Index: kernel/classes/ezcontentfunctions.php
===================================================================
--- kernel/classes/ezcontentfunctions.php	(revision 24219)
+++ kernel/classes/ezcontentfunctions.php	(working copy)
@@ -192,6 +192,155 @@
 
         return $contentObject;
     }
+
+    /**
+     * Updates an existing content object.
+     *
+     * This function works like createAndPublishObject
+     *
+     * Here is an example
+     * <code>
+     *
+     * <?php
+     * $contentObjectID = 1;
+     * $contentObject = eZContentObject::fetch( $contentObjectID );
+     *
+     * if( $contentObject instanceof eZContentObject )
+     * {
+     *     $xmlDeclaration = '<?xml version="1.0" encoding="utf-8"?>
+     *                         <section xmlns:image="http://ez.no/namespaces/ezpublish3/image/"
+     *                                  xmlns:xhtml="http://ez.no/namespaces/ezpublish3/xhtml/"
+     *                                  xmlns:custom="http://ez.no/namespaces/ezpublish3/custom/">';
+     *
+     *     $now = $now = date( 'Y/m/d H:i:s', time() );
+     *     $xmlDeclaration = '<?xml version="1.0" encoding="utf-8"?>
+     *                     <section xmlns:image="http://ez.no/namespaces/ezpublish3/image/"
+     *                                 xmlns:xhtml="http://ez.no/namespaces/ezpublish3/xhtml/"
+     *                                 xmlns:custom="http://ez.no/namespaces/ezpublish3/custom/">';
+     *
+     *     $attributeList = array( 'name'              => 'Name ' . $now,
+     *                             'short_name'        => 'Short name ' . $now,
+     *                             'short_description' => $xmlDeclaration . '<paragraph>Short description '. $now . '</paragraph></section>',
+     *                             'description'       => $xmlDeclaration . '<paragraph>Description '. $now . '</paragraph></section>',
+     *                             'show_children'     => false);
+     *
+     *     $params = array();
+     *     $params['attributes'] = $attributeList;
+     *     // $params['remote_id'] = $now;
+     *     // $params['section_id'] = 3;
+     *     // $params['language']  = 'ger-DE';
+     *
+     *     $result = eZContentFunctions::updateAndPublishObject( $contentObject, $params );
+     *
+     *     if( $result )
+     *         print( 'Update OK' );
+     *     else
+     *         print( 'Failed' );
+     * }
+     * ?>
+     * </code>
+     * @param eZContentObject an eZContentObject object
+     * @param array an array with the attributes to update
+     * @static
+     * @return bool true if the object has been successfully updated, false otherwise
+     */
+    public static function updateAndPublishObject( eZContentObject $object, $params )
+    {
+        if( !array_key_exists( 'attributes', $params ) and !is_array( $params['attributes'] ) and count( $params['attributes'] ) > 0 )
+        {
+            eZDebug::writeError( 'No attributes specified for object' . $object->attribute( 'id' ),
+                                 'eZContentFunctions::updateAndPublishObject' );
+            return false;
+        }
+
+        $storageDir   = '';
+        $languageCode = false;
+        $mustStore    = false;
+
+        if ( array_key_exists( 'remote_id', $params ) )
+        {
+            $object->setAttribute( 'remote_id', $params['remote_id'] );
+            $mustStore = true;
+        }
+
+        if ( array_key_exists( 'section_id', $params ) )
+        {
+            $object->setAttribute( 'section_id', $params['section_id'] );
+            $mustStore = true;
+        }
+
+        if( $mustStore )
+            $object->store();
+
+        if( array_key_exists( 'storage_dir', $params ) )
+            $storageDir = $params['storage_dir'];
+
+        if( array_key_exists( 'language', $params ) and $params['language'] != false )
+        {
+            $languageCode = $params['language'];
+        }
+        else
+        {
+            $initialLanguageID = $object->attribute( 'initial_language_id' );
+            $language = eZContentLanguage::fetch( $initialLanguageID );
+            $languageCode = $language->attribute( 'locale' );
+        }
+
+        $db = eZDB::instance();
+        $db->begin();
+
+        $newVersion = $object->createNewVersion( false, true, $languageCode );
+
+        if( !$newVersion instanceof eZContentObjectVersion )
+        {
+            eZDebug::writeError( 'Unable to create a new version for object ' . $object->attribute( 'id' ),
+                                 'eZContentFunctions::updateAndPublishObject' );
+
+            $db->rollback();
+
+            return false;
+        }
+
+        $newVersion->setAttribute( 'modified', time() );
+        $newVersion->store();
+
+        $attributeList = $newVersion->attribute( 'contentobject_attributes' );
+
+        $attributesData = $params['attributes'];
+
+        foreach( $attributeList as $attribute )
+        {
+            $attributeIdentifier = $attribute->attribute( 'contentclass_attribute_identifier' );
+            if ( array_key_exists( $attributeIdentifier, $attributesData ) )
+            {
+                $dataString = $attributesData[$attributeIdentifier];
+                switch ( $datatypeString = $attribute->attribute( 'data_type_string' ) )
+                {
+                    case 'ezimage':
+                    case 'ezbinaryfile':
+                    case 'ezmedia':
+                    {
+                        $dataString = $storageDir . $dataString;
+                        break;
+                    }
+                    default:
+                }
+
+                $attribute->fromString( $dataString );
+                $attribute->store();
+            }
+        }
+
+        $db->commit();
+
+        $operationResult = eZOperationHandler::execute( 'content', 'publish', array( 'object_id' => $newVersion->attribute( 'contentobject_id' ),
+                                                                                     'version'   => $newVersion->attribute( 'version' ) ) );
+
+        if( $operationResult['status'] == eZModuleOperationInfo::STATUS_CONTINUE )
+            return true;
+
+        return false;
+    }
 }
 
 ?>
\ No newline at end of file