Some notices avoided

main/inc/lib/main_api.lib.php

@@ -198,8 +198,8 @@ define('LOG_CONFIGURATION_SETTINGS_VARIABLE', 'settings_variable');
 ==============================================================================
 */
 
-// Including extensions to the main API works in two different ways:
-if (api_get_path(LIBRARY_PATH) == '/lib/') {
+// Including extensions to the main API works in two different ways: 
+if (api_get_path(LIBRARY_PATH) == '/lib/' || api_get_path(LIBRARY_PATH) == 'lib/') {
 	// when we are running the installer script.
 	require_once 'multibyte_string_functions.lib.php';
 } else {
@@ -359,7 +359,8 @@ function api_get_path($path_type) {
 		//by default we call the $_configuration['root_web'] we don't query to the DB
 		//$url_info= api_get_access_url(1);
 		//$root_web = $url_info['url'];
-		$root_web = $_configuration['root_web'];
+		if(isset($_configuration['root_web']))
+			$root_web = $_configuration['root_web'];
 	} else {
 		//we look into the DB the function api_get_access_url
 		//this funcion have a problem because we can't called to the Database:: functions
@@ -485,7 +486,8 @@ function api_get_path($path_type) {
 		case INCLUDE_PATH :
 			// Generated by main/inc/global.inc.php
 			// example: /var/www/dokeos/main/inc/
-			return str_replace('\\', '/', $GLOBALS['includePath']).'/';
+			if (isset($GLOBALS['includePath']))
+				return str_replace('\\', '/', $GLOBALS['includePath']).'/';
 			break;
 
 		case LIBRARY_PATH :