<?php
session_start();
include '../admin/includes/database.php';
include '../admin/includes/functions.php';
$conn= new Functions();

    if (!empty($_POST['classesID'])) {
        $classID = $_POST['classesID'];

        //fetch student's data based on the specific class
        $sql = "SELECT * FROM sections WHERE class = :classID ORDER BY name";
        $conn->query($sql);
        $conn->bind(":classID", $classID);
        //generate HTML of student option
        if ($conn->rowCount() > 0) {
            $result = $conn->fetchMultiple();

            ?>
            <option value=''>Select Section</option><?php
            foreach ($result as $section) {
                $section_name = $section->name;
                ?>
                <option value="<?php echo $section->id; ?>"><?php echo $section_name; ?></option><?php
            }
        } else {
            echo "<option value=''>Section not found.</option>";
        }
    } else {
        echo "<option value=''>error occurred.</option>";
    }
