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index.php
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index.php
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<html>
<head>
<title>Temperature Monitor</title>
<meta http-equiv="refresh" content="60" >
<meta name="keywords" content="esp32 temperature, temperature monitor php, esp32 php temperature, esp32 monitor temperature, micropython temperature monitor">
<meta name="description" content="ESP32 temperature monitoring site https://github.com/jbohack/ESP32-Temperature-Monitor">
<meta name="author" content="jbohack">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="shortcut icon" href="favicon.ico" type="image/x-icon"/>
</head>
</html>
<?php
include_once 'dbconnection.php';
function debug($data) {
$output = is_array($data) ? print_r($data, true) : $data;
echo "<script>console.log('Debug: " . $output . "' );</script>";
}
// Minimum temperature log
$minTemp = "SELECT temperature AS temperatureMin, time AS timeMin FROM temperatureDataF ORDER BY temperature ASC LIMIT 1";
$resultMin = $conn->query($minTemp);
if( $resultMin->num_rows > 0 )
{
$row = $resultMin->fetch_assoc();
$minimumTemperature = $row['temperatureMin'];
$minimumTemperatureTime = $row['timeMin'];
}
// Maximum temperature log
$maxTemp = "SELECT temperature AS temperatureMax, time AS timeMax FROM temperatureDataF ORDER BY temperature DESC LIMIT 1";
$resultMax = $conn->query($maxTemp);
if( $resultMax->num_rows > 0 )
{
$row = $resultMax->fetch_assoc();
$maximumTemperature = $row['temperatureMax'];
$maximumTemperatureTime = $row['timeMax'];
}
// Select current temperature, time, and id
$currentTemp = "SELECT * FROM temperatureDataF ORDER BY id DESC LIMIT 1";
$resultCurrentTemp = $conn->query($currentTemp);
if( $resultCurrentTemp->num_rows > 0 )
{
$row = $resultCurrentTemp->fetch_assoc();
$currentTemperature = $row['temperature'];
$currentTime = $row['time'];
}
// Select data size
$dataSize = "SELECT COUNT(temperature) AS dataSize FROM temperatureDataF";
$resultDataSize = $conn->query($dataSize);
if( $resultDataSize->num_rows > 0 )
{
$row = $resultDataSize->fetch_assoc();
$numDataSize = $row['dataSize'];
}
// Select hourly average temperature
$averageHourlyTemp = "SELECT AVG(temperature) AS hourlyAVG FROM temperatureDataF WHERE time >= DATE_SUB(NOW(), INTERVAL 1 HOUR)";
$resultAverageHourlyTemp = $conn->query($averageHourlyTemp);
if( $resultAverageHourlyTemp->num_rows > 0 )
{
$row = $resultAverageHourlyTemp->fetch_assoc();
$averageHourlyTemperature = $row['hourlyAVG'];
}
// Select daily average temperature
$averageDailyTemp = "SELECT AVG(temperature) AS dailyAVG FROM temperatureDataF WHERE time >= DATE_SUB(NOW(), INTERVAL 23 HOUR)";
$resultAverageDailyTemp = $conn->query($averageDailyTemp);
if( $resultAverageDailyTemp->num_rows > 0 )
{
$row = $resultAverageDailyTemp->fetch_assoc();
$averageDailyTemperature = $row['dailyAVG'];
}
// Select weekly average temperature
$averageWeeklyTemp = "SELECT AVG(temperature) AS weeklyAVG FROM temperatureDataF WHERE time >= DATE_SUB(CURRENT_DATE(), INTERVAL 6 DAY)";
$resultAverageWeeklyTemp = $conn->query($averageWeeklyTemp);
if( $resultAverageWeeklyTemp->num_rows > 0 )
{
$row = $resultAverageWeeklyTemp->fetch_assoc();
$averageWeeklyTemperature = $row['weeklyAVG'];
