PHP input::existsVal示例

<?php

require_once '../Core/init.php';
$user = new user(null, $_log);
$_db = db::getInstance();
if (input::existsVal('userID')) {
    $userid = input::get('userID');
} else {
    $userid = $user->data()->Id;
}
if (input::existsVal('active')) {
    $active = input::get('active');
}
if (!$user->isLoggedIn()) {
    redirect::to('../index.php');
}
$events = array();
$singleEvent = array();
$hospitalname = '';
$doctorname = '';
$equipemtrequired = '';
$organiser = '';
$date = '';
$driver = '';
$dbh = null;
if ($active == 1) {
    if ($dbh = $_db->get('Event_Req', array('Organiser', '=', $userid, 'Operation_Date', '>=', $_GET["start"], 'Operation_Date', '<=', $_GET["end"], 'Status', '=', 'delivered'))) {
        if ($dbh->counts() > 0) {
            $i = 0;
            foreach ($dbh->results() as $key) {
                $delivered = 0;