librenms-librenms/html/pages/device/edit/apps.inc.php

<?php

// Load our list of available applications
if ($handle = opendir($config['install_dir'].'/includes/polling/applications/')) {
    while (false !== ($file = readdir($handle))) {
        if ($file != '.' && $file != '..' && strstr($file, '.inc.php')) {
            $applications[] = str_replace('.inc.php', '', $file);
        }
    }

    closedir($handle);
}

// Check if the form was POSTed
if ($_POST['device']) {
    $updated = 0;
    $param[] = $device['device_id'];
    foreach (array_keys($_POST) as $key) {
        if (substr($key, 0, 4) == 'app_') {
            $param[]   = substr($key, 4);
            $enabled[] = substr($key, 4);
            $replace[] = '?';
        }
    }

    if (count($enabled)) {
        $updated += dbDelete('applications', '`device_id` = ? AND `app_type` NOT IN ('.implode(',', $replace).')', $param);
    }
    else {
        $updated += dbDelete('applications', '`device_id` = ?', array($param));
    }

    foreach (dbFetchRows('SELECT `app_type` FROM `applications` WHERE `device_id` = ?', array($device['device_id'])) as $row) {
        $app_in_db[] = $row['app_type'];
    }

    foreach ($enabled as $app) {
        if (!in_array($app, $app_in_db)) {
            $updated += dbInsert(array('device_id' => $device['device_id'], 'app_type' => $app), 'applications');
        }
    }

    if ($updated) {
        print_message('Applications updated!');
    }
    else {
        print_message('No changes.');
    }
}//end if

// Show list of apps with checkboxes
echo '<div style="padding: 10px;">';

$apps_enabled = dbFetchRows('SELECT * from `applications` WHERE `device_id` = ? ORDER BY app_type', array($device['device_id']));
if (count($apps_enabled)) {
    foreach ($apps_enabled as $application) {
        $app_enabled[] = $application['app_type'];
    }
}

echo "<div class='row'>
    <div class='col-md-4'>
    <form id='appedit' name='appedit' method='post' action='' role='form' class='form-horizontal'>
    <input type=hidden name=device value='".$device['device_id']."'>
    <table class='table table-hover table-responsive'>
    <tr align=center>
    <th>Enable</th>
    <th>Application</th>
    </tr>
    ";

$row = 1;

foreach ($applications as $app) {
    if (is_integer($row / 2)) {
        $row_colour = $list_colour_a;
    }
    else {
        $row_colour = $list_colour_b;
    }

    echo "    <tr bgcolor=$row_colour>";
    echo '      <td>';
    echo '        <input type=checkbox'.(in_array($app, $app_enabled) ? ' checked="1"' : '')." name='app_".$app."'>";
    echo '      </td>';
    echo '      <td>'.ucfirst($app).'</td>';
    echo '    </tr>
        ';

    $row++;
}

echo '</table>';
echo '<div class="row">
        <div class="col-md-1">
        <button type="submit" name="Submit"  class="btn btn-default"><i class="fa fa-check"></i> Save</button>
        </div>
    </div>
';
echo '</form>';
echo '</div>';
echo '</div>';