diff --git a/engine/ext.php b/engine/ext.php
new file mode 100644
index 0000000..f9d71cf
--- /dev/null
+++ b/engine/ext.php
@@ -0,0 +1,7 @@
+<?php
+
+$user = [ 'login' => 'admin', 'pass' => 111];
+
+extract($user);
+
+var_dump($login);
\ No newline at end of file
diff --git a/engine/file1.php b/engine/file1.php
new file mode 100644
index 0000000..d77f765
--- /dev/null
+++ b/engine/file1.php
@@ -0,0 +1,24 @@
+<?php
+// ini_set('error_reporting', 0);
+
+function one()
+{
+    require_once "lib/file2.php";
+    sendMessage();
+}
+
+function two()
+{
+    include_once "lib/file2.php";
+    sendMessage();
+}
+
+function three()
+{
+    include_once "lib/file2.php";
+    sendMessage();
+}
+
+one();
+two();
+three();
diff --git a/engine/index.php b/engine/index.php
index 9874b66..70726de 100644
--- a/engine/index.php
+++ b/engine/index.php
@@ -1,75 +1,35 @@
 <?php
 
-$arr = [
-  ['id' => 1, 'name' => 'pop'],
-  ['id' => 2, 'name' => 'hip-hop'],
-  ['id' => 3, 'name' => 'rock'],
-  ['id' => 4, 'name' => 'jazz'],
-  ['id' => 5, 'name' => 'classic'],
-];
+define('FOLDER_TEMPLATE', './template/');
+include "model_box.php";
+function render($tpl, $data)
+{
+    extract($data);
 
-$music = [
-  ['id' => 1, 'id_styles' => 5, 'href' => 'https://azbyka.ru/audio/audio1/Muzyka-i-pesni/populjarnaja-klassicheskaja-muzyka/65_iogann_sebastjyan_bah_i_sharlj_guno__sotis_ave_mariya_.mp3'],
-  ['id' => 2, 'id_styles' => 5, 'href' => 'https://azbyka.ru/audio/audio1/Muzyka-i-pesni/populjarnaja-klassicheskaja-muzyka/107_zuppe_uvertyura_k_opere_legkaya_kavaleriya.mp3'],
-  // ['id'=> 3, 'name'=> 'rock'],
-// ['id'=> 4, 'name'=> 'jazz'],
-// ['id'=> 5, 'name'=> 'classic'],
-];
 
-$str = "";
+    // include "model_box.php";
 
-foreach ($arr as $item) {
-  $str .= "<li>" . $item['name'] . "</li>";
+    // Start output buffering
+    ob_start();
+
+    // Include the template file
+    include FOLDER_TEMPLATE . $tpl;
+
+    // Get the contents of the buffer
+    $content = ob_get_contents();
+
+    // End output buffering and erase the buffer's contents
+    ob_end_clean();
+
+    // Perform any necessary processing on the template content
+// For example, you can replace placeholders, apply filters, etc.
+// $content = str_replace('{{title}}', 'My Website', $content);
+
+    // Output the processed content
+    return $content;
 }
 
-echo ('<ul>' . $str . '</ul>');
-
-$select = "<select id='styles'>
-<option value='1'> pop </option>
-<option value='2'> hip-hop </option>
-<option value='3'> rock </option>
-<option value='4'> jazz </option>
-<option value='5'> classic </option>
-</select>";
-
-$options = "";
-foreach ($arr as $item) {
-  $options .= "<option value=" . $item['id'] . ">" . $item['name'] . "</option>";
-}
-
-$select = '<select id="styles">' . $options . '</select>';
-
-echo ($select);
-
-$box = [];
-if (
-  $handle =
-  opendir('C:\\Lerning\\lerning-php\\itmo-php-course\\engine\\upload')
-) {
-  // echo "Directory handle: $handle\n";
-  // echo "Entries:\n";
-
-  /* This is the correct way to loop over the directory. */
-  while (false !== ($entry = readdir($handle))) {
-    $ext = pathinfo($entry, PATHINFO_EXTENSION);
-    //  echo   $ext ."\n";
-    if ($ext == 'mp3') {
-      array_push($box, "C:\\Lerning\\lerning-php\\itmo-php-course\\engine\\upload\\$entry");
-    }
-  }
-
-  closedir($handle);
-}
-// var_dump($box);
-
-$playlist = "";
-foreach ($box as $item) {
-  $playlist .= '<audio controls="controls">
-    <source src="' . $item . '" type="audio/mpeg">
-    </audio>';
-};
-
-// $playlist = "<audio controls>" . $soursec . "</audio>";
-
-echo ($playlist);
+$value = ['box' => $box, 'title' => "God save the King!", 'body' => "Happy New Year!", 'auth' => true];
+$portial = render('tpl_layout.php', $value);
 
