Removal of %> for those with asp on.

[squirrelmail.git] / functions / prefs.php

diff --git a/functions/prefs.php b/functions/prefs.php
index e96147b921f6d4c1d2e8da5c1f55501fddd047b2..1b70943c8d1bb086bce7dede3088981431b7fffb 100644 (file)
--- a/functions/prefs.php
+++ b/functions/prefs.php
@@ -1,16 +1,16 @@
 <?php
+
    /**
     **  prefs.php
     **
+    **  Copyright (c) 1999-2001 The Squirrelmail Development Team
+    **  Licensed under the GNU GPL. For full terms see the file COPYING.
+    **
     **  This contains functions for manipulating user preferences
     **
     **  $Id$
     **/
 
-   if (defined('prefs_php'))
-      return;
-   define('prefs_php', true);
-
    global $prefs_are_cached, $prefs_cache;
    if (!session_is_registered('prefs_are_cached')) {
       $prefs_are_cached = false;
@@ -30,7 +30,7 @@
            exit;
        }
 
-       $file = fopen($filename, "r");
+       $file = fopen($filename, 'r');
 
        /** read in all the preferences **/
        $highlight_num = 0;
@@ -62,21 +62,22 @@
    
    
    /** returns the value for $string **/
-   function getPref($data_dir, $username, $string) {
+   function getPref($data_dir, $username, $string, $default = '') {
       global $prefs_cache;
-      
+
       cachePrefValues($data_dir, $username);
-      
+
       if (isset($prefs_cache[$string]))
           return $prefs_cache[$string];
-      return '';
+      else
+        return $default;
    }
 
 
    function savePrefValues($data_dir, $username) {
       global $prefs_cache;
       
-      $file = fopen($data_dir . $username . '.pref', "w");
+      $file = fopen($data_dir . $username . '.pref', 'w');
       foreach ($prefs_cache as $Key => $Value) {
           if (isset($Value)) {
               fwrite($file, $Key . '=' . $Value . "\n");
@@ -103,6 +104,12 @@
       global $prefs_cache;
       
       cachePrefValues($data_dir, $username);
+      if (isset($prefs_cache[$string]) && $prefs_cache[$string] == $set_to)
+         return;
+      if ($set_to === '') {
+         removePref($data_dir, $username, $string);
+        return;
+      }
       $prefs_cache[$string] = $set_to;
       savePrefValues($data_dir, $username);
    }
@@ -111,10 +118,10 @@
    /** This checks if there is a pref file, if there isn't, it will
        create it. **/
    function checkForPrefs($data_dir, $username) {
-      $filename = "$data_dir$username.pref";
+      $filename = $data_dir . $username . '.pref';
       if (!file_exists($filename)) {
-         if (!copy("$data_dir" . "default_pref", $filename)) {
-            echo _("Error opening ") ."$filename";
+         if (!copy($data_dir . 'default_pref', $filename)) {
+            echo _("Error opening ") . $filename;
             exit;
          }
       }
@@ -123,8 +130,7 @@
 
    /** Writes the Signature **/
    function setSig($data_dir, $username, $string) {
-      $filename = "$data_dir$username.sig";
-      $file = fopen($filename, "w");
+      $file = fopen($data_dir . $username . '.sig', 'w');
       fwrite($file, $string);
       fclose($file);
    }
@@ -133,10 +139,10 @@
 
    /** Gets the signature **/
    function getSig($data_dir, $username) {
-      $filename = "$data_dir$username.sig";
-      $sig = "";
+      $filename = $data_dir . $username . '.sig';
+      $sig = '';
       if (file_exists($filename)) {
-         $file = fopen($filename, "r");
+         $file = fopen($filename, 'r');
          while (!feof($file)) {
             $sig .= fgets($file, 1024);
          }