OpenShorte.old/lib/php/go.php

<?php
    if ( isset ( $request [ 1 ] ) ) {
        $link_id = $request [ 1 ];
        if ( ! ctype_digit ( $link_id ) ) {
            die ( "You can't be forwarded to a non numerical URL link ID. If you think this is incorrect, please send an email to shorte@dev.bryanpedini.it with this URL: https://sh.bjphoster.com/?go=" . $link_id . " for more investigations" );
        }
        $link_id = (int) $link_id;
        $database = new Database ( $config [ 'db' ] );
        $database->connect ( );
        $database->prepare ( "SELECT links.URL FROM links WHERE links.ID = ?" );
        $parameters = [
            [ "i" ],
            [ &$link_id ],
        ];
        $database->bind ( $parameters );
        $database->execute ( );
        $result = $database->get_result ( );
        $row = $result->fetch_assoc ( );
        if ( ! $row ) {
            http_response_code ( 404 );
            include ( 'errors/404.html' );
            exit;
        }
        else {
            include ( 'templates/redirect.html' );
            echo ( '<script>var my_location = "' . $row [ 'URL' ] . '";</script>' );
        }
    }
    else {
        header ( "Location: " . substr ( $_SERVER [ 'SCRIPT_NAME' ], 0, -10 ) );
    }
?>