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1<?php
2
3namespace Config;
4
5use CodeIgniter\Events\Events;
6use CodeIgniter\Exceptions\FrameworkException;
7use CodeIgniter\HotReloader\HotReloader;
8
9/*
10 * --------------------------------------------------------------------
11 * Application Events
12 * --------------------------------------------------------------------
13 * Events allow you to tap into the execution of the program without
14 * modifying or extending core files. This file provides a central
15 * location to define your events, though they can always be added
16 * at run-time, also, if needed.
17 *
18 * You create code that can execute by subscribing to events with
19 * the 'on()' method. This accepts any form of callable, including
20 * Closures, that will be executed when the event is triggered.
21 *
22 * Example:
23 *      Events::on('create', [$myInstance, 'myMethod']);
24 */
25
26Events::on('pre_system', static function (): void {
27    if (ENVIRONMENT !== 'testing') {
28        if (ini_get('zlib.output_compression')) {
29            throw FrameworkException::forEnabledZlibOutputCompression();
30        }
31
32        while (ob_get_level() > 0) {
33            ob_end_flush();
34        }
35
36        ob_start(static fn ($buffer) => $buffer);
37    }
38
39    /*
40     * --------------------------------------------------------------------
41     * Debug Toolbar Listeners.
42     * --------------------------------------------------------------------
43     * If you delete, they will no longer be collected.
44     */
45    if (CI_DEBUG && ! is_cli()) {
46        Events::on('DBQuery', 'CodeIgniter\Debug\Toolbar\Collectors\Database::collect');
47        service('toolbar')->respond();
48        // Hot Reload route - for framework use on the hot reloader.
49        if (ENVIRONMENT === 'development') {
50            service('routes')->get('__hot-reload', static function (): void {
51                (new HotReloader())->run();
52            });
53        }
54    }
55});