diff --git a/admin/presets/classes/local/setting/adminpresets_admin_setting_configselect.php b/admin/presets/classes/local/setting/adminpresets_admin_setting_configselect.php
index 2d3396833ae..d8a9109fa60 100644
--- a/admin/presets/classes/local/setting/adminpresets_admin_setting_configselect.php
+++ b/admin/presets/classes/local/setting/adminpresets_admin_setting_configselect.php
@@ -34,7 +34,7 @@ class adminpresets_admin_setting_configselect extends adminpresets_setting {
      */
     protected function set_value($value) {
         // When we intantiate the class we need the choices.
-        if (empty($this->settindata->choices) && method_exists($this->settingdata, 'load_choices')) {
+        if (empty($this->settingdata->choices) && method_exists($this->settingdata, 'load_choices')) {
             $this->settingdata->load_choices();
         }
 
diff --git a/admin/presets/classes/local/setting/adminpresets_setting.php b/admin/presets/classes/local/setting/adminpresets_setting.php
index aca5bb8b118..92103872603 100644
--- a/admin/presets/classes/local/setting/adminpresets_setting.php
+++ b/admin/presets/classes/local/setting/adminpresets_setting.php
@@ -68,6 +68,9 @@ class adminpresets_setting {
      */
     protected $attributesvalues;
 
+    /** @var array To store the behaviors. */
+    protected array $behaviors = [];
+
     /**
      * Stores the setting data and the selected value
      *
diff --git a/admin/tool/brickfield/classes/area_base.php b/admin/tool/brickfield/classes/area_base.php
index 75a8f5cf1f8..1f2eea63d61 100644
--- a/admin/tool/brickfield/classes/area_base.php
+++ b/admin/tool/brickfield/classes/area_base.php
@@ -86,6 +86,15 @@ abstract class area_base {
      */
     const TYPE_FILE = 1;
 
+    /**  @var string To store the filter. */
+    protected string $filter = '';
+
+    /** @var array To store the filter parameters. */
+    protected array $filterparams = [];
+
+    /** @var string To store the filter field name. */
+    protected $filterfieldname;
+
     /**
      * Return the name for the specified checkgroup value, or 'unknown' if no valid name for the value. Preferably, use this rather
      * than direct access to CHECKGROUP_NAMES, since it checks value boundaries.
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_guideline.php b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_guideline.php
index 4e97ac19be3..7cbdd1ebe11 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_guideline.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_guideline.php
@@ -45,6 +45,9 @@ class brickfield_accessibility_guideline {
     /** @var array An array of all the severity levels for every test */
     public $severity = [];
 
+    /** @var array To store all the tests. */
+    public array $tests = [];
+
     /**
      * The class constructor.
      * @param object $dom The current DOMDocument object
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_report_item.php b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_report_item.php
index 7f67912ee30..a245647f715 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_report_item.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_report_item.php
@@ -42,6 +42,9 @@ class brickfield_accessibility_report_item {
     /** @var object For issues with more than two possible states, this contains information about the state */
     public $state;
 
+    /** @var int the line number of the report item */
+    public $line;
+
     /**
      * Returns the line number of the report item. Unfortunately we can't use getLineNo
      * if we are before PHP 5.3, so if not we try to get the line number through a more
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_reporter.php b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_reporter.php
index f977a410b5f..ca6db0dacdd 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_reporter.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/brickfield_accessibility_reporter.php
@@ -47,6 +47,9 @@ class brickfield_accessibility_reporter {
     /** @var array An array of attributes to search for to turn into absolute paths rather than relative paths */
     public $absoluteattributes = ['src', 'href'];
 
+    /** @var object|null A guideline object. */
+    public ?object $guideline = null;
+
     /**
      * The class constructor
      * @param object $dom The current DOMDocument object
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_css.php b/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_css.php
index 3af93874352..f3691da4cf2 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_css.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_css.php
@@ -67,6 +67,12 @@ class brickfield_accessibility_css {
     /** @var array A list of all the elements which support deprecated styles such as 'background' or 'bgcolor' */
     public $deprecatedstyleelements = ['body', 'table', 'tr', 'td', 'th'];
 
