Code formatting improved and some bugfixng

location.php

@@ -1,70 +1,46 @@
 <?php
-	/*****************************************************************************
-	IP Reg, a PHP/MySQL IPAM tool
-	Copyright (C) 2007-2009 Wietse Warendorff
-	
-	This program is free software: you can redistribute it and/or modify
-	it under the terms of the GNU General Public License as published by
-	the Free Software Foundation, either version 3 of the License, or
-	(at your option) any later version.
-	
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-	GNU General Public License for more details.
-	
-	You should have received a copy of the GNU General Public License
-	along with this program.  If not, see <http://www.gnu.org/licenses/>.
-	
-	For more information, visit http://sourceforge.net/projects/ipreg,
-	or contact me at wietsew@users.sourceforge.net
-	*****************************************************************************/
+/*****************************************************************************
+IP Reg, a PHP/MySQL IPAM tool
+Copyright (C) 2007-2009 Wietse Warendorff (up to v0.5)
+Copyright (C) 2011-2023 Thomas Hooge
 
-	// start page
-		// includes
-		include("includes.php");
+SPDX-License-Identifier: GPL-3.0-or-later
+*****************************************************************************/
+
+include("includes.php");
 		
-		// start output
-		include("header.php");
+include("header.php");
 		
-		// set language variables
-		$smarty->assign($lang);
+$query = "SELECT
+	location_id AS id,
+	location_name AS value,
+	location_parent AS parent_id
+FROM
+	location
+ORDER BY location_parent, location_sort, location_name";
 
-	// start location
-		// look for locations
-			// build query
-			$query = "SELECT
-					location_id AS id,
-					location_name AS value,
-					location_parent AS parent_id
-				FROM
-					location
-                                ORDER BY location_parent, location_sort, location_name";
+$locations = $db->db_select($query);
 
-			// run query
-			$locations = $db->db_select($query);
+// function for recursion
+function build_tree($parent_id, $level) {
+    global $locations;
+    $children = array();
+    foreach ($locations as $key => $location) {
+        if ($location['parent_id'] == $parent_id) {
+            unset($location['parent_id']);
+            $location['children'] = build_tree($location['id'], $level+1);
+            $location['level'] = $level;
+            $location['href'] = 'locationview.php?location_id=' . $location['id'];
+            $children[] = $location;
+        }
+    }
+    return $children;
+}
 
-            function build_tree($parent_id, $level) {
-                global $locations;
-                $children = array();
-                foreach ($locations as $key => $location) {
-                    if ($location['parent_id'] == $parent_id) {
-                        unset($location['parent_id']);
-                        $location['children'] = build_tree($location['id'], $level+1);
-                        $location['level'] = $level;
-                        $location['href'] = 'locationview.php?location_id=' . $location['id'];
-                        $children[] = $location;
-                    }
-                }
-                return $children;
-            }           
-            $tree = build_tree(0, 0);
-            $smarty->assign("locations", $tree);
+$tree = build_tree(0, 0);
+$smarty->assign("locations", $tree);
 
-	// end page
-		// output
-		$smarty->display("location.tpl");
+$smarty->display("location.tpl");
 
-		// footer
-		include("footer.php");
-?>
+include("footer.php");
+?>