}
// Select monthly average temperature
$averageMonthlyTemp = "SELECT AVG(temperature) AS monthlyAVG FROM temperatureDataF WHERE time >= DATE_SUB(CURRENT_DATE(), INTERVAL 29 DAY)";
$resultAverageMonthlyTemp = $conn->query($averageMonthlyTemp);
if( $resultAverageMonthlyTemp->num_rows > 0 )
{
$row = $resultAverageMonthlyTemp->fetch_assoc();
$averageMonthlyTemperature = $row['monthlyAVG'];
}
// Select yearly average temperature
$averageYearlyTemp = "SELECT AVG(temperature) AS yearlyAVG FROM temperatureDataF WHERE time >= DATE_SUB(CURRENT_DATE(), INTERVAL 364 DAY)";
$resultAverageYearlyTemp = $conn->query($averageYearlyTemp);
if( $resultAverageYearlyTemp->num_rows > 0 )
{
$row = $resultAverageYearlyTemp->fetch_assoc();
$averageYearlyTemperature = $row['yearlyAVG'];
}
// Select total average temperature
$averageTotalTemp = "SELECT AVG(temperature) AS totalAVG FROM temperatureDataF";
$resultAverageTotalTemp = $conn->query($averageTotalTemp);
if( $resultAverageTotalTemp->num_rows > 0 )
{
$row = $resultAverageTotalTemp->fetch_assoc();
$averageTotalTemperature = $row['totalAVG'];
}
// display to the interface
echo "<font color=#ff9a00>";
echo "<b>Current temperature:</b> ".number_format((float)$currentTemperature, 2, '.', ''); echo " F";
echo "<br><b>~~~~~~~~~~~~~~~~~~~~~~~~~~~~</b>";
echo "<br><b>Highest temperature:</b> ".number_format((float)$maximumTemperature, 2, '.', ''); echo " F";
echo "<br><b>Lowest temperature:</b> ".number_format((float)$minimumTemperature, 2, '.', ''); echo " F";
echo "<br><b>~~~~~~~~~~~~~~~~~~~~~~~~~~~~</b>";
echo "<br><b>Time of highest temperature:</b> ".$maximumTemperatureTime. " UTC";
echo "<br><b>Time of lowest temperature:</b> ".$minimumTemperatureTime. " UTC";
echo "<br><b>~~~~~~~~~~~~~~~~~~~~~~~~~~~~</b>";
echo "<br><b>Hourly average:</b> ".number_format((float)$averageHourlyTemperature, 2, '.', ''); echo " F";
echo "<br><b>Daily average:</b> ".number_format((float)$averageDailyTemperature, 2, '.', ''); echo " F";
echo "<br><b>Weekly average:</b> ".number_format((float)$averageWeeklyTemperature, 2, '.', ''); echo " F";
echo "<br><b>Monthly average:</b> ".number_format((float)$averageMonthlyTemperature, 2, '.', ''); echo " F";
echo "<br><b>Yearly average:</b> ".number_format((float)$averageYearlyTemperature, 2, '.', ''); echo " F";
echo "<br><b>All time average:</b> ".number_format((float)$averageTotalTemperature, 2, '.', ''); echo " F";
echo "<br><b>~~~~~~~~~~~~~~~~~~~~~~~~~~~~</b>";
echo "<br><b>Latest log time:</b> ".$currentTime. " UTC";
echo "<br><b>Data size:</b> ".$numDataSize. " IDs";
echo "<br><b>~~~~~~~~~~~~~~~~~~~~~~~~~~~~</b>";
echo "<br><br><br>";
// temperature line chart creation using quickchart
$graphData = true;
if ($graphData === true){
require_once('QuickChart.php');
debug("Graphing data");
// 24h graph
$temperatureArray24H= array();
$timeArray24H = array();
$temperatureDailyQuery = "SELECT DATE(time) AS date, HOUR(time) AS hour, AVG(temperature) AS temperature FROM temperatureDataF WHERE time >= DATE_SUB(NOW(), INTERVAL 23 HOUR) GROUP BY DATE(time), HOUR(time) ORDER BY DATE(time), HOUR(time)";
$resultTemperatureDailyQuery = $conn->query($temperatureDailyQuery);
if( $resultTemperatureDailyQuery->num_rows > 0 )
{
foreach ($resultTemperatureDailyQuery as $row) {
