Minor - fix php 7.0

main/inc/lib/events.lib.php

@@ -161,17 +161,17 @@ class Event
         } else {
             $userId = '0'; // no one
         }
-        $sql = "INSERT INTO $TABLETRACK_ACCESS  (user_ip, access_user_id, c_id, access_date, access_session_id) 
+        $sql = "INSERT INTO $TABLETRACK_ACCESS  (user_ip, access_user_id, c_id, access_date, access_session_id)
                 VALUES ('$ip', $userId, $courseId, '$now', $sessionId)";
 
         Database::query($sql);
 
         // added for "what's new" notification
         $sql = "UPDATE $TABLETRACK_LASTACCESS  SET access_date = '$now'
-                WHERE 
+                WHERE
                   access_user_id = $userId AND
-                  c_id = $courseId AND 
+                  c_id = $courseId AND
-                  access_tool IS NULL AND 
+                  access_tool IS NULL AND
                   access_session_id = $sessionId";
         $result = Database::query($sql);
 
@@ -258,10 +258,10 @@ class Event
         // "what's new" notification
         $sql = "UPDATE $tableLastAccess
                 SET access_date = '$reallyNow'
-                WHERE 
+                WHERE
-                    access_user_id = $userId AND 
+                    access_user_id = $userId AND
-                    c_id = $courseId AND 
+                    c_id = $courseId AND
-                    access_tool = '$tool' AND 
+                    access_tool = '$tool' AND
                     access_session_id = $sessionId";
         $result = Database::query($sql);
 
@@ -1000,7 +1000,7 @@ class Event
         $event_message_language = Database::escape_string($event_message_language);
 
         // Deletes then re-adds the users linked to the event
-        $sql = 'DELETE FROM '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).' 
+        $sql = 'DELETE FROM '.Database::get_main_table(TABLE_EVENT_TYPE_REL_USER).'
                 WHERE event_type_name = "'.$event_name.'"	';
         Database::query($sql);
 
@@ -1306,9 +1306,9 @@ class Event
 
         if (api_get_configuration_value('lp_minimum_time')) {
             $sql = "DELETE FROM track_e_access_complete
-                    WHERE 
+                    WHERE
-                        tool = 'learnpath' AND 
+                        tool = 'learnpath' AND
-                        c_id = $course_id AND 
+                        c_id = $course_id AND
                         tool_id = $lp_id AND
                         user_id = $user_id AND
                         session_id = $session_id
@@ -1326,7 +1326,7 @@ class Event
         Database::query($sql);
 
         $sql = "SELECT exe_id FROM $track_e_exercises
-                WHERE   
+                WHERE
                     exe_user_id = $user_id AND
                     session_id = $session_id AND
                     c_id = $course_id AND
@@ -1538,7 +1538,7 @@ class Event
         $list = [];
         while ($row = Database::fetch_array($res, 'ASSOC')) {
             $list[$row['exe_id']] = $row;
-            $sql = "SELECT * FROM $table_track_attempt 
+            $sql = "SELECT * FROM $table_track_attempt
                     WHERE exe_id = {$row['exe_id']}";
             $res_question = Database::query($sql);
             while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
@@ -1576,7 +1576,7 @@ class Event
 
             //Checking if this attempt was revised by a teacher
             $sql_revised = "SELECT exe_id FROM $table_track_attempt_recording
-                            WHERE author != '' AND exe_id = $exe_id 
+                            WHERE author != '' AND exe_id = $exe_id
                             LIMIT 1";
             $res_revised = Database::query($sql_revised);
             $row['attempt_revised'] = 0;
@@ -1585,7 +1585,7 @@ class Event
             }
             $list[$exe_id] = $row;
             $sql = "SELECT * FROM $table_track_attempt
-                    WHERE exe_id = $exe_id 
+                    WHERE exe_id = $exe_id
                     ORDER BY tms ASC";
             $res_question = Database::query($sql);
             while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
@@ -1690,7 +1690,7 @@ class Event
         $session_id = (int) $session_id;
         $user_id = (int) $user_id;
 
