Temperature monitoring

temp.php

<?php

//add your server aliases here
$servers = array(
	"10.0.0.201" => "Larry",
	"10.0.0.56" => "Le Mac Pro",
);



if(isset( $_POST['temp'], $_POST['df'] )){

	preg_match('/\d+\.\d{2}/', $_POST['temp'],$temp);

	preg_match('/\d+%/', $_POST['df'],$df);
	
	
	
	$stats = array(
		"temp" => $temp[0],
		"ip" => $_SERVER["REMOTE_ADDR"]
	);
	
	save_to_stats($stats);
}else{
	output_stats_table();
echo "empty";
echo "<table>";



    foreach ($_POST as $key => $value) {
        echo "<tr>";
        echo "<td>";
        echo $key;
        echo "</td>";
        echo "<td>";
        echo $value;
        echo "</td>";
        echo "</tr>";
    }



echo "</table>";
}

function save_to_stats($stats){
	$data = json_decode( file_get_contents("temps.json"), true );
	$data[  $stats['ip'] ] = $stats;
	file_put_contents("stats.json", json_encode($data), LOCK_EX);
}
 
function output_stats_table(){
	global $servers;
	//display data
	$data = json_decode( file_get_contents("temps.json"), true );
 
	?>
	<table id="projects">
		<?php foreach($data as $server => $stats): ?> 
			<tr>
				
				<td class="server-status" style="width:48px;" ><?php if (time() - (int) $stats['time'] > $timeinsecondstoalert )
				{ 
					
				}
				else
					{
						
					}  ?></td>
				<td class="server-name" style="width:200px; text-transform:lowercase;"><?php echo $servers[$stats['ip']] ; ?></td>
				
				<td class="server-load" style="width:72px;"><?php echo $servers[$stats['temp']] ; ?></td>
				
			</tr>
		<?php endforeach; ?> 
	</table>
 <?php
};
 
function number_of_bars($df){
	$value = (int) str_replace('%', '', $df) / 10;
	return round( ($value > 8 ? 8 : $value) * .8 );
}