MachineManager/pages/home.php

<?php
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
?>

<div class="row justify-content-center">
    <div class="col-12 col-md-6">
        <form action="app.php" method="get">
            <input type="hidden" name="page" value="viewmachine" />
            <div class="input-group">
                <input type="text" class="form-control" name="id" id="quicklookup_box" placeholder="<?php $Strings->get("Machine ID"); ?>"/>
                <div class="input-group-append">
                    <?php
                    if (isset($_SESSION['mobile']) && $_SESSION['mobile']) {
                        ?>
                        <span class="btn btn-default" onclick="scancode('#quicklookup_box');">
                            <i class="fas fa-barcode fa-fw"></i>
                        </span>
                    <?php } ?>
                    <button type="submit" class="btn btn-primary">
                        <i class="fas fa-search fa-fw"></i>
                    </button>
                </div>
            </div>
        </form>
    </div>
</div>
<br />
<div class="row justify-content-center">
<!--    <div class="col-12 col-md-4">
        <div class="card bg-green text-light">
            <div class="card-body">
                <h4 class="card-title"><?php $Strings->get("Upcoming"); ?></h4>
                <h1><i class="fas fa-fw fa-calendar"></i> <?php echo $database->count('schedule', ["date[>]" => date("Y-m-d H:i:s")]); ?></h1>
            </div>
            <div class="card-footer">
                <a href="app.php?page=schedule" class="text-light"><i class="fas fa-arrow-right"></i> <?php $Strings->get("View Schedule"); ?></a>
            </div>
        </div>

    </div>-->
    <div class="col-12 col-md-4">
        <div class="card bg-blue text-light">
            <div class="card-body">
                <h4 class="card-title"><?php $Strings->get("Recently Updated"); ?></h4>
                <h1><i class="fas fa-fw fa-history"></i> <?php
                    $machines = $database->query("SELECT COUNT(machines.machineid) as count FROM machines
LEFT OUTER JOIN events ON events.machineid = machines.machineid
WHERE date=(SELECT MAX(s2.date)
                FROM events s2
                WHERE machines.machineid = s2.machineid
            )
AND events.date > NOW() - INTERVAL 1 week
LIMIT 100")->fetchAll();
                    echo $machines[0]["count"];
                    ?></h1>
            </div>
            <div class="card-footer">
                <a href="app.php?page=machines" class="text-light"><i class="fas fa-arrow-right"></i> <?php $Strings->get("View Machines"); ?></a>
            </div>
        </div>
    </div>
</div>