chiro-canto/public/forum/categories.php

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
$root = realpath($_SERVER["DOCUMENT_ROOT"]);
include("$root/vendor/erusev/parsedown/Parsedown.php");

require "$root/database/credentials.php";
// Connect the database
try{
    $db = new PDO("mysql:host=$host;dbname=$database;charset=utf8", 
        $user, 
        $password, 
        array(PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION
        ));
}catch (Exception $e){
    die("Error : ".$e->getMessage());
}
$req = $db->prepare('SELECT * FROM `categories`');
$req->execute();
$rows = $req->fetchAll(PDO::FETCH_ASSOC);

$Parsedown = new Parsedown();
?>
<h3><?=_('Categories')?></h3>
<table id="categories">
        <thead>
            <tr>
                <th scope="col"><?=_('Title')?></th>
                <th scope="col"><?=_('Description')?></th>
            </tr>
        </thead>
        <tbody>
<?php
foreach ($rows as $row) {
?>            
                <tr>    
                    
                    <td><a href="topics/?cat=<?=$row['id']?>"><?=$row['cat_name']?></a></td></p>
                    <td><?=$Parsedown->text($row['cat_description'])?></td>
                </tr>
<?php 
}
?>      </tbody>
    </table>
<h3><?=_("Create a category")?></h3>
<form action="createcategory.php" method="post">
    <label for="title"><?=_('Category title')?></label>
    <input type="text" id="title" name="title" placeholder="<?=_('Enter a name for the new category..')?>" required>
    <label for="description"><?=_('Category description')?></label>
    <textarea name="description" id="description" cols="30" rows="5" placeholder="<?=_('Enter a description for the new category (support Markdown)..')?>" required></textarea>
    <input type="submit" value="<?=_('submit')?>" name="submit"><input type="reset" value="<?=_('reset')?>">
</form>