dragon_fire/www/src/setup/db.php

<?php

require_once 'db_handler/mysql_handler.php';
require_once 'db_handler/mysql_analytics_handler.php';
require_once 'db_handler/post_handler.php';

$db_params = $SITE_CONFIG['db'];
$db_connection = null;
try {
    if(false !== getenv('MYSQL_HOST')) {
        $db_connection = mysqli_connect(getenv('MYSQL_HOST'), 
            getenv('MYSQL_USER'), getenv('MYSQL_PASSWORD'), 
            getenv('MYSQL_DATABASE'),
            getenv('MYSQL_PORT'));
    }
    else {
        $db_connection = mysqli_connect($db_params['host'], 
            $db_params['user'], $db_params['password'], 
            $db_params['database'],
            $db_params['port']);
    }
} catch (\Throwable $th) {
    echo 'Connection failed<br>';
    echo 'Error number: ' . mysqli_connect_errno() . '<br>';
    echo 'Error message: ' . mysqli_connect_error() . '<br>';
    die();
}

$sql_adapter = new MySQLHandler($db_connection, 
    $SITE_CONFIG['site_defaults']['uri_prefix'],
    $db_params['prefix']);

$analytics_adapter = new MySQLAnalyticsHandler($db_connection,
    $SITE_CONFIG['site_defaults']['uri_prefix']);

$adapter = new PostHandler($sql_adapter);

require_once 'dergdown.php';
require_once 'setup/derg_insert.php';

function dergdown_to_html($post) {
    $DergInsert = new DergInsertRenderer($post);
    $Parsedown = new Dergdown();
    $Parsedown->setDergRenderer($DergInsert);

    $markdown = $post->markdown;

    if($markdown == '') {
        $markdown = '
{{
template: fragments/directory/inline.html
}}
';
    }

    return $Parsedown->text($markdown);
}
function post_to_html($post) {
    return dergdown_to_html($post);
}
$adapter->markdown_engine = "post_to_html";

$adapter->site_defaults = $SITE_CONFIG['site_defaults'];

?>