PHP uptime scripts for Windows and Linux

I found this on the web and it’s pretty clever – since, unlike Unix, Windows doesn’t have a standard “uptime” function to display the time a server’s been running. There are a couple of issues, though. The original code was missing a line (line #15) which threw a non-fatal error. In other words – following a tip from another web page – I added the line

$uptimeString="";

1	$uptimeString="";

And here’s something very odd: when placed in a web page – apart from WordPress – this thing works perfectly. If used as an include, or, in conjunction with a PHP code plugin in WordPress it adds 5 hours to the total uptime. Of course, I have no idea why this is the case……

&lt;?php 
// format the uptime in case the browser doesn't support dhtml/javascript
// static uptime string
function format_uptime($seconds) {
  $secs = intval($seconds % 60);
  $mins = intval($seconds / 60 % 60);
  $hours = intval($seconds / 3600 % 24);
  $days = intval($seconds / 86400);
  $uptimeString="";
  if ($days > 0) {
    $uptimeString .= $days;
    $uptimeString .= (($days == 1) ? " day" : " days");
  }
  if ($hours > 0) {
    $uptimeString .= (($days > 0) ? ", " : "") . $hours;
    $uptimeString .= (($hours == 1) ? " hour" : " hours");
  }
  if ($mins > 0) {
    $uptimeString .= (($days > 0 || $hours > 0) ? ", " : "") . $mins;
    $uptimeString .= (($mins == 1) ? " minute" : " minutes");
  }
  if ($secs > 0) {
    $uptimeString .= (($days > 0 || $hours > 0 || $mins > 0) ? ", " : "") . $secs;
    $uptimeString .= (($secs == 1) ? " second" : " seconds");
  }
  return $uptimeString;
}

// get the server statistics with "net statistics server" by shell_exec
$winstats = shell_exec("net statistics server");

// grab the date & time the server started up
preg_match("(\d{1,2}/\d{1,2}/\d{4}\s+\d{1,2}\:\d{2}\s+\w{2})", $winstats, $matches);

// convert the readable date & time to a timestamp and deduct it from the current timestamp
// thus giving us the total uptime in seconds
$uptimeSecs = time() - strtotime($matches[0]);

// get the static uptime
$staticUptime = "Server Uptime: ".format_uptime($uptimeSecs);
?>
&lt;html>
&lt;head>
&lt;script language="javascript">
&lt;!--
var upSeconds=&lt;?php echo $uptimeSecs; ?>;
function doUptime() {
var uptimeString = "Server Uptime: ";
var secs = parseInt(upSeconds % 60);
var mins = parseInt(upSeconds / 60 % 60);
var hours = parseInt(upSeconds / 3600 % 24);
var days = parseInt(upSeconds / 86400);
if (days > 0) {
  uptimeString += days;
  uptimeString += ((days == 1) ? " day" : " days");
}
if (hours > 0) {
  uptimeString += ((days > 0) ? ", " : "") + hours;
  uptimeString += ((hours == 1) ? " hour" : " hours");
}
if (mins > 0) {
  uptimeString += ((days > 0 || hours > 0) ? ", " : "") + mins;
  uptimeString += ((mins == 1) ? " minute" : " minutes");
}
if (secs > 0) {
  uptimeString += ((days > 0 || hours > 0 || mins > 0) ? ", " : "") + secs;
  uptimeString += ((secs == 1) ? " second" : " seconds");
}
var span_el = document.getElementById("uptime");
var replaceWith = document.createTextNode(uptimeString);
span_el.replaceChild(replaceWith, span_el.childNodes[0]);
upSeconds++;
setTimeout("doUptime()",1000);
}
// -->
&lt;/script>
&lt;/head>
&lt;body onLoad="doUptime();">

&lt;!-- Uses the DIV tag, but SPAN can be used as well -->
&lt;div id="uptime" style="font-weight:bold;">&lt;?php echo $staticUptime; ?>&lt;/div>

&lt;/body>
&lt;/html>

<?php

// format the uptime in case the browser doesn't support dhtml/javascript

// static uptime string

function format_uptime($seconds) {

$secs = intval($seconds % 60);

$mins = intval($seconds / 60 % 60);

$hours = intval($seconds / 3600 % 24);

$days = intval($seconds / 86400);

