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diff --git a/includes/settings/page.php b/includes/settings/page.php
index 6842ecf..8ca9d18 100644
--- a/includes/settings/page.php
+++ b/includes/settings/page.php
@@ -1,162 +1,162 @@
<?php
/**
* Settings: a settings page class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* @package Zed
* @subpackage Settings
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
require_once("setting.php");
/**
* This class maps the page XML element, from our Settings XML schema
*
* <page id="account" title="Account">
* <setting ...>
* ...
* </setting>
* <setting ...>
* ...
* </setting>
* <page>
*
* It provides method to print a form built from this page and to handle form.
*/
class SettingsPage {
/**
* The page ID
*
* This property maps the id attribute from the page XML tag
*
* @var string the page ID
*/
public $id;
/**
* The page's title
*
* This property maps the title attribute from the page XML tag
*
* @var string the page title
*/
public $title;
/**
* The settings
*
* This property is an array of Setting items and maps the <setting> tags
* @var Array
*/
public $settings = [];
/**
* Initializes a new instance of SettingsPage class
*
* @param string $id the page ID
*/
function __construct ($id) {
$this->id = $id;
}
/**
* Initializes a settings page from an SimpleXMLElement XML fragment
*
* @param SimpleXMLElement $xml the XML fragment
* @return SettingsPage the section instance
*/
static function from_xml ($xml) {
//Reads attributes
$id = '';
$title = '';
foreach ($xml->attributes() as $key => $value) {
switch ($key) {
case 'title':
case 'id':
$$key = (string)$value;
break;
default:
message_die(GENERAL_ERROR, "Unknown attribute: $key = \"$value\"", "Settings error");
}
}
//id attribute is mandatory
if (!$id) {
message_die(GENERAL_ERROR, "Section without id. Please add id='' in <section> tag", "Story error");
}
//Initializes new SettingsPage instance
$page = new SettingsPage($id);
$page->title = $title;
//Gets settings
if ($xml->setting) {
foreach ($xml->setting as $settingXml) {
$setting = Setting::from_xml($settingXml);
$page->settings[$setting->key] = $setting;
}
}
return $page;
}
/**
* Handles form reading $_POST array, set new settings values and saves.
*
* @param array $errors an array where the errors will be filled
* @return boolean true if there isn't error ; otherwise, false.
*/
function handle_form (array &$errors = []) : bool {
$objects = [];
$result = true;
//Sets new settings values
foreach ($this->settings as $setting) {
- $value = $_POST[$setting->key];
+ $value = $_POST[$setting->key] ?? "";
if ($setting->field == "password" && !$value) {
//We don't erase passwords if not set
continue;
}
//If the setting value is different of current one, we update it
$currentValue = $setting->get();
if ($setting->field == "checkbox" || $currentValue != $value) {
if (!$setting->set($value)) {
$errors[] = $setting->lastError ?? "An error have occurred in $setting->key field.";
$result = false;
}
if ($setting->object) {
$objects[] = $setting->object;
}
}
}
//Saves object (when the SETTINGS_SAVE_METHOD save method exists)
if (count($objects)) {
$objects = array_unique($objects);
foreach ($objects as $object) {
$object = $GLOBALS[$object];
if (method_exists($object, SETTINGS_SAVE_METHOD)) {
call_user_func([$object, SETTINGS_SAVE_METHOD]);
}
}
}
return $result;
}
}

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