creation of the exist function

Author: carleii2

cookie.php

@@ -20,6 +20,13 @@ function __construct($name, $value, $time)
         # code...
     }
 
+    // CHECK IF THE COOKIE EXISTS
+    public function exist()
+    {
+        return (isset($_COOKIE[$this->cookie_name]))? 1:0;
+        # code...
+    }
+
     #LAUNCH
     public function start()
     {
@@ -33,14 +40,14 @@ public function start()
     public function update($time)
     {
         // CHECKING IF THE COOKIE ALREADY EXIST
-        if (isset($_COOKIE[$this->cookie_name])) {
+        if ($this->exist()== 1) {
             $this->cookie_value = $_COOKIE[$this->cookie_name];
             $this->time = $time;
             $this->start();
             return  1;
             # code...
         } else {
-            return "message d'erreur";
+            return 0;
         }
 
         # code...
@@ -49,18 +56,17 @@ public function update($time)
     #READ COOKIE VALUE
     public function getValue()
     {
-        return $this->cookie_value;
+        ($this->exist()== 1)? $this->cookie_value:trigger_error("session cookie does not exist", E_USER_ERROR);
         # code...
     }
 
     #DESTRUCTION
     public function stop()
     {
-        // Suppression du cookie 
+        // deletion of the cookie 
         setcookie($this->cookie_name);
-        // Suppression de la valeur du tableau $_COOKIE
+        // Removed super global value $_COOKIE
         unset($_COOKIE[$this->cookie_name]);
-        // redirection
         return 1;
 
         # code...

index.php

@@ -5,19 +5,25 @@
 require_once './cookie.php';
 
 // MAIN PROGRAMM
+const COOKIE_NAME = "the name of the cookie dude";
+const DEFAULT_COOKIE_TIME = 60*60*24*365; # one year duration
+$cookie_value = "give a value to your cookie";
 
 // INSTANTIATION
-$cookie = new CookieSession('user', 'devcarle@gmail.com', time() + 15 * 3);
+$cookie = new CookieSession(COOKIE_NAME, $cookie_value, time() + DEFAULT_COOKIE_TIME);
 
 // LAUNCH
 $answer = $cookie->start();
-// header("Location: ./");
+// you must redirect to another page for the cookie to exist
+#header("Location: ./");
 
 // UPDATE
 $answer = $cookie->update(time() + 60 * 60);
 
 // GET VALUE
 $cookie_value = $cookie->getValue();
-#echo "hey";
 // DESTRUCTION
+
 $answer = $cookie->stop();
+// redirection to the login page or somethinglike
+#header("Location: ./");