diff --git a/mod/data/locallib.php b/mod/data/locallib.php
index aa54b878310..df4d1c75f70 100644
--- a/mod/data/locallib.php
+++ b/mod/data/locallib.php
@@ -65,13 +65,6 @@ class data_portfolio_caller extends portfolio_module_caller_base {
      */
     public function __construct($callbackargs) {
         parent::__construct($callbackargs);
-        // set up the list of fields to export
-        $this->selectedfields = array();
-        foreach ($callbackargs as $key => $value) {
-            if (strpos($key, 'field_') === 0) {
-                $this->selectedfields[] = substr($key, 6);
-            }
-        }
     }
 
     /**
diff --git a/mod/glossary/locallib.php b/mod/glossary/locallib.php
index 904a0eed8ae..e3cb339d52d 100644
--- a/mod/glossary/locallib.php
+++ b/mod/glossary/locallib.php
@@ -224,6 +224,9 @@ class glossary_entry_portfolio_caller extends portfolio_module_caller_base {
     /** @var array Array that contains all aliases for the given glossary entry. */
     private array $aliases = [];
 
+    /** @var array categories. */
+    private array $categories = [];
+
     /*
      * @return array
      */
diff --git a/mod/lesson/tests/external/external_test.php b/mod/lesson/tests/external/external_test.php
index b933833dc05..056491c76c8 100644
--- a/mod/lesson/tests/external/external_test.php
+++ b/mod/lesson/tests/external/external_test.php
@@ -74,6 +74,36 @@ class testable_mod_lesson_external extends mod_lesson_external {
  */
 class external_test extends externallib_advanced_testcase {
 
+    /** @var \stdClass course record. */
+    protected \stdClass $course;
+
+    /** @var \stdClass */
+    protected \stdClass $lesson;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $page1;
+
+    /** @var \stdClass a fieldset object false or exception if error not found. */
+    protected $page2;
+
+    /** @var \core\context\module context instance. */
+    protected \core\context\module $context;
+
+    /** @var \stdClass */
+    protected \stdClass $cm;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $student;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $teacher;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $studentrole;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $teacherrole;
+
     /**
      * Set up for every test
      */
diff --git a/mod/lti/OAuth.php b/mod/lti/OAuth.php
index dde625452a3..762d236ae72 100644
--- a/mod/lti/OAuth.php
+++ b/mod/lti/OAuth.php
@@ -81,6 +81,9 @@ class OAuthConsumer {
     public $key;
     public $secret;
 
+    /** @var string|null callback URL. */
+    public ?string $callback_url;
+
     function __construct($key, $secret, $callback_url = null) {
         $this->key = $key;
         $this->secret = $secret;
diff --git a/mod/lti/classes/output/registration_upgrade_choice_page.php b/mod/lti/classes/output/registration_upgrade_choice_page.php
index 1e7e3a0f4d8..0232bc734f0 100644
--- a/mod/lti/classes/output/registration_upgrade_choice_page.php
+++ b/mod/lti/classes/output/registration_upgrade_choice_page.php
@@ -40,6 +40,12 @@ use stdClass;
  */
 class registration_upgrade_choice_page implements renderable, templatable {
 
+    /** @var array array of tools. */
+    protected array $tools = [];
+
+    /** @var string tool URL. */
+    protected string $startregurl;
+
     /**
      * Constructor
      *
diff --git a/mod/lti/classes/output/repost_crosssite_page.php b/mod/lti/classes/output/repost_crosssite_page.php
index 23fc2cc679d..151fe778819 100644
--- a/mod/lti/classes/output/repost_crosssite_page.php
+++ b/mod/lti/classes/output/repost_crosssite_page.php
@@ -48,6 +48,12 @@ use stdClass;
  */
 class repost_crosssite_page implements renderable, templatable {
 
+    /** @var array POST params. */
+    protected $params;
+
+    /** @var string URL to repost to. */
+    protected string $url;
+
     /**
      * Constructor
      *
diff --git a/mod/lti/mod_form.php b/mod/lti/mod_form.php
index c77f72d4f18..3984a97bbee 100644
--- a/mod/lti/mod_form.php
+++ b/mod/lti/mod_form.php
@@ -76,8 +76,6 @@ class mod_lti_mod_form extends moodleform_mod {
             $showtypes = !$typeid;
         }
 
