diff --git a/classes/context/Context.class.php b/classes/context/Context.class.php
index 6ae1889aa..2ad94ef30 100644
--- a/classes/context/Context.class.php
+++ b/classes/context/Context.class.php
@@ -200,9 +200,16 @@ class Context
 	 */
 	function init()
 	{
-		if(!isset($GLOBALS['HTTP_RAW_POST_DATA']) && version_compare(PHP_VERSION, '5.6.0', '>=') === true) {
-			if(simplexml_load_string(file_get_contents("php://input")) !== false) $GLOBALS['HTTP_RAW_POST_DATA'] = file_get_contents("php://input");
-			if(strpos($_SERVER['CONTENT_TYPE'], 'json') || strpos($_SERVER['HTTP_CONTENT_TYPE'], 'json')) $GLOBALS['HTTP_RAW_POST_DATA'] = file_get_contents("php://input");
+		// fix missing HTTP_RAW_POST_DATA in PHP 5.6 and above
+		if(!isset($GLOBALS['HTTP_RAW_POST_DATA']) && version_compare(PHP_VERSION, '5.6.0', '>=') === TRUE)
+		{
+			$GLOBALS['HTTP_RAW_POST_DATA'] = file_get_contents("php://input");
+			
+			// If content is not XML JSON, unset
+			if(!preg_match('/^[\<\{\[]/', $GLOBALS['HTTP_RAW_POST_DATA']) && strpos($_SERVER['CONTENT_TYPE'], 'json') === FALSE && strpos($_SERVER['HTTP_CONTENT_TYPE'], 'json') === FALSE)
+			{
+				unset($GLOBALS['HTTP_RAW_POST_DATA']);
+			}
 		}
 
 		// set context variables in $GLOBALS (to use in display handler)
diff --git a/classes/db/DB.class.php b/classes/db/DB.class.php
index 317ee19e1..338e6d14d 100644
--- a/classes/db/DB.class.php
+++ b/classes/db/DB.class.php
@@ -1089,7 +1089,7 @@ class DB
 	 * this method is protected
 	 * @return boolean
 	 */
-	function _begin()
+	function _begin($transactionLevel = 0)
 	{
 		return TRUE;
 	}
@@ -1117,7 +1117,7 @@ class DB
 	 * this method is protected
 	 * @return boolean
 	 */
-	function _rollback()
+	function _rollback($transactionLevel = 0)
 	{
 		return TRUE;
 	}
diff --git a/classes/db/DBCubrid.class.php b/classes/db/DBCubrid.class.php
index fc977d81a..546495d53 100644
--- a/classes/db/DBCubrid.class.php
+++ b/classes/db/DBCubrid.class.php
@@ -144,7 +144,7 @@ class DBCubrid extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _begin($transactionLevel)
+	function _begin($transactionLevel = 0)
 	{
 		if(__CUBRID_VERSION__ >= '8.4.0')
 		{
@@ -167,7 +167,7 @@ class DBCubrid extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _rollback($transactionLevel)
+	function _rollback($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
diff --git a/classes/db/DBMssql.class.php b/classes/db/DBMssql.class.php
index 32adb251c..10a59b985 100644
--- a/classes/db/DBMssql.class.php
+++ b/classes/db/DBMssql.class.php
@@ -113,7 +113,7 @@ class DBMssql extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _begin($transactionLevel)
+	function _begin($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
@@ -136,7 +136,7 @@ class DBMssql extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _rollback($transactionLevel)
+	function _rollback($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
diff --git a/classes/db/DBMysql.class.php b/classes/db/DBMysql.class.php
index 2e9bf606c..545b1310a 100644
--- a/classes/db/DBMysql.class.php
+++ b/classes/db/DBMysql.class.php
@@ -147,7 +147,7 @@ class DBMysql extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _begin()
+	function _begin($transactionLevel = 0)
 	{
 		return true;
 	}
@@ -157,7 +157,7 @@ class DBMysql extends DB
 	 * this method is private
 	 * @return boolean
 	 */
-	function _rollback()
+	function _rollback($transactionLevel = 0)
 	{
 		return true;
 	}
diff --git a/classes/db/DBMysql_innodb.class.php b/classes/db/DBMysql_innodb.class.php
index affa59aab..e19bcffe5 100644
--- a/classes/db/DBMysql_innodb.class.php
+++ b/classes/db/DBMysql_innodb.class.php
@@ -51,7 +51,7 @@ class DBMysql_innodb extends DBMysql
 	 * this method is private
 	 * @return boolean
 	 */
-	function _begin($transactionLevel)
+	function _begin($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
@@ -71,7 +71,7 @@ class DBMysql_innodb extends DBMysql
 	 * this method is private
 	 * @return boolean
 	 */
-	function _rollback($transactionLevel)
+	function _rollback($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
diff --git a/classes/db/DBMysqli_innodb.class.php b/classes/db/DBMysqli_innodb.class.php
index 55422b61f..cfc9d23c1 100644
--- a/classes/db/DBMysqli_innodb.class.php
+++ b/classes/db/DBMysqli_innodb.class.php
@@ -85,7 +85,7 @@ class DBMysqli_innodb extends DBMysql
 	 * this method is private
 	 * @return boolean
 	 */
-	function _begin($transactionLevel)
+	function _begin($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
@@ -105,7 +105,7 @@ class DBMysqli_innodb extends DBMysql
 	 * this method is private
 	 * @return boolean
 	 */
-	function _rollback($transactionLevel)
+	function _rollback($transactionLevel = 0)
 	{
 		$connection = $this->_getConnection('master');
 
