diff --git a/e107_handlers/bbcode_handler.php b/e107_handlers/bbcode_handler.php
index f8696e0c8..80d5dcdde 100644
--- a/e107_handlers/bbcode_handler.php
+++ b/e107_handlers/bbcode_handler.php
@@ -735,6 +735,7 @@ class e_bbcode
 			print_a($arr);
 		}
 
+		$arr['img'] = isset($arr['img']) && is_array($arr['img']) ? $arr['img'] : [];
 		foreach($arr['img'] as $img)
 		{
 			if(/*substr($img['src'],0,4) == 'http' ||*/ strpos($img['src'], e_IMAGE_ABS.'emotes/')!==false) // dont resize external images or emoticons.
diff --git a/e107_handlers/e_parse_class.php b/e107_handlers/e_parse_class.php
index dd8a93748..903d00381 100644
--- a/e107_handlers/e_parse_class.php
+++ b/e107_handlers/e_parse_class.php
@@ -2914,7 +2914,7 @@ class e_parse extends e_parser
 	 */
 	function thumbUrlDecode($src)
 	{
-		list($url,$qry) = explode("?",$src);
+		list($url,$qry) = array_pad(explode("?",$src), 2, null);
 
 		$ret = array();
 
diff --git a/e107_plugins/tinymce4/plugins/e107/parser.php b/e107_plugins/tinymce4/plugins/e107/parser.php
index 8cbd6101d..b343404ae 100644
--- a/e107_plugins/tinymce4/plugins/e107/parser.php
+++ b/e107_plugins/tinymce4/plugins/e107/parser.php
@@ -19,7 +19,7 @@ $_E107['no_menus'] = true;
 $_E107['no_forceuserupdate'] = true;
 $_E107['no_maintenance'] = true;
 
-define('e_ADMIN_AREA', true);
+if (!defined('e_ADMIN_AREA')) define('e_ADMIN_AREA', true);
 if(!defined('TINYMCE_DEBUG') && !defined('TINYMCE_UNIT_TEST'))
 {
 	require_once("../../../../class2.php");
@@ -42,6 +42,9 @@ class e107TinyMceParser
 	 */
 	function __construct()
 	{
+		$_POST['mode'] = isset($_POST['mode']) ? $_POST['mode'] : 'tohtml';
+		$_POST['content'] = isset($_POST['content']) ? $_POST['content'] : '';
+
 		$html = '';
 
 		if(defined('TINYMCE_DEBUG') || defined('TINYMCE_UNIT_TEST'))
@@ -70,7 +73,6 @@ class e107TinyMceParser
 TEMPL;
 			}
 			$_POST['content'] = $text;
-			$_POST['mode'] = 'tohtml';
 		}
 		else
 		{
@@ -119,7 +121,7 @@ TEMPL;
 		$content = stripslashes($content);
 
 		//	$content = e107::getBB()->htmltoBBcode($content);	//XXX This breaks inserted images from media-manager. :/
-		e107::getBB()->setClass($_SESSION['media_category']);
+		e107::getBB()->setClass($this->getMediaCategory());
 
 		if(check_class($pref['post_html'])) // raw HTML within [html] tags.
 		{
@@ -197,7 +199,7 @@ TEMPL;
 		$pref = e107::getPref();
 	//	$tp = e107::getParser();
 
-			e107::getBB()->setClass($_SESSION['media_category']);
+		e107::getBB()->setClass($this->getMediaCategory());
 
 		$content = stripslashes($content);
 
@@ -231,6 +233,14 @@ TEMPL;
 
 	}
 
+	/**
+	 * @return mixed|null
+	 */
+	private function getMediaCategory()
+	{
+		return isset($_SESSION['media_category']) ? $_SESSION['media_category'] : null;
+	}
+
 
 
 
diff --git a/e107_tests/tests/unit/plugins/e107TinyMceParserTest.php b/e107_tests/tests/unit/plugins/e107TinyMceParserTest.php
index 6d6e97fee..e2e98b70b 100644
--- a/e107_tests/tests/unit/plugins/e107TinyMceParserTest.php
+++ b/e107_tests/tests/unit/plugins/e107TinyMceParserTest.php
@@ -17,7 +17,7 @@
 
 		protected function _before()
 		{
-			define('TINYMCE_UNIT_TEST', true);
+			@define('TINYMCE_UNIT_TEST', true);
 			require_once(e_PLUGIN."tinymce4/plugins/e107/parser.php");
 			try
 			{