-        $this->typeid = 0;
-
         $mform =& $this->_form;
 
         // Adding the "general" fieldset, where all the common settings are shown.
diff --git a/mod/lti/service/gradebookservices/tests/gradebookservices_test.php b/mod/lti/service/gradebookservices/tests/gradebookservices_test.php
index 50b5479dc96..62913bc0084 100644
--- a/mod/lti/service/gradebookservices/tests/gradebookservices_test.php
+++ b/mod/lti/service/gradebookservices/tests/gradebookservices_test.php
@@ -302,7 +302,7 @@ class gradebookservices_test extends \advanced_testcase {
         $this->assertEquals(!empty($subreviewurl), isset($lineitem->submissionReview));
         if ($subreviewurl) {
             if ($subreviewurl == 'DEFAULT') {
-                $this->assertFalse(isset($this->submissionReview->url));
+                $this->assertFalse(isset($lineitem->submissionReview->url));
             } else {
                 $this->assertEquals($subreviewurl, $lineitem->submissionReview->url);
             }
@@ -310,7 +310,7 @@ class gradebookservices_test extends \advanced_testcase {
                 $custom = $lineitem->submissionReview->custom;
                 $this->assertEquals($subreviewparams, join("\n", array_map(fn($k) => $k.'='.$custom[$k], array_keys($custom))));
             } else {
-                $this->assertFalse(isset($this->submissionReview->custom));
+                $this->assertFalse(isset($lineitem->submissionReview->custom));
             }
         }
 
diff --git a/mod/lti/tests/mod_lti_testcase.php b/mod/lti/tests/mod_lti_testcase.php
index ca7809defab..7d3a9af71b5 100644
--- a/mod/lti/tests/mod_lti_testcase.php
+++ b/mod/lti/tests/mod_lti_testcase.php
@@ -14,6 +14,8 @@
 // You should have received a copy of the GNU General Public License
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
+use core_external\external_api;
+
 defined('MOODLE_INTERNAL') || die();
 
 global $CFG;
diff --git a/mod/scorm/tests/externallib_test.php b/mod/scorm/tests/externallib_test.php
index d0f618dad25..6713eb29539 100644
--- a/mod/scorm/tests/externallib_test.php
+++ b/mod/scorm/tests/externallib_test.php
@@ -38,6 +38,30 @@ require_once($CFG->dirroot . '/mod/scorm/lib.php');
  */
 class externallib_test extends externallib_advanced_testcase {
 
+    /** @var \stdClass course record. */
+    protected \stdClass $course;
+
+    /** @var \stdClass activity record. */
+    protected \stdClass $scorm;
+
+    /** @var \core\context\module context instance. */
+    protected \core\context\module $context;
+
+    /** @var \stdClass */
+    protected \stdClass $cm;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $student;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $teacher;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $studentrole;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $teacherrole;
+
     /**
      * Set up for every test
      */
diff --git a/mod/scorm/tests/lib_test.php b/mod/scorm/tests/lib_test.php
index 961f9a2d555..92453b73a37 100644
--- a/mod/scorm/tests/lib_test.php
+++ b/mod/scorm/tests/lib_test.php
@@ -45,6 +45,30 @@ require_once($CFG->dirroot . '/mod/scorm/lib.php');
  */
 class lib_test extends \advanced_testcase {
 
+    /** @var \stdClass course record. */
+    protected \stdClass $course;
+
+    /** @var \stdClass activity record. */
+    protected \stdClass $scorm;
+
+    /** @var \core\context\module context instance. */
+    protected \core\context\module $context;
+
+    /** @var \stdClass */
+    protected \stdClass $cm;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $student;
+
+    /** @var \stdClass user record. */
+    protected \stdClass $teacher;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $studentrole;
+
+    /** @var \stdClass a fieldset object, false or exception if error not found. */
+    protected \stdClass $teacherrole;
+
     /**
      * Set up for every test
      */