パーフェクトＰＨＰ　第８章　ミニブログでのエラー解決

前提・実現したいこと

書籍パーフェクトＰＨＰのミニブログの写経で

メンバの呼び出しに関するエラーという認識ですが解決できていません。

アドバイスを頂ければ幸いです。

発生している問題・エラーメッセージ


Fatal error: Uncaught Error: Call to a member function getBaseUrl() on null in C:\xampp\htdocs\practice\mini-blog\core\Controller.php:47 Stack trace: #0 C:\xampp\htdocs\practice\mini-blog\controllers\AccountController.php(93): Controller->render(Array) #1 C:\xampp\htdocs\practice\mini-blog\core\Controller.php(38): AccountController->signinAction(Array) #2 C:\xampp\htdocs\practice\mini-blog\core\Application.php(122): Controller->run('signin', Array) #3 C:\xampp\htdocs\practice\mini-blog\core\Application.php(107): Application->runAction('account', 'signin') #4 C:\xampp\htdocs\practice\mini-blog\web\index_dev.php(7): Application->run() #5 {main} thrown in C:\xampp\htdocs\practice\mini-blog\core\Controller.php on line 47

該当のソースコード

Controller.php

php
1
2<?php
3
4abstract class Controller
5{
6    protected $controller_name;
7    protected $action_name;
8    protected $application;
9    protected $request;
10    protected $response;
11    protected $session;
12    protected $db_manager;
13    protected $auth_actions = [];
14
15    public function __construct($application)
16    {
17        $this->controller_name = strtolower(substr(get_class($this), 0,-10));
18        
19        $this->application = $application;
20        $this->requeest    = $application->getRequest();
21        $this->response    = $application->getResponse();
22        $this->session     = $application->getSession();
23        $this->db_manager  = $application->getDbManager();
24    }
25    
26    public function run($action, $params = [])
27    {
28        $this->action_name = $action;
29        
30        $action_method = $action . 'Action';
31        if(!method_exists($this, $action_method)){
32            $this->forward404();
33        }
34
35        if ($this->needsAuthentication($action) && !$this->session->isAuthenticated()){
36            throw new UnauthorizedActionException();
37        }
38
39        $content = $this->$action_method($params);
40
41        return $content;
42    }
43
44    protected function render($variables = [], $template = null, $layout = 'layout')
45    {
46        $defaults = [
47            'request'  => $this->request,
48            'base_url' => $this->request->getBaseUrl(),
49            'session'  => $this->session,
50        ];
51
52        $view = new View($this->application->getViewDir(), $defaults);
53
54        if (is_null($template)){
55            $template = $this->action_name;
56        }
57
58        $path = $this->controller_name . '/' . $template;
59
60        return $view->render($path, $variables, $layout);
61    }
62
63    protected function forward404()
64    {
65        throw new HttpNotFoundException('Forwarded 404 page from '
66            . $this->controller_name . '/' . $this->action_name);
67    }
68
69    protected function redirect($url)
70    {
71        If (!preg_match('#https?://#', $url)){
72            $protocol = $this->request->isSsl() ? 'https://' : 'http://';
73            $host = $this->request->getHost();
74            $base_url = $this->request->getBaseUrl();
75
76            $url = $protocol . $host . $base_url . $url;
77        }
78
79        $this->response->setStatusCode(302, 'Found');
80        $this->response->setHttpHeader('Location', $url);
81    }
82
83    protected function generateCsrfToken($form_name)
84    {
85        $key = 'csrf_tokens/' . $form_name;
86        $tokens = $this->session->get($key, []);
87        if (count($tokens) >= 10) {
88            array_shift($tokens);
89        }
90
91        $token = sha1($form_name . session_id() . microtime());
92        $tokens[] = $token;
93
94        $this->session->set($key, $tokens);
95
96        return $token;
97    }
98
99    protected function checkCsrfToken($form_name, $token)
100    {
101        $key = 'csrf_tokens/' . $form_name;
102        $tokens = $this->session->get($key, []);
103
104        if (false !== ($pos = array_search($token, $tokens, true))){
105            unset($tokens[$pos]);
106            $this->session->set($key, $tokens);
107            
108            return true;
109        }
110
111        return false;
112    }
113
114    protected function needsAuthentication($action)
115    {
116        if ($this->auth_actions === true
117            || (is_array($this->auth_actions) && in_array($action, $this->auth_actions))
118        ){
119            return true;
120        }
121
122        return false;
123    }
124
125}
126

Request.php

php
1<?php
2
3class Request
4{
5    public function isPost()
6    {
7        if($_SERVER['REQUEST_METHOD'] === 'POST'){
8            return true;
9        }
10        
11        return false;
12    }
13    
14    public function getGet($name, $default = null)
15    {
16        if(isset($_GET[$name])){
17            return $_GET[$name];
18        }
19        
20        return $default;
21    }
22    
23    public function getPost($name, $default = null)
24    {
25        if(isset($_POST[$name])){
26            return $_POST[$name];
27        }
28        
29        return $default;
30    }
31    
32    public function getHost()
33    {
34        if(!empty($_SERVER['HTTP_HOST'])){
35            return $_SERVER['HTTP_HOST'];
36        }
37        
38        return $_SERVER['SEVER_NAME'];
39    }
40    
41    public function isSsl()
42    {
43        if(isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on'){
44            return true;
45        }
46        return false;
47    }
48    
49    public function getRequestUri()
50    {
51        return $_SERVER['REQUEST_URI'];
52    }
53    
54    public function getBaseUrl()
55    {
56        $script_name = $_SERVER['SCRIPT_NAME'];
57        
58        $request_uri = $this->getRequestUri();
59        
60        if(0 === strpos($request_uri, $script_name)){
61            return $script_name;
62        } else if (0 === strpos ($request_uri, dirname ($script_name))){
63            return rtrim(dirname($script_name), '/');
64        }
65        
66        return '';
67    }
68    
69    public function getPathInfo()
70    {
71        $base_url = $this->getBaseUrl();
72        $request_uri = $this->getRequestUri();
73        
74        if (false !== ($pos = strpos($request_uri, '?'))){
75            $request_uri = substr($request_uri, 0, $pos);
76        }
77                 
78        $path_info = (string)substr($request_uri, strlen($base_url));
79
80        return $path_info;
81    }
82}
83