Forked Raspberry Pi System Information PHP Script - Mobile Friendly Version and Misc Tweaks

raspisys.php

<?php
  	
	// Original Gist By: Jan van Haarst
	// Original Gist: https://gist.github.com/4388108

	// Forked Gist By: Jon Faviell
	// Forked Gist: https://gist.github.com/7e9138acb3975f8d886c

  	header("Cache-Control: no-cache, must-revalidate");
	header("Expires: Sat, 26 Jul 1997 05:00:00 GMT");
	header("Pragma: no-cache");

	function human_filesize($bytes, $decimals = 2) {
	
		$sz = 'BKMGTP';
		$factor = floor((strlen($bytes) - 1) / 3);
		return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
	
	}

	function get_rpi_model($hwrevision) {
		// Use table from: http://www.raspberrypi-spy.co.uk/2012/09/checking-your-raspberry-pi-board-version/
		$mappings = [
			'0002'   => 'Model B Revision 1.0',
			'0003'   => 'Model B Revision 1.0 + ECN0001 (no fuses, D14 removed)',
			'0004'   => 'Model B Revision 2.0 Mounting holes',
			'0005'   => 'Model B Revision 2.0 Mounting holes',
			'0006'   => 'Model B Revision 2.0 Mounting holes',
			'0007'   => 'Model A Mounting holes',
			'0008'   => 'Model A Mounting holes',
			'0009'   => 'Model A Mounting holes',
			'000d'   => 'Model B Revision 2.0 Mounting holes',
			'000e'   => 'Model B Revision 2.0 Mounting holes',
			'000f'   => 'Model B Revision 2.0 Mounting holes',
			'0010'   => 'Model B+',
			'0011'   => 'Compute Module',
			'0012'   => 'Model A+',
			'a01041' => 'Pi 2 Model B (Sony, UK)',
			'a21041' => 'Pi 2 Model B (Embest, China)',
			'900092' => 'PiZero',
			'a02082' => 'Pi 3 Model B (Sony, UK)',
			'a22082' => 'Pi 3 Model B (Embest, China)'
 		];
		
		if (! isset($mappings[$hwrevision] )){
			return 'Model unknown';
		} 

		return $mappings[$hwrevision];
	}
	
	$current_time = exec("date +'%d %b %Y %T %Z'");
	$frequency = exec("cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq") / 1000;
	$processor = str_replace("-compatible processor", "", explode(": ", exec("cat /proc/cpuinfo | grep Processor"))[1]);
	$cpu_temperature = round(exec("cat /sys/class/thermal/thermal_zone0/temp ") / 1000, 1);
	$rpi_model = get_rpi_model( explode(": ", exec("cat /proc/cpuinfo | grep ^Revision"))[1] ) ;
	
	//$RX = exec("ifconfig eth0 | grep 'RX bytes'| cut -d: -f2 | cut -d' ' -f1");
	//$TX = exec("ifconfig eth0 | grep 'TX bytes'| cut -d: -f3 | cut -d' ' -f1");
	
	list($system, $host, $kernel) = split(" ", exec("uname -a"), 4);
	$host = exec('hostname -f');;
	
	// uptime
	$uptime_array = explode(" ", exec("cat /proc/uptime"));
	$seconds = round($uptime_array[0], 0);
	$minutes = $seconds / 60;
	$hours = $minutes / 60;
	$days = floor($hours / 24);
	$hours = sprintf('%02d', floor($hours - ($days * 24)));
	$minutes = sprintf('%02d', floor($minutes - ($days * 24 * 60) - ($hours * 60)));
	
	if ($days == 0) {

		$uptime = $hours . ":" .  $minutes . " (hh:mm)";
	
	}
	else if($days == 1) {
		
		$uptime = $days . " day, " .  $hours . ":" .  $minutes . " (hh:mm)";
	
	}
	else {
	
		$uptime = $days . " days, " .  $hours . ":" .  $minutes . " (hh:mm)";
	
	}
	
	// load averages
	$loadavg = file("/proc/loadavg");
	
	if (is_array($loadavg)) {
	
		$loadaverages = strtok($loadavg[0], " ");
	
		for ($i = 0; $i < 2; $i++) {
	
			$retval = strtok(" ");
	
			if ($retval === FALSE) break; else $loadaverages .= " " . $retval;
	
		}
	
	}
	
	// memory
	$meminfo = file("/proc/meminfo");
	
	for ($i = 0; $i < count($meminfo); $i++) {

		list($item, $data) = split(":", $meminfo[$i], 2);
		$item = trim(chop($item));
		$data = intval(preg_replace("/[^0-9]/", "", trim(chop($data)))); //Remove non numeric characters
		
		switch($item) {
	
			case "MemTotal": $total_mem = $data; break;
			case "MemFree": $free_mem = $data; break;
			case "SwapTotal": $total_swap = $data; break;
			case "SwapFree": $free_swap = $data; break;
			case "Buffers": $buffer_mem = $data; break;
			case "Cached": $cache_mem = $data; break;
			default: break;
	