+echo $portial;
\ No newline at end of file
diff --git a/engine/index_music.php b/engine/index_music.php
new file mode 100644
index 0000000..1f5e720
--- /dev/null
+++ b/engine/index_music.php
@@ -0,0 +1,73 @@
+<?php
+
+$arr = [
+  ['id' => 1, 'name' => 'pop'],
+  ['id' => 2, 'name' => 'hip-hop'],
+  ['id' => 3, 'name' => 'rock'],
+  ['id' => 4, 'name' => 'jazz'],
+  ['id' => 5, 'name' => 'classic'],
+];
+
+$music = [
+  ['id' => 1, 'id_styles' => 5, 'href' => 'https://azbyka.ru/audio/audio1/Muzyka-i-pesni/populjarnaja-klassicheskaja-muzyka/65_iogann_sebastjyan_bah_i_sharlj_guno__sotis_ave_mariya_.mp3'],
+  ['id' => 2, 'id_styles' => 5, 'href' => 'https://azbyka.ru/audio/audio1/Muzyka-i-pesni/populjarnaja-klassicheskaja-muzyka/107_zuppe_uvertyura_k_opere_legkaya_kavaleriya.mp3'],
+  // ['id'=> 3, 'name'=> 'rock'],
+// ['id'=> 4, 'name'=> 'jazz'],
+// ['id'=> 5, 'name'=> 'classic'],
+];
+
+$str = "";
+
+foreach ($arr as $item) {
+  $str .= "<li>" . $item['name'] . "</li>";
+}
+
+echo ('<ul>' . $str . '</ul>');
+
+$select = "<select id='styles'>
+<option value='1'> pop </option>
+<option value='2'> hip-hop </option>
+<option value='3'> rock </option>
+<option value='4'> jazz </option>
+<option value='5'> classic </option>
+</select>";
+
+$options = "";
+foreach ($arr as $item) {
+  $options .= "<option value=" . $item['id'] . ">" . $item['name'] . "</option>";
+}
+
+$select = '<select id="styles">' . $options . '</select>';
+
+echo ($select);
+
+$box = [];
+if (
+  $handle =
+  opendir('./upload')
+) {
+  // echo "Directory handle: $handle\n";
+  // echo "Entries:\n";
+
+  /* This is the correct way to loop over the directory. */
+  while (false !== ($entry = readdir($handle))) {
+    $ext = pathinfo($entry, PATHINFO_EXTENSION);
+    //  echo   $ext ."\n";
+    if ($ext == 'mp3') {
+      array_push($box, "./upload/$entry");
+    }
+  }
+
+  closedir($handle);
+}
+// var_dump($box);
+
+$playlist = "";
+foreach ($box as $item) {
+  $playlist .= '<audio controls="controls">
+    <source src="' . $item . '" type="audio/mpeg">
+    </audio>';
+}
+;
+echo ($playlist);
+
diff --git a/engine/lib/file2.php b/engine/lib/file2.php
new file mode 100644
index 0000000..9f9b26a
--- /dev/null
+++ b/engine/lib/file2.php
@@ -0,0 +1,19 @@
+<?php
+
+$box = [2, 3, 5];
+// include_once "../itmo-php-course/engine/file1.php";
+// function sendMessage()
+// {
+//     echo "Happy new year! God save the King!";
+
+// }
+
+// three();
+
+
+    //                     *
+    //                 *       *
+    //             *       *       *
+    //         *       *       *       *
+    //     *       *       *       *       *
+    // *       *       *       *       *       *                       
\ No newline at end of file
diff --git a/engine/model_box.php b/engine/model_box.php
new file mode 100644
index 0000000..716fbf1
--- /dev/null
+++ b/engine/model_box.php
@@ -0,0 +1,21 @@
+<?php
+
+$box = [];
+if (
+  $handle =
+  opendir('./upload')
+) {
+  // echo "Directory handle: $handle\n";
+  // echo "Entries:\n";
+
+  /* This is the correct way to loop over the directory. */
+  while (false !== ($entry = readdir($handle))) {
+    $ext = pathinfo($entry, PATHINFO_EXTENSION);
+    //  echo   $ext ."\n";
+    if ($ext == 'mp3') {
+      array_push($box, "./upload/$entry");
+    }
+  }
+
+  closedir($handle);
+}
\ No newline at end of file
diff --git a/engine/template/tpl_layout.php b/engine/template/tpl_layout.php
new file mode 100644
index 0000000..e111ece
--- /dev/null
+++ b/engine/template/tpl_layout.php
@@ -0,0 +1,29 @@
+
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title><?php echo $body; ?> </title>
+</head>
+
+<body>
+    <?php echo $title; ?>
+    
+    <?php if ($auth): ?>
+        <div class="logout"><a href="logout.php">exit</a></div>
+    <?php else: ?>
+        <div class="login"><a href="login.php">login</a></div>
+    <?php endif; ?>
+
+    <?php foreach ($box as $item): ?>
+        <audio controls="controls">
+            <source src="<?php echo $item ?>" type="audio/mpeg">
+        </audio>
+    <?php endforeach; ?>
+
+
+</body>
+
+</html>
\ No newline at end of file