+    /** @var array */
+    public array $path = [];
+
+    /** @var array To store additional CSS files to load. */
+    public array $css_files = [];
+
     /**
      * Class constructor. We are just building and importing variables here and then loading the CSS
      * @param \DOMDocument $dom The DOMDocument object
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_test.php b/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_test.php
index 1b2738cf6b3..df32c48ada3 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_test.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/common/brickfield_accessibility_test.php
@@ -57,6 +57,9 @@ class brickfield_accessibility_test {
     /** @var array An array of translatable strings */
     public $strings = array('en' => '');
 
+    /** @var mixed Any additional options passed by htmlchecker. */
+    public $options;
+
     /**
      * The class constructor. We pass items by reference so we can alter the DOM if necessary
      * @param object $dom The DOMDocument object
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_guideline.php b/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_guideline.php
index b390caf0897..0c36116bfae 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_guideline.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_guideline.php
@@ -28,11 +28,6 @@ use tool_brickfield\manager;
  */
 class brickfield_guideline extends brickfield_accessibility_guideline {
 
-    /**
-     * @var array An array of test class names which will be called for this guideline
-     */
-    public $tests = [];
-
     /**
      * brickfield_guideline constructor.
      * @param \DOMDocument $dom
diff --git a/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_textonly_guideline.php b/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_textonly_guideline.php
index 57936bdf71d..b2a4e753aea 100644
--- a/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_textonly_guideline.php
+++ b/admin/tool/brickfield/classes/local/htmlchecker/guidelines/brickfield_textonly_guideline.php
@@ -30,7 +30,7 @@ class brickfield_textonly_guideline extends brickfield_accessibility_guideline {
     /**
      * @var array An array of test class names which will be called for this guideline
      */
-    public $tests = array(
+    public array $tests = [
         'aSuspiciousLinkText',
         'cssTextHasContrast',
         'contentTooLong',
@@ -43,5 +43,5 @@ class brickfield_textonly_guideline extends brickfield_accessibility_guideline {
         'tableDataShouldHaveTh',
         'tableThShouldHaveScope',
         'tableTdShouldNotMerge',
-    );
+    ];
 }
diff --git a/admin/tool/cohortroles/classes/output/cohort_role_assignments_table.php b/admin/tool/cohortroles/classes/output/cohort_role_assignments_table.php
index 6172ef5e59f..e9b57e7db83 100644
--- a/admin/tool/cohortroles/classes/output/cohort_role_assignments_table.php
+++ b/admin/tool/cohortroles/classes/output/cohort_role_assignments_table.php
@@ -42,6 +42,12 @@ use table_sql;
  */
 class cohort_role_assignments_table extends table_sql {
 
+    /** @var context_system */
+    protected ?context_system $context = null;
+
+    /** @var array */
+    protected array $rolenames = [];
+
     /**
      * Sets up the table.
      *
diff --git a/admin/tool/cohortroles/tests/api_test.php b/admin/tool/cohortroles/tests/api_test.php
index 3e7a0523bfc..08ca2061e22 100644
--- a/admin/tool/cohortroles/tests/api_test.php
+++ b/admin/tool/cohortroles/tests/api_test.php
@@ -36,6 +36,9 @@ class api_test extends \advanced_testcase {
     /** @var \stdClass $role */
     protected $role = null;
 
+    /** @var int $roleid */
+    protected $roleid;
+
     /**
      * Setup function- we will create a course and add an assign instance to it.
      */
diff --git a/admin/tool/dataprivacy/classes/output/data_requests_table.php b/admin/tool/dataprivacy/classes/output/data_requests_table.php
index 929ad178f10..0d7492c1b3c 100644
--- a/admin/tool/dataprivacy/classes/output/data_requests_table.php
+++ b/admin/tool/dataprivacy/classes/output/data_requests_table.php
@@ -71,6 +71,9 @@ class data_requests_table extends table_sql {
     /** @var int[] The available options for the number of data request to be displayed per page. */
     protected $perpageoptions = [25, 50, 100, 250];
 
