PHP 7.0 beta 3 Magento 1.x patch

magento-php-7.0.patch

diff --git a/app/code/core/Mage/Core/Model/Layout.php b/app/code/core/Mage/Core/Model/Layout.php
index f5dc619..373736d 100644
--- a/app/code/core/Mage/Core/Model/Layout.php
+++ b/app/code/core/Mage/Core/Model/Layout.php
@@ -552,7 +552,7 @@ class Mage_Core_Model_Layout extends Varien_Simplexml_Config
         $out = '';
         if (!empty($this->_output)) {
             foreach ($this->_output as $callback) {
-                $out .= $this->getBlock($callback[0])->$callback[1]();
+                $out .= $this->getBlock($callback[0])->{$callback[1]}();
             }
         }
 
diff --git a/app/code/core/Mage/Core/Model/Session/Abstract.php b/app/code/core/Mage/Core/Model/Session/Abstract.php
index 8386fb8..a287df6 100644
--- a/app/code/core/Mage/Core/Model/Session/Abstract.php
+++ b/app/code/core/Mage/Core/Model/Session/Abstract.php
@@ -564,6 +564,8 @@ class Mage_Core_Model_Session_Abstract extends Mage_Core_Model_Session_Abstract_
      */
     public function renewSession()
     {
+        return $this;
+
         $this->getCookie()->delete($this->getSessionName());
         $this->regenerateSessionId();
 
diff --git a/app/code/core/Mage/Core/functions.php b/app/code/core/Mage/Core/functions.php
index d9ba409..694acee 100644
--- a/app/code/core/Mage/Core/functions.php
+++ b/app/code/core/Mage/Core/functions.php
@@ -375,3 +375,32 @@ if ( !function_exists('sys_get_temp_dir') ) {
         }
     }
 }
+
+define('ICONV_IMPL', false);
+
+if( !function_exists('iconv_strlen')) {
+    function iconv_strlen($string, $charset = null) {
+        return strlen($string);
+    }
+}
+
+if( !function_exists('iconv_substr')) {
+    function iconv_substr($string, $offset, $length = null, $charset = null) {
+        if(is_null($length)) {
+            $length = iconv_strlen($string);
+        }
+        return substr($string, $offset, $length);
+    }
+}
+
+if( !function_exists('iconv_strpos')) {
+    function iconv_strpos($haystack, $needle, $offset = 0, $charset = null) {
+        return strpos($haystack, $needle, $offset);
+    }
+}
+
+if( !function_exists('iconv_strrpos')) {
+    function iconv_strrpos($haystack, $needle, $offset = 0, $charset = null) {
+        return strrpos($haystack, $needle, $offset);
+    }
+}