[svn r20075] Minor - Fixed warning division by zero when you add a user with picture - partial FS#3921

main/admin/user_add.php

@@ -1,4 +1,4 @@
-<?php // $Id: user_add.php 19952 2009-04-21 19:52:11Z cvargas1 $
+<?php // $Id: user_add.php 20075 2009-04-24 15:05:22Z cfasanando $
 /*
 ==============================================================================
 	Dokeos - elearning and course management software
@@ -387,7 +387,8 @@ if( $form->validate())
 			if (empty($thumbwidth) or $thumbwidth==0) {
 				$thumbwidth=150;
 			}
-			$new_height = round(($thumbwidth/$picture_infos[0])*$picture_infos[1]);
+			$divider = ($picture_infos[0] > 0)?$picture_infos[0]:1;
+			$new_height = round(($thumbwidth/$divider)*$picture_infos[1]);
 		
 			$temp->resize($thumbwidth,$new_height,0);
 			$type=$picture_infos[2];