+    /** @var int[] The request creation method filters. */
+    protected array $creationmethods = [];
+
     /**
      * data_requests_table constructor.
      *
diff --git a/admin/tool/log/classes/helper/reader.php b/admin/tool/log/classes/helper/reader.php
index ae0a376c816..e8543e2e7fe 100644
--- a/admin/tool/log/classes/helper/reader.php
+++ b/admin/tool/log/classes/helper/reader.php
@@ -38,6 +38,13 @@ defined('MOODLE_INTERNAL') || die();
  * @property string $store short plugin name initialised in store trait.
  */
 trait reader {
+
+    /** @var string Frankenstyle plugin name initialised in store trait. */
+    protected $component;
+
+    /** @var string short plugin name initialised in store trait. */
+    protected $store;
+
     /**
      * Default get name api.
      *
diff --git a/admin/tool/lp/classes/output/course_competencies_page.php b/admin/tool/lp/classes/output/course_competencies_page.php
index 830cf8ad82b..21ee38048bc 100644
--- a/admin/tool/lp/classes/output/course_competencies_page.php
+++ b/admin/tool/lp/classes/output/course_competencies_page.php
@@ -75,6 +75,18 @@ class course_competencies_page implements renderable, templatable {
     /** @var string $manageurl manage url. */
     protected $manageurl = null;
 
+    /** @var bool */
+    protected bool $canconfigurecoursecompetencies = false;
+
+    /** @var bool */
+    protected bool $cangradecompetencies = false;
+
+    /** @var \core\persistent|null */
+    protected $coursecompetencysettings = null;
+
+    /** @var \tool_lp\course_competency_statistics|null */
+    protected $coursecompetencystatistics = null;
+
     /**
      * Construct this renderable.
      * @param int $courseid The course record for this page.
diff --git a/admin/tool/lp/classes/output/manage_competencies_page.php b/admin/tool/lp/classes/output/manage_competencies_page.php
index c4fbf0400dd..5541900be6f 100644
--- a/admin/tool/lp/classes/output/manage_competencies_page.php
+++ b/admin/tool/lp/classes/output/manage_competencies_page.php
@@ -65,6 +65,9 @@ class manage_competencies_page implements renderable, templatable {
     /** @var \core_competency\competency $competency The competency to show when the page loads. */
     protected $competency = null;
 
+    /** @var array */
+    protected array $navigation = [];
+
     /**
      * Construct this renderable.
      *
diff --git a/admin/tool/lp/classes/output/related_competencies.php b/admin/tool/lp/classes/output/related_competencies.php
index cd753fc9b85..04dae72a9a6 100644
--- a/admin/tool/lp/classes/output/related_competencies.php
+++ b/admin/tool/lp/classes/output/related_competencies.php
@@ -44,6 +44,12 @@ class related_competencies implements renderable, templatable {
     /** @var array Related competencies. */
     protected $relatedcompetencies = null;
 
+    /** @var \core_competency\competency|null */
+    protected $competency = null;
+
+    /** @var \context|null */
+    protected $context = null;
+
     /**
      * Construct this renderable.
      *
diff --git a/admin/tool/lp/classes/output/template_cohorts_page.php b/admin/tool/lp/classes/output/template_cohorts_page.php
index 0964778ffbd..495146cd587 100644
--- a/admin/tool/lp/classes/output/template_cohorts_page.php
+++ b/admin/tool/lp/classes/output/template_cohorts_page.php
@@ -34,6 +34,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class template_cohorts_page implements \renderable {
 
+    /** @var \core_competency\template|null */
+    protected $template = null;
+
+    /** @var \moodle_url|null */
+    protected $url = null;
+
+    /** @var template_cohorts_table|null */
+    public $table = null;
+
     /**
      * Constructor.
      * @param \core_competency\template $template
diff --git a/admin/tool/lp/classes/output/template_competencies_page.php b/admin/tool/lp/classes/output/template_competencies_page.php
index 2fb3558479e..8214e6ba2a7 100644
--- a/admin/tool/lp/classes/output/template_competencies_page.php
+++ b/admin/tool/lp/classes/output/template_competencies_page.php
@@ -68,6 +68,9 @@ class template_competencies_page implements renderable, templatable {
     /** @var template_statistics $templatestatistics The generated summary statistics for this template. */
     protected $templatestatistics = null;
 
