<?php

$token = $_POST['token'];

require_once 'functions.php';

checkEmptyToken($token);

// Instantiate a connection

require_once 'connect.php';

global $conn;

checkExpiredToken($conn, $token);

$UID = getUserByToken($conn, $token);

$SID = getSchoolID($conn, $UID);

// retrieve the list of all classes that the user is taking

$classes = getUserClassesID($conn, $SID, $UID);

// Get users that have classes in common with the user

$common = getCommonClasses($conn, $classes, $UID);

// Get user info

$arr = getUserDetails($conn, $common, $UID);

$conn->close();

$response = ["students" => $arr];

echo json_encode($response);

die();

?>