function school_count_since_date($time)
{
$S = new Schools();
//Best way to connect to database?
$conn = MongoSingleton::getMongoCon();
$db = $conn->sublite;
$emails = $db->emails;
$cursor = $emails->find();
$pattern = "/(.*)@(.*)/";
$schools = array();
$school_names = array();
foreach ($cursor as $doc) {
$success = preg_match($pattern, $doc["email"], $match);
if ($success && $doc["_id"]->getTimestamp() > $time) {
$schools[$match[2]] += 1;
}
}
foreach ($schools as $key => $id) {
if ($S->hasSchoolOf($key)) {
$school_names[$S->nameOf($key)] += $id;
} else {
$school_names[$key] += $id;
}
}
return $school_names;
}
function specific_school_per_day($my_school, $number_intervals)
{
$conn = MongoSingleton::getMongoCon();
$db = $conn->sublite;
$emails = $db->emails;
$cursor = $emails->find();
$pattern = "/(.*)@(.*)/";
$time_now = time() - 18000;
$intervals = array();
$result_array = array();
for ($x = $number_intervals; $x > 0; $x--) {
array_push($intervals, strtotime("today -" . ($x - 1) . " day") - 18000);
array_push($result_array, array(date('D', strtotime("today -" . ($x - 1) . " day") - 18000), 0));
}
array_push($intervals, $time_now);
//$intervals = array_map(function ($x) { return $x-46035245; } , $intervals);
foreach ($cursor as $doc) {
$success = preg_match($pattern, $doc["email"], $match);
if ($success && $match[2] == $my_school) {
$doc_time = $doc["_id"]->getTimeStamp();
for ($i = 0; $i < $number_intervals; $i++) {
if ($doc_time >= $intervals[$i] and $doc_time < $intervals[$i + 1]) {
$result_array[$i][1]++;
}
}
}
}
return $result_array;
}
static function getMongoCon()
{
if (self::$db === null) {
try {
$m = new Mongo('localhost');
} catch (MongoConnectionException $e) {
die('Failed to connect to MongoDB ' . $e->getMessage());
}
self::$db = $m;
}
return self::$db;
}
<?php
session_start();
include "functions.php";
include "MongoSingleton.php";
$error = "";
//to store error messages when registering
if (isset($_POST['submit'])) {
//user submitted a form
$message = $_POST['message'];
$conn = MongoSingleton::getMongoCon();
$db = $conn->sublitelite;
$users = $db->users;
$sender = $_SESSION['username'];
$receiver = "test";
if ($message != "") {
$newMessage = array('$push' => array("messages" => array("sent" => $message, "createdAt" => new MongoDate())));
$users->update(array("username" => $sender), $newMessage);
}
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Messages</title>
<link href = "style.css" rel="stylesheet" type="text/css">
</head>
<body>
<form action="" method="POST">
<p>Message:</p>
