fixed short array notation

dta/lib.php

@@ -49,9 +49,7 @@ function assignsubmission_dta_pluginfile(
     require_login($course, false, $cm);
     $itemid = (int)array_shift($args);
     $record = $DB->get_record('assign_submission',
-        [
-		    'id' => $itemid,
-        ],
+        ['id' => $itemid],
         'userid, assignment, groupid',
         MUST_EXIST);
     $userid = $record->userid;

dta/locallib.php

@@ -100,9 +100,7 @@ class assign_submission_dta extends assign_submission_plugin {
             self::COMPONENT_NAME,
             self::ASSIGNSUBMISSION_DTA_FILEAREA_TEST,
             0,
-            [
-			    'subdirs' => 0,
-            ]
+            ['subdirs' => 0]
         );
 
         $defaultvalues[self::ASSIGNSUBMISSION_DTA_DRAFT_FILEAREA_TEST] = $draftitemid;

dta/utils/backend.php

@@ -78,10 +78,10 @@ class DtaBackendUtils {
         $url = $backendaddress . "/v1/task";
 
         // Prepare params.
-        $params = array(
+        $params = [
             "taskFile" => $file,
-            "assignmentId" => $assignment->get_instance()->id
-        );
+            "assignmentId" => $assignment->get_instance()->id,
+        ];
 
         return self::post($url, $params);
     }

dta/utils/database.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/>.
 
+defined('MOODLE_INTERNAL') || die();
+
 class DbUtils {
 
     // Summary database table name.
@@ -38,7 +40,7 @@ class DbUtils {
         $summaryrecord = $DB->get_record(self::TABLE_SUMMARY, [
             "assignment_id" => $assignmentid,
             "submission_id" => $submissionid,
-        });
+        ]);
 
         $resultsarray = $DB->get_records(self::TABLE_RESULT, [
             "assignment_id" => $assignmentid,