create a utility class to store all global utilities

create a utility class to store all global utilities

use utility class

src/controllers/Dashboard.php

@@ -3,6 +3,7 @@
 namespace Steamy\Controller;
 
 use Steamy\Core\Controller;
+use Steamy\Core\Utility;
 use Steamy\Model\User;
 
 class Dashboard
@@ -14,7 +15,7 @@ public function index(): void
         // if user is unauthenticated, redirect to login page
         session_regenerate_id();
         if (!array_key_exists('user', $_SESSION) || !isset($_SESSION['user'])) {
-            redirect('login');
+            Utility::redirect('login');
         }
 
         $css_file = ROOT . "/styles/views/Dashboard.css";

src/controllers/Login.php

@@ -3,6 +3,7 @@
 namespace Steamy\Controller;
 
 use Steamy\Core\Controller;
+use Steamy\Core\Utility;
 use Steamy\Model\User;
 
 class Login
@@ -16,8 +17,6 @@ private function validateUser($user): bool
         if ($user->validate($_POST)) {
             $user_profile = $user->where($_POST);
 
-            show($user_profile);
-
             if (empty($user_profile)) {
                 $this->data['errors']['other'] = 'Account does not exist';
                 return false;
@@ -32,7 +31,6 @@ private function validateUser($user): bool
     public function index(): void
     {
         $user = new User();
-        $css_file = ROOT . "/styles/views/Login.css";
 
         $this->data['defaultName'] = $user->getName();
         $this->data['defaultPassword'] = $user->getPassword();
@@ -52,7 +50,7 @@ public function index(): void
                 // user details are correct
                 // setup session and redirect to dashboard
                 $_SESSION['user'] = $user->getName();
-                redirect('dashboard');
+                Utility::redirect('dashboard');
             }
         }
 

src/controllers/Profile.php

@@ -3,6 +3,7 @@
 namespace Steamy\Controller;
 
 use Steamy\Core\Controller;
+use Steamy\Core\Utility;
 use Steamy\Model\User;
 
 class Profile
@@ -16,13 +17,13 @@ public function index(): void
         // if user is not signed in, redirect to login page
         session_regenerate_id();
         if (!array_key_exists('user', $_SESSION) || !isset($_SESSION['user'])) {
-            redirect('login');
+            Utility::redirect('login');
         }
 
         // log out user if logout button clicked
         if (isset($_POST['logout_submit'])) {
             $_SESSION = array();
-            redirect('login');
+            Utility::redirect('login');
         }
 
         // fetch user details from database

src/controllers/Register.php

@@ -3,6 +3,7 @@
 namespace Steamy\Controller;
 
 use Steamy\Core\Controller;
+use Steamy\Core\Utility;
 use Steamy\Model\User;
 
 class Register
@@ -28,7 +29,7 @@ public function index(): void
                 unset($_POST['register_submit']);
                 unset($_POST['confirmPassword']);
                 $user->insert($_POST);
-                redirect('login');
+                Utility::redirect('login');
             }
             $data['errors'] = $user->errors;
         }

src/core/App.php

@@ -11,19 +11,14 @@ class App
     // manage routes and methods 
     // $req = $_SERVER['REQUEST_URI'];
     //$method = $_SERVER['REQUEST_METHOD'];
-    private function splitURL(): array
-    {
-        $URL = $_GET['url'] ?? 'home';
-        return explode("/", trim($URL, '/'));
-    }
 
     /**
      * Calls appropriate controller class to deal with URL.
      * @return void
      */
     public function loadController(): void
     {
-        $URL = $this->splitURL();
+        $URL = Utility::splitURL();
 
         $controllerClassName = 'Steamy\\Controller\\' . ucfirst($URL[0]);
 

src/core/Utility.php

@@ -0,0 +1,45 @@
+<?php
+
+namespace Steamy\Core;
+
+class Utility
+{
+    /**
+     * Display any data in a formatted block. Use this function
+     * for debugging.
+     * @param $stuff
+     * @return void
+     */
+    public static function show($stuff): void
+    {
+        echo "<pre>";
+        print_r($stuff);
+        echo "</pre>";
+    }
+
+    /**
+     * Splits the URL into an array of segments.
+     *
+     * This function retrieves the 'url' parameter from the $_GET array or defaults to 'home',
+     * trims leading and trailing slashes, and then explodes the URL into an array of segments.
+     *
+     * @return array An array containing the URL segments.
+     */
+    public static function splitURL(): array
+    {
+        $URL = $_GET['url'] ?? 'home';
+        return explode("/", trim($URL, '/'));
+    }
+
+    /** @noinspection PhpNoReturnAttributeCanBeAddedInspection */
+    /**
+     * Redirects website to a page.
+     * @param $path string relative URL of page
+     * @return void
+     */
+    public static function redirect(string $path): void
+    {
+        header("Location: " . ROOT . "/" . $path);
+        die;
+    }
+}

src/core/init.php

@@ -9,5 +9,4 @@
 session_start(); // start a new session
 
 require '../vendor/autoload.php'; // autoload classes
-require 'config.php'; // define configurations for database and root path
-require 'functions.php'; // define global helper functions
+require 'config.php'; // define configurations for database and root path