facut pana la video 7

knowyourfood/core/Session.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace app\core;
+
+class Session{
+    protected const FLASH_KEY = 'flash_messages';
+    public function __construct(){
+        session_start();
+        $flashMessages = $_SESSION[self::FLASH_KEY] ?? [];
+        foreach($flashMessages as $key => &$flashMessage){
+            $flashMessage['remove'] = 'true';
+        }
+
+        $_SESSION[self::FLASH_KEY] = $flashMessages;
+    }
+
+    public function setFlash($key, $message){
+        $_SESSION[self::FLASH_KEY][$key] = [
+            'value' => $message,
+            'remove' => 'false'
+        ];
+    }
+
+    public function getFlash($key){
+        return $_SESSION[self::FLASH_KEY][$key]['value'] ?? false;
+    }
+
+    public function set($key, $value){
+        $_SESSION[$key] = $value;
+    }
+
+    public function get($key){
+        return $_SESSION[$key] ?? false;
+    }
+
+    public function remove($key){
+        unset($_SESSION[$key]);
+    }
+
+    public function __destruct(){
+        $flashMessages = $_SESSION[self::FLASH_KEY] ?? [];
+        foreach($flashMessages as $key => &$flashMessage){
+            if($flashMessage['remove']){
+                unset($flashMessages[$key]);
+            }
+        }
+
+        $_SESSION[self::FLASH_KEY] = $flashMessages;
+    }
+}