+    /** @var bool true if the user has this capability. Otherwise false. */
+    protected bool $canmanagetemplatecompetencies = false;
+
     /**
      * Construct this renderable.
      *
diff --git a/admin/tool/lp/classes/output/template_plans_page.php b/admin/tool/lp/classes/output/template_plans_page.php
index 0042b7f0113..f6bd29108d2 100644
--- a/admin/tool/lp/classes/output/template_plans_page.php
+++ b/admin/tool/lp/classes/output/template_plans_page.php
@@ -34,6 +34,15 @@ defined('MOODLE_INTERNAL') || die();
  */
 class template_plans_page implements \renderable {
 
+    /** @var \core_competency\template|null */
+    protected $template = null;
+
+    /** @var \moodle_url|null */
+    protected $url = null;
+
+    /** @var template_plans_table|null */
+    public $table = null;
+
     /**
      * Constructor.
      * @param \core_competency\template $template
diff --git a/admin/tool/lpmigrate/classes/output/migrate_framework_results.php b/admin/tool/lpmigrate/classes/output/migrate_framework_results.php
index 5665bc6dca3..ffa4e168116 100644
--- a/admin/tool/lpmigrate/classes/output/migrate_framework_results.php
+++ b/admin/tool/lpmigrate/classes/output/migrate_framework_results.php
@@ -51,6 +51,14 @@ class migrate_framework_results implements renderable, templatable {
     protected $pagecontext;
     /** @var framework_processor The processor. */
     protected $processor;
+    /** @var array $unmappedfrom Competencies from unmapped. */
+    protected array $unmappedfrom = [];
+    /** @var array $unmappedto competencies to unmapped. */
+    protected array $unmappedto = [];
+    /* @var competency_framework|null $frameworkfrom Framework from. */
+    protected $frameworkfrom = null;
+    /* @var competency_framework|null $frameworkto Framework to. */
+    protected $frameworkto = null;
 
     /**
      * Construct.
diff --git a/admin/tool/lpmigrate/tests/processor_test.php b/admin/tool/lpmigrate/tests/processor_test.php
index fb2eda42cd4..5d1c427ba7b 100644
--- a/admin/tool/lpmigrate/tests/processor_test.php
+++ b/admin/tool/lpmigrate/tests/processor_test.php
@@ -28,6 +28,33 @@ use core_competency\course_module_competency;
  */
 class processor_test extends \advanced_testcase {
 
+    /** @var \core_competency\competency_framework|null $f1  */
+    protected $f1 = null;
+
+    /** @var \core_competency\competency_framework|null $f2 */
+    protected $f2 = null;
+
+    /** @var object|null $c1 course instance. */
+    protected ?object $c1 = null;
+
+    /** @var object|null $c2 course instance. */
+    protected ?object $c2 = null;
+
+    /** @var array $f1comps */
+    protected array $f1comps = [];
+
+    /** @var array $f2comps */
+    protected array $f2comps = [];
+
+    /** @var array $cms */
+    protected array $cms = [];
+
+    /** @var array $ccs */
+    protected array $ccs = [];
+
+    /** @var array $cmcs */
+    protected array $cmcs = [];
+
     /**
      * This sets up a few things, and assign class variables.
      *
diff --git a/admin/tool/policy/classes/output/page_viewalldoc.php b/admin/tool/policy/classes/output/page_viewalldoc.php
index 801aac0c516..9a2f2936b9b 100644
--- a/admin/tool/policy/classes/output/page_viewalldoc.php
+++ b/admin/tool/policy/classes/output/page_viewalldoc.php
@@ -51,6 +51,9 @@ class page_viewalldoc implements renderable, templatable {
     /** @var string Return url */
     private $returnurl;
 
