diff --git a/sandbox/compiled/greeting.tpl.baf47f57.10.php b/sandbox/compiled/greeting.tpl.baf47f57.10.php
deleted file mode 100644
index d4fadb8..0000000
--- a/sandbox/compiled/greeting.tpl.baf47f57.10.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php 
-/** Fenom template 'greeting.tpl' compiled at 2013-09-02 17:37:18 */
-return new Fenom\Render($fenom, function ($tpl) {
-?>
-
-A1
-<?php
-/* greeting.tpl:4: {mc.factorial num=10} */
- $_tpl4154309674_1 = $tpl->exchangeArray(array("num" => 10));
-?><?php
-/* macros.tpl:2: {if $num} */
- if($tpl["num"]) { ?>
-    <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?> <?php
-/* macros.tpl:3: {macro.factorial num=$num-1} */
- $_tpl2531688351_1 = $tpl->exchangeArray(array("num" => $tpl["num"] - 1));
-$tpl->getMacro("factorial")->__invoke($tpl);
-$tpl->exchangeArray($_tpl2531688351_1); /* X */ unset($_tpl2531688351_1); ?> <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?>
-<?php
-/* macros.tpl:4: {/if} */
- } ?>
-<?php
-$tpl->exchangeArray($_tpl4154309674_1); /* X */ unset($_tpl4154309674_1); ?>
-A2<?php
-}, array(
-	'options' => 128,
-	'provider' => false,
-	'name' => 'greeting.tpl',
-	'base_name' => 'greeting.tpl',
-	'time' => 1378125225,
-	'depends' => array (
-  0 => 
-  array (
-    'macros.tpl' => 1378129033,
-    'greeting.tpl' => 1378125225,
-  ),
-),
-	'macros' => array(
-		'factorial' => function ($tpl) {
-?><?php
-/* macros.tpl:2: {if $num} */
- if($tpl["num"]) { ?>
-    <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?> <?php
-/* macros.tpl:3: {macro.factorial num=$num-1} */
- $_tpl2531688351_1 = $tpl->exchangeArray(array("num" => $tpl["num"] - 1));
-$tpl->getMacro("factorial")->__invoke($tpl);
-$tpl->exchangeArray($_tpl2531688351_1); /* X */ unset($_tpl2531688351_1); ?> <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?>
-<?php
-/* macros.tpl:4: {/if} */
- } ?>
-<?php
-}),
-
-        ));
diff --git a/sandbox/compiled/greeting.tpl.ef153838.e.php b/sandbox/compiled/greeting.tpl.ef153838.e.php
deleted file mode 100644
index f2e172b..0000000
--- a/sandbox/compiled/greeting.tpl.ef153838.e.php
+++ /dev/null
@@ -1,61 +0,0 @@
-<?php 
-/** Fenom template 'greeting.tpl' compiled at 2013-09-02 17:37:39 */
-return new Fenom\Render($fenom, function ($tpl) {
-?>
-
-A1
-<?php
-/* greeting.tpl:4: {mc.factorial num=10} */
- $_tpl4154309674_1 = $tpl->exchangeArray(array("num" => 10));
-?><?php
-/* macros.tpl:2: {if $num} */
- if($tpl["num"]) { ?>
-    <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?> <?php
-/* macros.tpl:3: {macro.factorial num=$num-1} */
- $_tpl2531688351_1 = $tpl->exchangeArray(array("num" => $tpl["num"] - 1));
-$tpl->getMacro("factorial")->__invoke($tpl);
-$tpl->exchangeArray($_tpl2531688351_1); /* X */ unset($_tpl2531688351_1); ?> <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?>
-<?php
-/* macros.tpl:4: {/if} */
- } ?>
-<?php
-$tpl->exchangeArray($_tpl4154309674_1); /* X */ unset($_tpl4154309674_1); ?>
-A2<?php
-}, array(
-	'options' => 0,
-	'provider' => false,
-	'name' => 'greeting.tpl',
-	'base_name' => 'greeting.tpl',
-	'time' => 1378125225,
-	'depends' => array (
-  0 => 
-  array (
-    'macros.tpl' => 1378129033,
-    'greeting.tpl' => 1378125225,
-  ),
-),
-	'macros' => array(
-		'factorial' => function ($tpl) {
-?><?php
-/* macros.tpl:2: {if $num} */
- if($tpl["num"]) { ?>
-    <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?> <?php
-/* macros.tpl:3: {macro.factorial num=$num-1} */
- $_tpl2531688351_1 = $tpl->exchangeArray(array("num" => $tpl["num"] - 1));
-$tpl->getMacro("factorial")->__invoke($tpl);
-$tpl->exchangeArray($_tpl2531688351_1); /* X */ unset($_tpl2531688351_1); ?> <?php
-/* macros.tpl:3: {$num} */
- echo $tpl["num"]; ?>
-<?php
-/* macros.tpl:4: {/if} */
- } ?>
-<?php
-}),
-
-        ));
diff --git a/sandbox/fenom.php b/sandbox/fenom.php
index 40d91f5..1cfe009 100644
--- a/sandbox/fenom.php
+++ b/sandbox/fenom.php
@@ -1,10 +1,11 @@
 <?php
 
 require_once __DIR__.'/../src/Fenom.php';
+require_once __DIR__.'/../tests/tools.php';
 
