handle empty or nulled content

conlite/external/wysiwyg/tinymce3/editor.php

@@ -1,4 +1,5 @@
 <?php
+
 /**
  * Project: 
  * Contenido Content Management System
@@ -31,13 +32,13 @@
  * }}
  * 
  */
- if(!defined('CON_FRAMEWORK')) {
+if (!defined('CON_FRAMEWORK')) {
     die('Illegal call');
 }
 
 
 // include editor config/combat file
-include (dirname(__FILE__).DIRECTORY_SEPARATOR."config.php"); // CONTENIDO
+include (dirname(__FILE__) . DIRECTORY_SEPARATOR . "config.php"); // CONTENIDO
 cInclude("external", "wysiwyg/tinymce3/editorclass.php");
 
 // name of textarea element
@@ -53,25 +54,22 @@ if ($a_content[$type][$typenr]) {
     // if not set it is possible to use available content from var $editor_content
 }
 
-$editor_content = clHtmlSpecialChars($editor_content);
+$editor_content = is_null($editor_content) ? '' : clHtmlSpecialChars($editor_content);
 
 $cTinyMCEEditor = new cTinyMCEEditor($editor_name, $editor_content);
 
-switch ($type)
-{
+switch ($type) {
     case "CMS_HTML":
         $editor_height = getEffectiveSetting("wysiwyg", "tinymce-height-html", false);
 
-		if ($editor_height == false)
-		{
+        if ($editor_height == false) {
             $editor_height = getEffectiveSetting("tinymce", "contenido_height_html", false);
         }
         break;
     case "CMS_HTMLHEAD":
         $editor_height = getEffectiveSetting("wysiwyg", "tinymce-height-head", false);
 
-		if ($editor_height == false)
-		{
+        if ($editor_height == false) {
             $editor_height = getEffectiveSetting("tinymce", "contenido_height_head", false);
         }
         break;
@@ -79,24 +77,22 @@ switch ($type)
         $editor_height = false;
 }
 
-if ($editor_height !== false)
-{
+if ($editor_height !== false) {
     $cTinyMCEEditor->setSetting("height", $editor_height, true);
 }
 
 /*
-TODO:
+  TODO:
 
--> see editor_template.js
--> create own theme template engine
--> maybe change the way icons are displayed
-*/
+  -> see editor_template.js
+  -> create own theme template engine
+  -> maybe change the way icons are displayed
+ */
 
 $currentuser = new User;
 $currentuser->loadUserByUserID($auth->auth["uid"]);
 
-if ($currentuser->getField("wysi") == 1)
-{
+if ($currentuser->getField("wysi") == 1) {
     echo $cTinyMCEEditor->getScripts();
     echo $cTinyMCEEditor->getEditor();
 } else {
@@ -107,7 +103,7 @@ if ($currentuser->getField("wysi") == 1)
     $editor_width = getEffectiveSetting("wysiwyg", "tinymce-width", "600");
     $editor_height = getEffectiveSetting("wysiwyg", "tinymce-height", "480");
 
-	$oTextarea->setStyle("width: ".$editor_width."px; height: ".$editor_height."px; background-color: ".$bgColor.";");
+    $oTextarea->setStyle("width: " . $editor_width . "px; height: " . $editor_height . "px; background-color: " . $bgColor . ";");
 
     echo $oTextarea->render();
 }