+    /** @var array List current (active) policy versions. */
+    private array $policies = [];
+
     /**
      * Prepare the page for rendering.
      *
diff --git a/admin/tool/policy/classes/output/page_viewdoc.php b/admin/tool/policy/classes/output/page_viewdoc.php
index e5d7751983c..3cbe4f45d31 100644
--- a/admin/tool/policy/classes/output/page_viewdoc.php
+++ b/admin/tool/policy/classes/output/page_viewdoc.php
@@ -55,6 +55,15 @@ class page_viewdoc implements renderable, templatable {
     /** @var int User id who wants to view this page. */
     protected $behalfid = null;
 
+    /** @var bool View the policy as a part of the management UI. */
+    protected $manage;
+
+    /** @var int Position of the current policy with respect to the total of policy docs to display. */
+    protected $numpolicy = 0;
+
+    /** @var int Total number of policy documents which the user has to agree to. */
+    protected $totalpolicies = 0;
+
     /**
      * Prepare the page for rendering.
      *
diff --git a/admin/tool/policy/tests/externallib_test.php b/admin/tool/policy/tests/externallib_test.php
index b09a3b9a3e8..6d502866235 100644
--- a/admin/tool/policy/tests/externallib_test.php
+++ b/admin/tool/policy/tests/externallib_test.php
@@ -35,6 +35,24 @@ require_once($CFG->dirroot . '/user/externallib.php');
  */
 class externallib_test extends externallib_advanced_testcase {
 
+    /** @var \tool_policy\policy_version $policy1 Policy document 1. */
+    protected $policy1;
+
+    /** @var \tool_policy\policy_version $policy2 Policy document 2. */
+    protected $policy2;
+
+    /** @var \tool_policy\policy_version $policy3 Policy document 3. */
+    protected $policy3;
+
+    /** @var \stdClass $child user record. */
+    protected $child;
+
+    /** @var \stdClass $parent user record. */
+    protected $parent;
+
+    /** @var \stdClass $adult user record. */
+    protected $adult;
+
     /**
      * Setup function- we will create some policy docs.
      */
diff --git a/admin/tool/task/classes/check/adhocqueue.php b/admin/tool/task/classes/check/adhocqueue.php
index 85f98b8f502..2ec463da3ca 100644
--- a/admin/tool/task/classes/check/adhocqueue.php
+++ b/admin/tool/task/classes/check/adhocqueue.php
@@ -38,6 +38,12 @@ use core\check\result;
  */
 class adhocqueue extends check {
 
+    /** @var string adhocqueue id. */
+    protected string $id = '';
+
+    /** @var string adhocqueue name. */
+    protected string $name = '';
+
     /**
      * Constructor
      */
diff --git a/admin/tool/task/classes/check/cronrunning.php b/admin/tool/task/classes/check/cronrunning.php
index 7a37ae40fe9..171300e8046 100644
--- a/admin/tool/task/classes/check/cronrunning.php
+++ b/admin/tool/task/classes/check/cronrunning.php
@@ -37,6 +37,15 @@ use core\check\result;
  */
 class cronrunning extends check {
 
+    /** @var string adhocqueue id. */
+    protected string $id = '';
+
+    /** @var string adhocqueue name. */
+    protected string $name = '';
+
+    /** @var \action_link action link. */
+    protected $actionlink;
+
     /**
      * Constructor
      */
diff --git a/admin/tool/task/classes/check/longrunningtasks.php b/admin/tool/task/classes/check/longrunningtasks.php
index c64dae619a4..b4139ed4367 100644
--- a/admin/tool/task/classes/check/longrunningtasks.php
+++ b/admin/tool/task/classes/check/longrunningtasks.php
@@ -30,6 +30,12 @@ use core\task\manager;
  */
 class longrunningtasks extends check {
 
+    /** @var string adhocqueue id. */
+    protected string $id = '';
+
+    /** @var string adhocqueue name. */
+    protected string $name = '';
+
     /**
      * Constructor
      */
diff --git a/admin/tool/uploaduser/tests/cli_test.php b/admin/tool/uploaduser/tests/cli_test.php
index 22ec7eb0ea6..969ad7d4aae 100644
--- a/admin/tool/uploaduser/tests/cli_test.php
+++ b/admin/tool/uploaduser/tests/cli_test.php
@@ -123,7 +123,7 @@ class cli_test extends \advanced_testcase {
         set_config('passwordpolicy', 0);
         $this->setAdminUser();
 