diff --git a/classes/module/ModuleObject.class.php b/classes/module/ModuleObject.class.php
index 9485a74c4..37fffc7c6 100644
--- a/classes/module/ModuleObject.class.php
+++ b/classes/module/ModuleObject.class.php
@@ -86,7 +86,7 @@ class ModuleObject extends Object
 	 * @param string $type type of message (error, info, update)
 	 * @return void
 	 * */
-	function setMessage($message, $type = NULL)
+	function setMessage($message = 'success', $type = NULL)
 	{
 		parent::setMessage($message);
 		$this->setMessageType($type);
@@ -370,7 +370,7 @@ class ModuleObject extends Object
 	 * set the directory path of the layout directory
 	 * @return string
 	 * */
-	function getLayoutPath()
+	function getLayoutPath($layout_name = "", $layout_type = "P")
 	{
 		return $this->layout_path;
 	}
diff --git a/classes/object/Object.class.php b/classes/object/Object.class.php
index ed5a76bcf..9dfea8f4f 100644
--- a/classes/object/Object.class.php
+++ b/classes/object/Object.class.php
@@ -94,7 +94,7 @@ class Object
 	 * @param string $message Error message
 	 * @return bool Alaways returns true.
 	 */
-	function setMessage($message = 'success')
+	function setMessage($message = 'success', $type = NULL)
 	{
 		if($str = Context::getLang($message))
 		{
diff --git a/config/func.inc.php b/config/func.inc.php
index 2477458f5..9486177ac 100644
--- a/config/func.inc.php
+++ b/config/func.inc.php
@@ -1200,7 +1200,7 @@ function removeSrcHack($match)
 				continue;
 			}
 
-			$val = preg_replace('/&#(?:x([a-fA-F0-9]+)|0*(\d+));/e', 'chr("\\1"?0x00\\1:\\2+0)', $m[3][$idx] . $m[4][$idx]);
+			$val = preg_replace_callback('/&#(?:x([a-fA-F0-9]+)|0*(\d+));/', function($n) {return chr($n[1] ? ('0x00' . $n[1]) : ($n[2] + 0)); }, $m[3][$idx] . $m[4][$idx]);
 			$val = preg_replace('/^\s+|[\t\n\r]+/', '', $val);
 
 			if(preg_match('/^[a-z]+script:/i', $val))
diff --git a/libs/phpmailer/phpmailer.php b/libs/phpmailer/phpmailer.php
index c36f7c9d8..9ac3ffde5 100644
--- a/libs/phpmailer/phpmailer.php
+++ b/libs/phpmailer/phpmailer.php
@@ -1724,10 +1724,10 @@ class PHPMailer {
 
     switch (strtolower($position)) {
       case 'phrase':
-        $encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
+		$encoded = preg_replace_callback('/([^A-Za-z0-9!*+\/ -])/', function($n) { return '='.sprintf('%02X', ord('\\1')); }, $encoded);
         break;
       case 'comment':
-        $encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
+		$encoded = preg_replace_callback('/([\(\)\"])/', function($n) { return '='.sprintf('%02X', ord('\\1')); }, $encoded);
       case 'text':
       default:
         // Replace every high ascii, control =, ? and _ characters
diff --git a/modules/editor/editor.admin.controller.php b/modules/editor/editor.admin.controller.php
index 659132bea..baf7750a3 100644
--- a/modules/editor/editor.admin.controller.php
+++ b/modules/editor/editor.admin.controller.php
@@ -144,7 +144,8 @@ class editorAdminController extends editor
 	{
 		$oModuleController = getController('module');
 		$configVars = Context::getRequestVars();
-
+		
+		$config = new stdClass;
 		if($configVars->font_defined != 'Y') $config->font_defined = $configVars->font_defined = 'N';
 		else $config->font_defined = 'Y';
 
diff --git a/modules/layout/layout.model.php b/modules/layout/layout.model.php
index 858d37400..7797edf4d 100644
--- a/modules/layout/layout.model.php
+++ b/modules/layout/layout.model.php
@@ -289,7 +289,7 @@ class layoutModel extends layout
 	 * @param string $layout_type (P : PC, M : Mobile)
 	 * @return string path of layout
 	 */
-	function getLayoutPath($layout_name, $layout_type = "P")
+	function getLayoutPath($layout_name = "", $layout_type = "P")
 	{
 		$layout_parse = explode('|@|', $layout_name);
 		if(count($layout_parse) > 1)
diff --git a/modules/member/member.admin.view.php b/modules/member/member.admin.view.php
index f6a59dadb..b25579b82 100644
--- a/modules/member/member.admin.view.php
+++ b/modules/member/member.admin.view.php
@@ -615,7 +615,7 @@ class memberAdminView extends member
 					}
 
 					$replace = array_merge($extentionReplace, $replace);
-					$inputTag = preg_replace('@%(\w+)%@e', '$replace[$1]', $template);
+					$inputTag = preg_replace_callback('@%(\w+)%@', function($n) { return $replace[$n[1]]; }, $template);
 
 					if($extendForm->description)
 						$inputTag .= '<p class="help-block">'.$extendForm->description.'</p>';
diff --git a/modules/module/module.model.php b/modules/module/module.model.php
index fec281b95..ca6e9cc8a 100644
--- a/modules/module/module.model.php
+++ b/modules/module/module.model.php
@@ -1381,7 +1381,7 @@ class moduleModel extends module
 				$args->site_srl = $site_srl;
 				$output = executeQuery('module.getModuleConfig', $args);
 				if($output->data->config) $config = unserialize($output->data->config);
-				else $config = null;
+				else $config = new stdClass();
 
 				//insert in cache
 				if($oCacheHandler->isSupport())