		}
	
	}
	
	$used_mem = $total_mem - $free_mem;
	$used_swap = $total_swap - $free_swap;
	$percent_free = round(($free_mem / $total_mem) * 100);
	$percent_used = round(($used_mem / $total_mem) * 100);
	$percent_swap = round((($total_swap - $free_swap ) / $total_swap) * 100);
	$percent_swap_free = round(($free_swap / $total_swap) * 100);
	$percent_buff = round(($buffer_mem / $total_mem) * 100);
	$percent_cach = round(($cache_mem / $total_mem) * 100);
	$used_mem = human_filesize($used_mem*1024,0);
	$used_swap = human_filesize($used_swap*1024,0);
	$total_mem = human_filesize($total_mem*1024,0);
	$free_mem = human_filesize($free_mem*1024,0);
	$total_swap = human_filesize($total_swap*1024,0);
	$free_swap = human_filesize($free_swap*1024,0);
	$buffer_mem = human_filesize($buffer_mem*1024,0);
	$cache_mem = human_filesize($cache_mem*1024,0);
	
	// disk space in kb
	exec("df -T -l -BKB -x tmpfs -x devtmpfs -x rootfs", $diskfree);
	
	$count = 1;

	while ($count < sizeof($diskfree)) {

		list($drive[$count], $typex[$count], $size[$count], $used[$count], $avail[$count], $percent[$count], $mount[$count]) = split(" +", $diskfree[$count]);
		$percent_part[$count] = str_replace( "%", "", $percent[$count]);
		$count++;

	}

?>

<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<meta rel="icon" type="image/png" href="favicon.ico">
		<meta name="viewport" content="width=device-width">
		<title>Raspberry Pi System Information</title>
		<style type="text/css">
			
			html, body {	
				background-color:#111;
				font-family:monospace;
				font-size:10px;
			}
			body {
				color:#fff;
				margin:25px auto 0px auto;
				text-align:center;
			}
			#Content {
				background-color:#bd1143;
				border:2px solid #111;
				/*border-radius:15px;*/
				margin:0px auto 0px auto;
				padding:15px;
				text-align:left;
				width:360px;
			}
			a {
				background-color:#222;
				border:1px solid #111;
				border-radius:10px;
				color:#76a928;
				display:block;
				height:50px;
				line-height:50px;
				margin:0px 0px 10px 0px;
				text-align:center;
				text-decoration:none;
				text-shadow:1px 1px #111;
				text-transform:uppercase;
				vertical-align:middle;
				
				box-sizing:border-box;
			}
			a:hover {
				background-color:#111;
				text-decoration:none;
			}
			a:last-of-type {
				margin:0px 0px 0px 0px;
			}
			table {
				background-color:#111;
				border:1px solid#111;
				border-radius:11px;
				border-spacing:0px;
				margin-bottom:10px;
				width:360px;

				box-sizing:border-box;
			}
			td {
				background:#333;
				border:1px solid #111;
				line-height:25px;
				height:25px;
				padding:0px 5px 0px 5px;
				vertical-align:middle;
				
				box-sizing:border-box;
			}
			td.center {
				text-align:center;
			}
			td.head {
				background-color:#222;
				color:#76a928;
				font-weight:bold;
				text-shadow:1px 1px #111;
			}
			td.right {
				padding-right:6px;
				text-align:right;
			}
			td.column1 {
				width:25%;
			}
			td.column2 {
				width:25%;
			}
			td.column3 {
				padding:0px 0px 0px 0px;
				width:35%;
			}
			td.column3 div {
				background-color:#76a928;
				height:25px;
			}
			td.column4 {
				width:15%;
			}

			@media screen and ( max-width:960px ) {

				html, body {
					background-color:#bd1143;
				}
				body {
					margin:0px;
				}
				#Content {
					border:none;
					padding:10px 10px 5px 10px;
					width:100%;
				}
				a:last-of-type {
					margin:0px 0px 5px 0px
				}
				table {
					width:100%;
				}

