nginx status php

uptime.php

<?php
$serverUptime = getServerUptime();	
$nginxUptime = getNGINXUptime();					
$nginxStatus = getNGINXStatus($nginxUptime['totalSeconds']);
echo json_encode(
	array(
		"server_uptime"=>$serverUptime,
		"nginx_uptime"=>$nginxUptime,
		"nginx_status"=>$nginxStatus
		)
	);
function getServerUptime()
{
	exec("cat /proc/uptime",$systemResult,$retval);
	$array = explode(" ",$systemResult[0]);
	$uptime = $array[0];
	$idle = $array[1];
	$seconds = $uptime;
	$days = floor($seconds/86400);
	$hours = floor(($seconds-($days*86400)) / 3600);
	$minutes = floor(($seconds - ($hours*3600) - ($days*86400)) / 60);
	$seconds = $seconds - ($minutes*60) - ($hours*3600) - ($days*86400);

	return array("days"=>$days,
						"hours"=>$hours,
						"minutes"=>$minutes,
						"seconds"=>$seconds,
						"totalSeconds"=>$uptime,
						"idle"=>$idle);
}
function getNGINXUptime()
{
	exec("ps -ef | grep nginx",$output,$retval);
	$pd=0;
	
	foreach($output as $row)
	{
		$exploded = explode(" ",$row);

		if($exploded[0] == "root")
		{
			$count = count($exploded);
			for($i=1;$i<$count;$i++)
			{
				if(strlen($exploded[$i])>1)
				{
					$pd = $exploded[$i];
					break;
				}
			}
			if($pd!=0)
				break;
		}	
	}

	$cmd = "expr $(awk '{print $1}' FS=\. /proc/uptime) - $(awk '{printf (\"%10d\",$22/100)}' /proc/$pd/stat)";
	exec($cmd,$out,$retval);
	$tatalSeconds = $out[0];
	$days = floor($tatalSeconds/86400);
	$hours = floor(($tatalSeconds-($days*86400)) / 3600);
	$minutes = floor(($tatalSeconds - ($hours*3600) - ($days*86400)) / 60);
	$seconds = $tatalSeconds - ($minutes*60) - ($hours*3600) - ($days*86400);					
	$nginxUptime = array("days"=>$days,
									"hours"=>$hours,
									"minutes"=>$minutes,
									"seconds"=>$seconds,
									"totalSeconds"=>$tatalSeconds);
	return $nginxUptime;	
}
function getNGINXStatus($nginxUptime)
{
	$nginx_status = file_get_contents("https://thecustomizewindows.com/status");
	$tokens = array_map('trim',explode(" ",$nginx_status));
	foreach($tokens as $token)
	{
		if(is_numeric($token))
			$stats[] = $token;
	}	
	return array(
				"activeConnections"=>$stats[0],
				"accepts"=>$stats[1], 
				"handled"=>$stats[2],
				"requests"=>$stats[3],
				"reading"=>$stats[4],
				"writing"=>$stats[5],
				"waiting"=>$stats[6],
				"averageRequestsPerConnection"=>$stats[3] / $stats[2], 
				"averageRequestsPerSecond"=> $stats[3] / $nginxUptime
			);
}
?>