diff --git a/20241014/func.php b/20241014/func.php
new file mode 100644
index 0000000..fbc1e2e
--- /dev/null
+++ b/20241014/func.php
@@ -0,0 +1,38 @@
+<?php
+
+function isSubmit(){
+    if (!isset($_POST)){
+        return false;
+    } else{
+        if (!isset($_POST["loginname"]) || strlen($_POST["loginname"]) < 4){
+            return false;
+        }   else if (!isset($_POST["pwd"]) || strlen($_POST["pwd"]) < 4){
+            return false;
+        }   else{
+            return true;
+        }
+    }
+}
+
+
+function checklogin(){
+    $jopwd = "alma";
+    $jouser = "user";
+
+    if ($_POST["loginname"] == $jouser && $_POST["pwd"] == $jopwd){
+        $_SESSION["isloggedin"] = 1;
+        $_SESSION["uname"] = $_POST["loginname"];
+    } else{
+        $_SESSION["isloggedin"] = 0;
+        return false;
+    }
+}
+
+
+function isLoggedIn(){
+    if ($_SESSION["isloggedin"] == 1){
+        return true;
+    } else{
+        return false;
+    }
+}
\ No newline at end of file
diff --git a/20241014/index.php b/20241014/index.php
new file mode 100644
index 0000000..7004e39
--- /dev/null
+++ b/20241014/index.php
@@ -0,0 +1,35 @@
+<?php
+    session_start();
+    include("func.php");
+
+    if (isSubmit()){
+        if(checklogin()){
+            echo "sikeres bejelentkezés";
+        } else {
+            echo "bejelentkezesi hiba";
+        }
+    }
+?>
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Munkamenet</title>
+</head>
+<body>
+    <?php
+        if (!isLoggedIn()){
+    ?>
+<h1>Bejelentkezés</h1>
+    <form action="#" method="POST">
+        Név: <input type="text" name="loginname"> <br>
+        Jelszó: <input type="password" name="pwd"> <br>
+        <button type="submit">OK</button>
+    </form>
+    <?php
+        }
+    ?>
+    
+</body>
+</html>
\ No newline at end of file