			}
		
		</style>
	</head>
	<body>
		<div id="Content">
			<table id="general">
				<tr>
					<td colspan="2" class="head center" style="border-top-left-radius:10px;border-top-right-radius:10px;">System Info</td>
				</tr>
				<tr>
					<td width="50%">Hostname</td>
					<td width="50%" id="host"><?php echo $host; ?></td>
				</tr>
				<tr>
					<td>System Time</td>
					<td id="time"><?php echo $current_time; ?></td>
				</tr>
				<tr>
					<td>Kernel</td>
					<td id="kernel"><?php echo $system . " " . $kernel; ?></td>
				</tr>
				<tr>
					<td>RPi Model</td>
					<td id="rpi_model"><?php echo $rpi_model; ?></td>
				</tr>
				<tr>
					<td>Processor</td>
					<td id="processor"><?php echo $processor; ?></td>
				</tr>
				<tr>
					<td>CPU Frequency</td>
					<td id="freq"><?php echo $frequency . " MHz"; ?></td>
				</tr>
				<tr>
					<td>Load Average</td>
					<td id="loadavg"><?php echo $loadaverages; ?></td>
				</tr>
				<tr >
					<td>CPU Temperature</td>
					<td id="cpu_temperature"><?php echo $cpu_temperature . "&#x2103"; ?></td>
				</tr>
				<tr>
					<td style="border-bottom-left-radius:10px;">Uptime</td>
					<td style="border-bottom-right-radius:10px;" id="uptime"><?php echo $uptime; ?></td>
				</tr>
			</table>
			<table>
				<tr>
					<td width="50%" colspan="2" style="border-top-left-radius:10px;" class="head right" id="total_mem"><?php echo $total_mem; ?></td>
					<td width="50%" colspan="2" style="border-top-right-radius:10px;" class="head">Memory</td>
				</tr>
				<tr>
					<td class="column1">Used</td>
					<td class="right column2" id="used_mem"><?php echo $used_mem; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_used; ?>%">&nbsp;</div></td>
					<td class="right column4" id="percent_used"><?php echo $percent_used; ?>%</td>
				</tr>
				<tr>
					<td>Free</td>
					<td class="right" id="free_mem"><?php echo $free_mem; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_free; ?>%"></div></td>
					<td class="right" id="percent_free"><?php echo $percent_free; ?>%</td>
				</tr>
				<tr>
					<td>Buffered</td>
					<td class="right" id="buffer_mem"><?php echo $buffer_mem; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_buff; ?>%"></div></td>
					<td class="right" id="percent_buff"><?php echo $percent_buff; ?>%</td>
				</tr>
				<tr>
					<td style="border-bottom-left-radius:10px;">Cached</td>
					<td class="right" id="cache_mem"><?php echo $cache_mem; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_cach; ?>%"></div></td>
					<td class="right" id="percent_cach" style="border-bottom-right-radius:10px;"><?php echo $percent_cach; ?>%</td>
				</tr>
			</table>
			<table>
				<tr>
					<td width="50%" colspan="2" style="border-top-left-radius:10px;" class="head right" id="total_swap"><?php echo $total_swap; ?></td>
					<td width="50%" colspan="2" style="border-top-right-radius:10px;" class="head">Swap</td>
				</tr>
				<tr>
					<td class="column1">Used</td>
					<td class="right column2" id="used_swap"><?php echo $used_swap; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_swap; ?>%"></div></td>
					<td class="right column4" id="percent_swap"><?php echo $percent_swap; ?>%</td>
				</tr>
				<tr>
					<td style="border-bottom-left-radius:10px;">Free</td>
					<td class="right" id="free_swap"><?php echo $free_swap; ?></td>
					<td class="column3"><div style="width:<?php echo $percent_swap_free; ?>%"></div></td>
					<td class="right" id="percent_swap_free" style="border-bottom-right-radius:10px;"><?php echo $percent_swap_free; ?>%</td>
				</tr>
			</table>
				
<?php

		for ($i = 1; $i < $count; $i++) {

			$total = human_filesize(intval(preg_replace("/[^0-9]/", "", trim($size[$i])))*1024,0);
			$usedspace = human_filesize(intval(preg_replace("/[^0-9]/", "", trim($used[$i])))*1024,0);
			$freespace = human_filesize(intval(preg_replace("/[^0-9]/", "", trim($avail[$i])))*1024,0);
			
			echo "\n\t\t\t<table>";

			echo "\n\t\t\t\t<tr>";
			echo "\n\t\t\t\t\t<td class=\"head right\" colspan=\"2\" width=\"50%\" style=\"border-top-left-radius:10px;\">" . $total . "</td>";
			echo "\n\t\t\t\t\t<td class=\"head\" colspan=\"2\" width=\"50%\" style=\"border-top-right-radius:10px;\">" . $mount[$i] . " (" . $typex[$i] . ")</td>";
			echo "\n\t\t\t\t</tr>";
	
			echo "\n\t\t\t\t<tr>";
			echo "\n\t\t\t\t\t<td class=\"column1\">Used</td>";
			echo "\n\t\t\t\t\t<td class=\"right column2\">" . $usedspace . "</td>";
			echo "\n\t\t\t\t\t<td class=\"column3\"><div style=\"width:" . $percent[$i] . "\"><div></td>";
			echo "\n\t\t\t\t\t<td class=\"right column4\">" . $percent[$i] . "</td>";
			echo "\n\t\t\t\t</tr>";

			echo "\n\t\t\t\t<tr>";	
			echo "\n\t\t\t\t\t<td class=\"column1\" style=\"border-bottom-left-radius:10px;\">Free</td>";
			echo "\n\t\t\t\t\t<td class=\"right column2\">" . $freespace . "</td>";
			echo "\n\t\t\t\t\t<td class=\"column3\"><div style=\"width:" . (100 - (floatval($percent_part[$i]))) . "%\"></td>";
			echo "\n\t\t\t\t\t<td class=\"right column4\" style=\"border-bottom-right-radius:10px;\">" . (100 - (floatval($percent_part[$i]))) . "%</td>";
			echo "\n\t\t\t\t</tr>";

			echo "\n\t\t\t</table>";

		}

?>
			<a href="javascript:location.reload(true);" title="Refresh">Refresh</a>
			<a href="https://gist.github.com/7e9138acb3975f8d886c" target="_blank">Source</a>
		</div>
	</body>
</html>

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