-        $this->field1 = $this->getDataGenerator()->create_custom_profile_field([
+        $this->getDataGenerator()->create_custom_profile_field([
             'shortname' => 'superfield', 'name' => 'Super field',
             'datatype' => 'text', 'signup' => 1, 'visible' => 1, 'required' => 1, 'sortorder' => 1]);
 
diff --git a/admin/tool/usertours/classes/local/table/tour_list.php b/admin/tool/usertours/classes/local/table/tour_list.php
index 3611de820d9..0ea20a13dbc 100644
--- a/admin/tool/usertours/classes/local/table/tour_list.php
+++ b/admin/tool/usertours/classes/local/table/tour_list.php
@@ -38,6 +38,10 @@ require_once($CFG->libdir . '/tablelib.php');
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
 class tour_list extends \flexible_table {
+
+    /** @var int The count of all tours. */
+    protected int $tourcount = 0;
+
     /**
      * Construct the tour table.
      */
diff --git a/admin/tool/usertours/tests/role_filter_test.php b/admin/tool/usertours/tests/role_filter_test.php
index cc93cd50786..20ee1be9629 100644
--- a/admin/tool/usertours/tests/role_filter_test.php
+++ b/admin/tool/usertours/tests/role_filter_test.php
@@ -50,6 +50,9 @@ class role_filter_test extends \advanced_testcase {
      */
     protected $roles;
 
+    /** @var array Roles. */
+    protected array $testroles = [];
+
     public function setUp(): void {
         global $DB;
 
diff --git a/admin/tool/xmldb/actions/XMLDBAction.class.php b/admin/tool/xmldb/actions/XMLDBAction.class.php
index 19e4e9899ee..983c3ea0097 100644
--- a/admin/tool/xmldb/actions/XMLDBAction.class.php
+++ b/admin/tool/xmldb/actions/XMLDBAction.class.php
@@ -53,6 +53,12 @@ class XMLDBAction {
     /** @var bool Actions must be protected by sesskey mechanism*/
     protected $sesskey_protected;
 
+    /** @var mixed */
+    protected $subaction;
+
+    /** @var bool Set own core attributes. */
+    protected $can_subaction;
+
     /**
      * Constructor
      */
diff --git a/admin/tool/xmldb/actions/generate_all_documentation/generate_all_documentation.class.php b/admin/tool/xmldb/actions/generate_all_documentation/generate_all_documentation.class.php
index 20f3ab7f975..4586d727291 100644
--- a/admin/tool/xmldb/actions/generate_all_documentation/generate_all_documentation.class.php
+++ b/admin/tool/xmldb/actions/generate_all_documentation/generate_all_documentation.class.php
@@ -76,7 +76,7 @@ class generate_all_documentation extends XMLDBAction {
         $c .= '</p>';
         $this->output.=$c;
 
-        $this->docs = '';
+        $docs = '';
 
         if(class_exists('XSLTProcessor')) {
 
@@ -97,16 +97,16 @@ class generate_all_documentation extends XMLDBAction {
 
                 $dir = trim(dirname(str_replace($CFG->dirroot, '', $path)), '/');
                 $index .= '<a href="#file_' . str_replace('/', '_', $dir) . '">' . $dir . '</a>, ';
-                $this->docs .= '<div class="file" id="file_' . str_replace('/', '_', $dir) . '">';
-                $this->docs .= '<h2>' . $dir . '</h2>';
+                $docs .= '<div class="file" id="file_' . str_replace('/', '_', $dir) . '">';
+                $docs .= '<h2>' . $dir . '</h2>';
 
                 $doc->load($path . '/install.xml');
-                $this->docs.=$xsl->transformToXML($doc);
+                $docs .= $xsl->transformToXML($doc);
 
-                $this->docs .= '</div>';
+                $docs .= '</div>';
             }
 
-            $this->output .= '<div id="file_idex">' . trim($index, ' ,') . '</div>' . $this->docs;
+            $this->output .= '<div id="file_idex">' . trim($index, ' ,') . '</div>' . $docs;
 
             $this->output.=$b;
         } else {