hajeebtok-backend/app/Controllers/ErrorController.php

<?php
/*
 * Part of Shuzanne - An extensible sequel to an open-source imageboard.
 *
 * @package   Shuzanne
 * @author    MisleadingName, Shuzanne Contributors
 * @license   MPL v2.0
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

namespace app\Controllers;

use Pecee\SimpleRouter\SimpleRouter;
use app\Interfaces\IRouteController;

class ErrorController implements IRouteController
{
    /**
     * @var array<int, string> HTTP status code lookup
     */
    private static array $codeLookup = [
        100 => "Continue",
        101 => "Switching Protocols",
        102 => "Processing",
        103 => "Early Hints",
        200 => "OK",
        201 => "Created",
        202 => "Accepted",
        203 => "Non-Authoritative Information",
        204 => "No Content",
        205 => "Reset Content",
        206 => "Partial Content",
        207 => "Multi-Status",
        208 => "Already Reported",
        226 => "IM Used",
        300 => "Multiple Choices",
        301 => "Moved Permanently",
        302 => "Found",
        303 => "See Other",
        304 => "Not Modified",
        305 => "Use Proxy",
        306 => "Switch Proxy",
        307 => "Temporary Redirect",
        308 => "Permanent Redirect",
        400 => "Bad Request",
        401 => "Unauthorized",
        402 => "Payment Required",
        403 => "Forbidden",
        404 => "Not Found",
        405 => "Method Not Allowed",
        406 => "Not Acceptable",
        407 => "Proxy Authentication Required",
        408 => "Request Timeout",
        409 => "Conflict",
        410 => "Gone",
        411 => "Length Required",
        412 => "Precondition Failed",
        413 => "Request Entity Too Large",
        414 => "Request-URI Too Long",
        415 => "Unsupported Media Type",
        416 => "Requested Range Not Satisfiable",
        417 => "Expectation Failed",
        418 => "I'm a teapot",
        421 => "Misdirected Request",
        422 => "Unprocessable Entity",
        423 => "Locked",
        424 => "Failed Dependency",
        425 => "Too Early",
        426 => "Upgrade Required",
        428 => "Precondition Required",
        429 => "Too Many Requests",
        431 => "Request Header Fields Too Large",
        451 => "Unavailable For Legal Reasons",
        500 => "Internal Server Error",
        501 => "Not Implemented",
        502 => "Bad Gateway",
        503 => "Service Unavailable",
        504 => "Gateway Timeout",
        505 => "HTTP Version Not Supported",
        506 => "Variant Also Negotiates",
        507 => "Insufficient Storage",
        508 => "Loop Detected",
        510 => "Not Extended",
        511 => "Network Authentication Required",
        599 => "Network Connect Timeout Error",
    ];

    public static function HtmlError($code): string
    {
        return render("pages/error.twig", ["error_code" => $code, "error_name" => array_key_exists($code, self::$codeLookup) ? self::$codeLookup[$code] : "Unknown Error"]);
    }
    public static function ApiError($code)
    {
        return api_json([
            "error" => $code,
            "message" => self::$codeLookup[$code],
        ]);
    }

    static function RegisterRoutes(): void
    {
        // It's an error handler, no need for routing.
    }
}