 \Fenom::registerAutoload();
 
 $fenom = Fenom::factory(__DIR__.'/templates', __DIR__.'/compiled');
-$fenom->setOptions(Fenom::AUTO_RELOAD | Fenom::AUTO_STRIP);
-echo($fenom->compile("problem.tpl", false)->getBody());
+$fenom->setOptions(Fenom::AUTO_RELOAD);
+$fenom->display(["blocks/body.tpl", "layout.tpl"], []);
 // $fenom->getTemplate("problem.tpl");
\ No newline at end of file
diff --git a/sandbox/templates/blocks/body.tpl b/sandbox/templates/blocks/body.tpl
new file mode 100644
index 0000000..e276497
--- /dev/null
+++ b/sandbox/templates/blocks/body.tpl
@@ -0,0 +1,4 @@
+{block 'body'}
+
+    do extend
+{/block}
\ No newline at end of file
diff --git a/sandbox/templates/layout.tpl b/sandbox/templates/layout.tpl
new file mode 100644
index 0000000..f44a769
--- /dev/null
+++ b/sandbox/templates/layout.tpl
@@ -0,0 +1,7 @@
+<html>
+<body>
+{block 'body'}
+nothing to do there
+{/block}
+</body>
+</html>
\ No newline at end of file
diff --git a/src/Fenom.php b/src/Fenom.php
index a8779e4..837466b 100644
--- a/src/Fenom.php
+++ b/src/Fenom.php
@@ -938,7 +938,6 @@ class Fenom
                 return $tpl;
             }
         } elseif ($this->_options & self::FORCE_COMPILE) {
-
             return $this->compile($template, $this->_options & self::DISABLE_CACHE & ~self::FORCE_COMPILE, $options);
         } else {
             return $this->_storage[$key] = $this->_load($template, $options);
@@ -1020,13 +1019,13 @@ class Fenom
             $template = $this->getRawTemplate()->load($tpl);
         } else {
             $template = $this->getRawTemplate()->load($tpl[0], false);
-            unset($tpl[0]);
-            foreach ($tpl as $t) {
-                $template->extend($t);
+            for($i = 1; $i < count($tpl); $i++) {
+                $template->extend($tpl[ $i ]);
             }
         }
         if ($store) {
             $cache   = $this->_getCacheName($tpl, $options);
+            dumpt($cache, $tpl);
             $tpl_tmp = tempnam($this->_compile_dir, $cache);
             $tpl_fp  = fopen($tpl_tmp, "w");
             if (!$tpl_fp) {
diff --git a/tests/autoload.php b/tests/autoload.php
index a9c83fb..0259429 100644
--- a/tests/autoload.php
+++ b/tests/autoload.php
@@ -7,35 +7,10 @@ define('FENOM_RESOURCES', __DIR__ . "/resources");
 
 require_once FENOM_RESOURCES . "/actions.php";
 require_once __DIR__ . "/TestCase.php";
+require_once __DIR__ . "/tools.php";
 
 ini_set('date.timezone', 'Europe/Moscow');
 
-function drop()
-{
-    call_user_func_array("var_dump", func_get_args());
-    $e = new Exception();
-    echo "-------\nDump trace: \n" . $e->getTraceAsString() . "\n";
-    exit();
-}
-
-function dump()
-{
-    foreach (func_get_args() as $arg) {
-        fwrite(STDERR, "DUMP: " . call_user_func("print_r", $arg, true) . "\n");
-
-    }
-}
-
-function dumpt()
-{
-    foreach (func_get_args() as $arg) {
-        fwrite(STDERR, "DUMP: " . call_user_func("print_r", $arg, true) . "\n");
-
-    }
-    $e = new Exception();
-    echo "-------\nDump trace: \n" . $e->getTraceAsString() . "\n";
-}
-
 if(PHP_VERSION_ID > 50400) {
     function php_gte_54() {}
 }
\ No newline at end of file
diff --git a/tests/tools.php b/tests/tools.php
new file mode 100644
index 0000000..c1c03a1
--- /dev/null
+++ b/tests/tools.php
@@ -0,0 +1,27 @@
+<?php
+
+function drop()
+{
+    call_user_func_array("var_dump", func_get_args());
+    $e = new Exception();
+    echo "-------\nDump trace: \n" . $e->getTraceAsString() . "\n";
+    exit();
+}
+
+function dump()
+{
+    foreach (func_get_args() as $arg) {
+        fwrite(STDERR, "DUMP: " . call_user_func("print_r", $arg, true) . "\n");
+
+    }
+}
+
+function dumpt()
+{
+    foreach (func_get_args() as $arg) {
+        fwrite(STDERR, "DUMP: " . call_user_func("print_r", $arg, true) . "\n");
+
+    }
+    $e = new Exception();
+    echo "-------\nDump trace: \n" . $e->getTraceAsString() . "\n";
+}
\ No newline at end of file