$uptimeString="";

if ($days > 0) {

$uptimeString .= $days;

$uptimeString .= (($days == 1) ? " day" : " days");

}

if ($hours > 0) {

$uptimeString .= (($days > 0) ? ", " : "") . $hours;

$uptimeString .= (($hours == 1) ? " hour" : " hours");

}

if ($mins > 0) {

$uptimeString .= (($days > 0 || $hours > 0) ? ", " : "") . $mins;

$uptimeString .= (($mins == 1) ? " minute" : " minutes");

}

if ($secs > 0) {

$uptimeString .= (($days > 0 || $hours > 0 || $mins > 0) ? ", " : "") . $secs;

$uptimeString .= (($secs == 1) ? " second" : " seconds");

}

return $uptimeString;

}

// get the server statistics with "net statistics server" by shell_exec

$winstats = shell_exec("net statistics server");

// grab the date & time the server started up

preg_match("(\d{1,2}/\d{1,2}/\d{4}\s+\d{1,2}\:\d{2}\s+\w{2})", $winstats, $matches);

// convert the readable date & time to a timestamp and deduct it from the current timestamp

// thus giving us the total uptime in seconds

$uptimeSecs = time() - strtotime($matches[0]);

// get the static uptime

$staticUptime = "Server Uptime: ".format_uptime($uptimeSecs);

<html>

<head>

<!--

var upSeconds=<?php echo $uptimeSecs; ?>;

function doUptime() {

var uptimeString = "Server Uptime: ";

var secs = parseInt(upSeconds % 60);

var mins = parseInt(upSeconds / 60 % 60);

var hours = parseInt(upSeconds / 3600 % 24);

var days = parseInt(upSeconds / 86400);

if (days > 0) {

uptimeString += days;

uptimeString += ((days == 1) ? " day" : " days");

}

if (hours > 0) {

uptimeString += ((days > 0) ? ", " : "") + hours;

uptimeString += ((hours == 1) ? " hour" : " hours");

}

if (mins > 0) {

uptimeString += ((days > 0 || hours > 0) ? ", " : "") + mins;

uptimeString += ((mins == 1) ? " minute" : " minutes");

}

if (secs > 0) {

uptimeString += ((days > 0 || hours > 0 || mins > 0) ? ", " : "") + secs;

uptimeString += ((secs == 1) ? " second" : " seconds");

}

var span_el = document.getElementById("uptime");

var replaceWith = document.createTextNode(uptimeString);

span_el.replaceChild(replaceWith, span_el.childNodes[0]);

upSeconds++;

setTimeout("doUptime()",1000);

}

// -->

</script>

</head>

</body>

</html>

For Linux

&lt;?php

###########################################################################
#                                                                         #
# Copyright © http://www.4webhelp.net/                                    #
# Neither http://www.4webhelp.net/ nor its members accept any             #
# responsibility, either expressed or implied, for any damage caused by   #
# using this script or the misuse of this script.                         #
#                                                                         #
#                                                                         #
#                          INSTRUCTIONS                                   #
#                                                                         #
# 1) Copy this code to an editor such as Notepad and save it with a       #
# .php  extension.                                                        #
# 2) FTP this file to a folder on your site in ASCII mode                 #
# 3) Call up this file in your web browser to see your server's uptime    #
#                                                                         #
###########################################################################

  $data = shell_exec('uptime');
  $uptime = explode(' up ', $data);
  $uptime = explode(',', $uptime[1]);
  $uptime = $uptime[0].', '.$uptime[1];

  echo ('Server Stats:<br />Uptime: '.$uptime.'

');

?&gt;

<?php

###########################################################################

# #

# Neither http://www.4webhelp.net/ nor its members accept any #

# responsibility, either expressed or implied, for any damage caused by #

# using this script or the misuse of this script. #

# #

# INSTRUCTIONS #

# #

# 1) Copy this code to an editor such as Notepad and save it with a #

# .php extension. #

# 2) FTP this file to a folder on your site in ASCII mode #

# 3) Call up this file in your web browser to see your server's uptime #

# #

###########################################################################

$data = shell_exec('uptime');

$uptime = explode(' up ', $data);

$uptime = explode(',', $uptime[1]);

$uptime = $uptime[0].', '.$uptime[1];

echo ('Server Stats:<br />Uptime: '.$uptime.'

');

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For Linux

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