public static function delete()
 {
     $rules = ['delete_confirmation' => FILTER_REQUIRE_SCALAR, 'id' => ['filter' => FILTER_VALIDATE_INT, 'options' => ['min_range' => 1]]];
     $data = filter_input_array(INPUT_POST, $rules);
     if (self::checkValues($data)) {
         UporabnikDB::delete($data);
         $url = BASE_URL . "uporabnik";
     } else {
         if (isset($data["id"])) {
             $url = BASE_URL . "uporabnik/edit?id=" . $data["id"];
         } else {
             $url = BASE_URL . "uporabnik";
         }
     }
     ViewHelper::redirect($url);
 }
<?php

/**
 * Created by PhpStorm.
 * User: Urban
 * Date: 08-Feb-16
 * Time: 11:01 AM
 */
$uporabniki = UporabnikDB::getAll();
?>

<script type="text/javascript" src="<?php 
echo JS_URL . "scriptNovicaAdd.js";
?>
"></script>

<h1>Dodaj novico</h1>
<form action="<?php 
echo BASE_URL . "edit/novica/add";
?>
" method="post">
    <table class="table table-hover">
        <tr>
            <td> <p><label>Naslov novice: *</label></p> </td>
            <td> <input type="text" name="naslov" value="<?php 
echo $naslov;
?>
" autofocus required /> </td>
        </tr>
        <tr>
            <td> <p><label>Opis: </label></p> </td>
<?php

/**
 * Created by PhpStorm.
 * User: Urban
 * Date: 09-Feb-16
 * Time: 9:33 AM
 */
$uporabnik = UporabnikDB::getById($novica["avtor_id"]);
?>
<script type="text/javascript" src="<?php 
echo JS_URL . "scriptNovicaDetail.js";
?>
"></script>

<h1>Novica: <?php 
echo $novica["naslov"];
?>
 </h1>

<table class="table table-hover">
    <tr>
        <td> <p><label>Naslov: </label></p> </td>
        <td> <?php 
echo $novica["naslov"];
?>
 </td>
    </tr>
    <tr>
        <td> <p><label>Opis: </label></p> </td>
        <td> <?php 
<?php

/**
 * Created by PhpStorm.
 * User: Urban
 * Date: 09-Feb-16
 * Time: 11:43 AM
 */
$uporabniki = UporabnikDB::getAll();
$trenutniAvtor = UporabnikDB::getById($novica["avtor_id"]);
?>

<script type="text/javascript" src="<?php 
echo JS_URL . "scriptNovicaEdit.js";
?>
"></script>

<h1>Uredi novico</h1>

<form action="<?php 
echo BASE_URL . "edit/novica/edit";
?>
" method="post">
    <table class="table table-hover">
        <tr>
            <td> <p><label>ID novice: *</label></p> <input class="hidden" type="text" name="id" value="<?php 
echo $novica["id"];
?>
" /> </td>
            <td> <p type="text"> <?php 
echo $novica["id"];