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Q2.php
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<!DOCTYPE html>
<html>
<head>
<title>Q2</title>
<link rel="stylesheet" type="text/css" href="styles_Q.css">
</head>
<body>
<h1>Q2: Find the student who makes the most posts in the INSY-660 thread.</h1>
<div class="notification">
<?php
$db_host = '127.0.0.1';
$db_user = 'root';
$db_password = 'root';
$db_db = 'INSY661Database';
$db_port = 8889;
$mysqli = new mysqli(
$db_host,
$db_user,
$db_password,
$db_db,
$db_port
);
if ($mysqli->connect_error) {
echo 'Errno: '.$mysqli->connect_errno;
echo '<br>';
echo 'Error: '.$mysqli->connect_error;
exit();
}
$sql = "SELECT S.stud_fname, S.stud_lname, COUNT(*) AS num_post
FROM Threads T, Posts P, Students S
WHERE T.thread_id=P.thread_id AND S.stud_id=P.stud_id AND T.thread_title='INSY-660'
GROUP BY P.stud_id
ORDER BY num_post DESC
LIMIT 1";
$res = $mysqli->query($sql);
echo '<h2>Student with Most Posts in INSY-660 Thread</h2>';
display_student_posts($res);
function display_student_posts($res) {
echo '<table>';
echo '<tr>';
echo '<th>First Name</th>';
echo '<th>Last Name</th>';
echo '<th>Number of Posts</th>';
echo '</tr>';
while ($newArray = $res->fetch_assoc()) {
echo '<tr>';
echo '<td>' . $newArray['stud_fname'] . '</td>';
echo '<td>' . $newArray['stud_lname'] . '</td>';
echo '<td>' . $newArray['num_post'] . '</td>';
echo '</tr>';
}
echo '</table>';
}
$mysqli->close();
?>
</div>
</body>
</html>