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pantauPrestasi.php
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pantauPrestasi.php
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<?php
session_start();
if ($_SESSION['NoIC'] == ""){
header('Location: ./login.php'); // why you break inside
}
?>
<?php
$NoIC = $_GET['NoIC'];
require "connectPHP.php";
// get perekodan rekod that is from the same user[IC] and in descending order because need latest on the top
$selectDataFromRekod = "SELECT * FROM PEREKODAN WHERE NoIC = '".$NoIC."' ORDER BY LENGTH(IdRekod) DESC, IdRekod DESC";
$result = mysqli_query($con,$selectDataFromRekod); // query
// get own markah and its details and it is in ascending order
$selectMarkahFromRekod = "SELECT * FROM PEREKODAN WHERE NoIC = '".$NoIC."' ORDER BY LENGTH(IdTopik), IdTopik ";
$resultMarkah = mysqli_query($con,$selectMarkahFromRekod); // query
$selectMuridInfo = "SELECT * FROM PENGGUNA WHERE NoIC = '".$NoIC."'";
$resultMurid = mysqli_query($con,$selectMuridInfo); // query
$rowMurid = mysqli_fetch_array($resultMurid);
$nama = $rowMurid['nama'];
$NoTel = $rowMurid['NoTel'];
?>
<!DOCTYPE html>
<head>
<title> Pantau Prestasi Murid </title>
<link rel="stylesheet" href="mystyle.css">
<meta name="viewport" content="width=device-width, initial-scale=1"> <!--to fit the content base on what device user use-->
</head>
<!--Banner-->
<div class="banner">
<div style="background-color: rgb(194, 247, 240);">
<p style="opacity:0;">.</p>
<h1 style="background-color: rgb(194, 247, 240);"> Ilmu Di Hujung Jari </h1>
<h2 style="background-color: rgb(194, 247, 240);"> Matematik Tingkatan 4 (DLP) </h2>
<!--log out button-->
<div class="logOut">
<a href="login.php" onclick="return confirm('Log Keluar?')"> Log Keluar </a>
</div> <br><br><br>
<div class="pantauPrestasiBalik">
<a href="checkGuru.php"> Balik </a>
</div>
<br>
<p style="opacity:0;">.</p>
</div>
</div>
<p style="opacity:0;">.</p>
<!-- OK button and go back to check Guru -->
<body class="checkMurid">
<div class="infoPantauMurid">
<br>
<h1 style="margin-left: 5%;"> Info Murid </h1>
<div class="infoPantauMuridContainer">
<br>
<h2> NoIC : <?php echo $NoIC; ?></h2>
<h2> Nama : <?php echo $nama; ?></h2>
<h2> NoTel : <?php echo $NoTel; ?></h2>
<br>
</div>
<br>
</div>
<!-- here display graph or statistic like standard deviation -->
<div class = "graphMurid">
<br>
<h1 style="margin-left: 4.5%;"> Prestasi Murid </h1>
<div class = "graphMuridContainer">
<br>
<br>
<h2 style="margin-left: 4.5%;"> Graph </h2>
<script>
window.onload = function () {
var chart = new CanvasJS.Chart("chartContainer", {
animationEnabled: true,
exportEnabled: true,
title:{
text: "Average Marks and Own Marks"
},
axisY:{
title: "Marks"
},
toolTip: {
shared: true
},
legend:{
cursor:"pointer",
itemclick: toggleDataSeries
},
data: [{
type: "line",
name: "Own Marks",
showInLegend: true,
dataPoints: [
<?php
// can work
$number_of_topik = 0;
$sum_of_all_markah = 0;
$sum_of_all_markah_power2 = 0;
while($rowMarkah = mysqli_fetch_array($resultMarkah)){
$IdTopik = $rowMarkah['IdTopik'];
$markahGraph = $rowMarkah['markah'];
// getting info for stdv
$number_of_topik += 1;
$sum_of_all_markah += $markahGraph;
$sum_of_all_markah_power2 += $markahGraph*$markahGraph;
echo "{ label: '$IdTopik' , y: $markahGraph},";
}
// calculating stdv
$standardDeviation = sqrt(
($sum_of_all_markah_power2/$number_of_topik) - (($sum_of_all_markah/$number_of_topik)*($sum_of_all_markah/$number_of_topik))
);
?>
]
},
{
type: "line",
name: "Average Marks",
showInLegend: true,
dataPoints: [
<?php
/////////////////////////////////////
// get every purata
/////////////////////////////////////
// get all IdTopik and its details for calculating purata in an ascending order
// need its IdRekod to calculate each IdRekod Purata
// return T3
// T4
$selectIdTopikFromRekodTemp = "SELECT IdTopik FROM PEREKODAN WHERE NoIC = '".$NoIC."' ORDER BY LENGTH(IdTopik), IdTopik ";
$resultIdTopikTemp = mysqli_query($con,$selectIdTopikFromRekodTemp); // query
while($rowTemp = mysqli_fetch_array($resultIdTopikTemp)){
$IdTopikTemp = $rowTemp['IdTopik'];
$selectMarkahFromRekodPurata = "SELECT AVG(markah) FROM PEREKODAN WHERE IdTopik='".$IdTopikTemp."'";
$averageValue = mysqli_query($con,$selectMarkahFromRekodPurata); // query
$purataRow = mysqli_fetch_array($averageValue);
$purata = $purataRow[0];
// echo $IdTopikTemp." ".$purata;
echo "{ label: '$IdTopikTemp' , y: $purata},";
}
?>
]
}]
});
chart.render();
function toggleDataSeries(e) {
if(typeof(e.dataSeries.visible) === "undefined" || e.dataSeries.visible) {
e.dataSeries.visible = false;
}
else {
e.dataSeries.visible = true;
}
chart.render();
}
}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://canvasjs.com/assets/script/canvasjs.min.js"></script>
<br>
<br>
<h2 style="margin-left: 4.5%;"> Standard Deviation : <?php echo $standardDeviation; ?></h2>
<br>
<br>
</div>
<br><br>
</div>
</body>
</html>