-        $sql = "SELECT count(*) as count 
+        $sql = "SELECT count(*) as count
                 FROM $table
                 WHERE status = ''  AND
                     exe_user_id = $user_id AND
@@ -1755,7 +1755,7 @@ class Event
         while ($row = Database::fetch_array($res, 'ASSOC')) {
             $list[$row['exe_id']] = $row;
             $exeId = $row['exe_id'];
-            $sql = "SELECT * FROM $table_track_attempt 
+            $sql = "SELECT * FROM $table_track_attempt
                     WHERE exe_id = $exeId";
             $res_question = Database::query($sql);
             while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
@@ -1906,7 +1906,7 @@ class Event
         while ($row = Database::fetch_array($res, 'ASSOC')) {
             $exeId = $row['exe_id'];
             $list[$exeId] = $row;
-            $sql = "SELECT * FROM $table_track_attempt 
+            $sql = "SELECT * FROM $table_track_attempt
                     WHERE exe_id = $exeId";
             $res_question = Database::query($sql);
             while ($row_q = Database::fetch_array($res_question, 'ASSOC')) {
@@ -1959,7 +1959,7 @@ class Event
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_ATTEMPT);
         $exe_id = (int) $exe_id;
         $question_id = (int) $question_id;
-        $sql = "SELECT teacher_comment 
+        $sql = "SELECT teacher_comment
                 FROM $table
                 WHERE
                     exe_id = $exe_id AND
@@ -2085,7 +2085,7 @@ class Event
         }
 
         $sql = "DELETE FROM $table
-                WHERE   
+                WHERE
                     hotspot_exe_id = $exeId AND
                     hotspot_user_id = $user_id AND
                     c_id = $courseId AND
@@ -2185,12 +2185,12 @@ class Event
         $userId = (int) $userId;
 
         $table = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
-        $sql = "SELECT course_access_id, logout_course_date 
+        $sql = "SELECT course_access_id, logout_course_date
-                FROM $table 
+                FROM $table
-                WHERE 
+                WHERE
                     c_id = $courseId AND
-                    session_id = $sessionId AND   
+                    session_id = $sessionId AND
-                    user_id = $userId                     
+                    user_id = $userId
                 ORDER BY login_course_date DESC
                 LIMIT 1";
 
@@ -2209,8 +2209,8 @@ class Event
                 $now - $logout < $maxSeconds
             ) {
                 $now = api_get_utc_datetime();
-                $sql = "UPDATE $table SET 
+                $sql = "UPDATE $table SET
-                            logout_course_date = '$now', 
+                            logout_course_date = '$now',
                             counter = counter + 1
                         WHERE course_access_id = $id";
                 Database::query($sql);
@@ -2271,20 +2271,20 @@ class Event
             $time = api_get_utc_datetime($diff);
             $sql = "SELECT course_access_id, logout_course_date
                     FROM $tableCourseAccess
-                    WHERE 
+                    WHERE
                         user_id = $userId AND
                         c_id = $courseId  AND
                         session_id = $sessionId AND
                         login_course_date > '$time'
-                    ORDER BY login_course_date DESC 
+                    ORDER BY login_course_date DESC
                     LIMIT 1";
             $result = Database::query($sql);
             $insert = false;
             if (Database::num_rows($result) > 0) {
                 $row = Database::fetch_array($result, 'ASSOC');
                 $courseAccessId = $row['course_access_id'];
-                $sql = "UPDATE $tableCourseAccess SET 
+                $sql = "UPDATE $tableCourseAccess SET
-                                logout_course_date = '$currentDate', 
+                                logout_course_date = '$currentDate',
                                 counter = counter + 1
                             WHERE course_access_id = $courseAccessId";
                 Database::query($sql);
@@ -2439,7 +2439,7 @@ class Event
         // format returned by SQL for a subtraction of two datetime values
         // @todo make sure this is portable between DBMSes
         if (preg_match('/:/', $virtualTime)) {
-            [$h, $m, $s] = preg_split('/:/', $virtualTime);
+            list($h, $m, $s) = preg_split('/:/', $virtualTime);
             $virtualTime = $h * 3600 + $m * 60 + $s;
         } else {
             $virtualTime *= 3600;
@@ -2464,7 +2464,7 @@ class Event
             // Found the latest connection
             $row = Database::fetch_row($result);
             $courseAccessId = $row[0];
-            $sql = "DELETE FROM $courseTrackingTable 
+            $sql = "DELETE FROM $courseTrackingTable
                     WHERE course_access_id = $courseAccessId";
             Database::query($sql);
         }