array_push($temperatureArray24H, $row["temperature"]);
array_push($timeArray24H, $row["hour"]);
}
}
$temperatureDayJsonData = json_encode($temperatureArray24H);
$timeDayJsonData = json_encode($timeArray24H);
$chartDaily = new QuickChart(array(
'width' => 500,
'height' => 300,
'backgroundColor' => 'transparent',
'devicePixelRatio' => 2,
));
$chartDaily->setConfig("{
type: 'line',
options:
{
elements:
{
point:
{
radius: 0,
},
},
},
data: {
labels: $timeDayJsonData,
datasets: [{
label: '24 Hour Temperature Graph | Fahrenheit |',
fill: false,
borderColor: '#55CDFC',
data: $temperatureDayJsonData
}]
}
}");
$chartURLDaily = $chartDaily->getUrl();
// 7 day graph
$temperatureArray7D= array();
$timeArray7D = array();
$temperatureWeeklyQuery = "SELECT DATE(time) AS date, DAY(time) AS day, AVG(temperature) AS temperature FROM temperatureDataF WHERE time >= DATE_SUB(CURRENT_DATE(), INTERVAL 6 DAY) GROUP BY DATE(time), DAY(time) ORDER BY DATE(time), DAY(time)";
$resultTemperatureWeeklyQuery = $conn->query($temperatureWeeklyQuery);
if( $resultTemperatureWeeklyQuery->num_rows > 0 )
{
foreach ($resultTemperatureWeeklyQuery as $row) {
array_push($temperatureArray7D, $row["temperature"]);
array_push($timeArray7D, $row["day"]);
}
}
$temperatureWeekJsonData = json_encode($temperatureArray7D);
$timeWeekJsonData = json_encode($timeArray7D);
$chartWeekly = new QuickChart(array(
'width' => 500,
'height' => 300,
'backgroundColor' => 'transparent',
'devicePixelRatio' => 2,
));
$chartWeekly->setConfig("{
type: 'line',
options:
{
elements:
{
point:
{
radius: 0,
},
},
},
data: {
labels: $timeWeekJsonData,
datasets: [{
label: '7 Day Temperature Graph | Fahrenheit |',
fill: false,
borderColor: '#F7A8B8',
data: $temperatureWeekJsonData
}]
}
}");
$chartURLWeekly = $chartWeekly->getUrl();
// 30 day graph
$temperatureArrayMonth= array();
$timeArrayMonth = array();
$temperatureMonthQuery = "SELECT DATE(time) AS date, DAY(time) AS day, AVG(temperature) AS temperature FROM temperatureDataF WHERE time >= DATE_SUB(CURRENT_DATE(), INTERVAL 29 DAY) GROUP BY DATE(time), DAY(time) ORDER BY DATE(time), DAY(time)";
$resultTemperatureMonthQuery = $conn->query($temperatureMonthQuery);
if( $resultTemperatureMonthQuery->num_rows > 0 )
{
foreach ($resultTemperatureMonthQuery as $row) {
array_push($temperatureArrayMonth, $row["temperature"]);
array_push($timeArrayMonth, $row["day"]);
}
}
$temperatureMonthJsonData = json_encode($temperatureArrayMonth);
$timeMonthJsonData = json_encode($timeArrayMonth);
$chartMonth = new QuickChart(array(
'width' => 500,
'height' => 300,
'backgroundColor' => 'transparent',
'devicePixelRatio' => 2,
));
$chartMonth->setConfig("{
type: 'line',
options:
{
elements:
{
point:
{
radius: 0,
},
},
},
data: {
labels: $timeMonthJsonData,
datasets: [{
label: '30 Day Temperature Graph | Fahrenheit |',
fill: false,
borderColor: '#FFFFFF',
data: $temperatureMonthJsonData
}]
}
}");
$chartURLMonth = $chartMonth->getUrl();
debug("Graphing finished");
}
else{
debug("Data graphing is disabled");
}
// close the db connection
$conn->close();
debug("DB Connection Closed.");
?>
<body>
<style>
body {background-color: #282626}
</style>
<img src="<?php echo $chartURLDaily;?>">
<br>
<img src="<?php echo $chartURLWeekly;?>">
<br>
<img src="<?php echo $chartURLMonth;?>">
</body>