{
if(function_exists("sys_getloadavg"))
{
// sys_getloadavg() will return an array with [0] being load within the last minute.
$serverload = sys_getloadavg();
$serverload[0] = round($serverload[0], 4);
}
else if(@file_exists("/proc/loadavg") && $load = @file_get_contents("/proc/loadavg"))
{
$serverload = explode(" ", $load);
$serverload[0] = round($serverload[0], 4);
}
if(!is_numeric($serverload[0]))
{
if(@ini_get('safe_mode') == 'On')
{
return "Unknown";
}
// Suhosin likes to throw a warning if exec is disabled then die - weird
if($func_blacklist = @ini_get('suhosin.executor.func.blacklist'))
{
if(strpos(",".$func_blacklist.",", 'exec') !== false)
{
return "Unknown";
}
}
// PHP disabled functions?
if($func_blacklist = @ini_get('disable_functions'))
{
if(strpos(",".$func_blacklist.",", 'exec') !== false)
{
return "Unknown";
}
}
$load = @exec("uptime");
$load = explode("load average: ", $load);
$serverload = explode(",", $load[1]);
if(!is_array($serverload))
{
return "Unknown";
}
}
}
else
{
return "Unknown";
}
$returnload = trim($serverload[0]);
return $returnload;
}