jfederico / moodle-mod_bigbluebuttonbn

locallib.php

Doc Comments +19 added lines, -14 removed lines

@@ -307,7 +307,7 @@ 
  * Helper function to retrieve imported recordings from the Moodle database.
  * The references are stored as events in bigbluebuttonbn_logs.
  *
- * @param string $courseid
+ * @param integer $courseid
  * @param string $bigbluebuttonbnid
  * @param bool   $subset
  *
@@ -335,7 +335,7 @@ 
 /**
  * Helper function to retrive the default config.xml file.
  *
- * @return string
+ * @return null|SimpleXMLElement
  */
 function bigbluebuttonbn_get_default_config_xml() {
     $xml = bigbluebuttonbn_wrap_xml_load_file(
@@ -417,7 +417,7 @@ 
  * @param object $a
  * @param object $b
  *
- * @return array
+ * @return integer
  */
 function bigbluebuttonbn_recording_build_sorter($a, $b) {
     global $CFG;
@@ -531,7 +531,7 @@ 
  * @param string $data
  * @param string $contenttype
  *
- * @return object
+ * @return null|SimpleXMLElement
  */
 function bigbluebuttonbn_wrap_xml_load_file($url, $method = 'GET', $data = null, $contenttype = 'text/xml') {
     if (extension_loaded('curl')) {
@@ -572,7 +572,7 @@ 
  * @param string $data
  * @param string $contenttype
  *
- * @return object
+ * @return string
  */
 function bigbluebuttonbn_wrap_xml_load_file_curl_request($url, $method = 'GET', $data = null, $contenttype = 'text/xml') {
     $c = new curl();
@@ -945,7 +945,7 @@ 
  * @param integer $instance
  * @param integer $voicebridge
  *
- * @return string
+ * @return boolean
  */
 function bigbluebuttonbn_voicebridge_unique($instance, $voicebridge) {
     global $DB;
@@ -1293,7 +1293,7 @@ 
  * @param string $meetingid
  * @param string $configxml
  *
- * @return object
+ * @return null|SimpleXMLElement
  */
 function bigbluebuttonbn_set_config_xml($meetingid, $configxml) {
     $urldefaultconfig = \mod_bigbluebuttonbn\locallib\config::get('server_url') . 'api/setConfigXML?';
@@ -1347,7 +1347,7 @@ 
  * @param array $recording
  * @param array $tools
  *
- * @return array
+ * @return null|stdClass
  */
 function bigbluebuttonbn_get_recording_data_row($bbbsession, $recording, $tools = ['protect', 'publish', 'delete']) {
     if (!bigbluebuttonbn_include_recording_table_row($bbbsession, $recording)) {
@@ -1982,7 +1982,7 @@ 
  *
  * @param array $bbbsession
  * @param array $recording
- * @param object $rowdata
+ * @param stdClass $rowdata
  *
  * @return object
  */
@@ -2131,6 +2131,11 @@ 
 }
 
 
+/**
+ * @param boolean $type
+ * @param string $key
+ * @param string $subkey
+ */
 function bigbluebuttonbn_validate_completion_state($completioncriteria, $logs, $type, $key, $subkey=null) {
     if ($criteria) {
         if (!$logs) {
@@ -2204,7 +2209,7 @@ 
  *
  * @param array $bbbsession
  * @param array $recordings
- * @param array $tools
+ * @param string[] $tools
  *
  * @return array
  */
@@ -2285,7 +2290,7 @@ 
  * Helper function to define the sql used for gattering the bigbluebuttonbnids whose meetingids should be included
  * in the getRecordings request considering only those that belong to deleted activities.
  *
- * @param string $courseid
+ * @param integer $courseid
  * @param string $bigbluebuttonbnid
  * @param bool   $subset
  *
@@ -2309,7 +2314,7 @@ 
  * Helper function to define the sql used for gattering the bigbluebuttonbnids whose meetingids should be included
  * in the getRecordings request considering only those that belong to imported recordings.
  *
- * @param string $courseid
+ * @param integer $courseid
  * @param string $bigbluebuttonbnid
  * @param bool   $subset
  *
@@ -2332,7 +2337,7 @@ 
 /**
  * Helper function to get recordings and imported recordings together.
  *
- * @param string $courseid
+ * @param integer $courseid
  * @param string $bigbluebuttonbnid
  * @param bool   $subset
  * @param bool   $includedeleted
@@ -2350,7 +2355,7 @@ 
  * Helper function to retrieve recordings from the BigBlueButton. The references are stored as events
  * in bigbluebuttonbn_logs.
  *
- * @param string $courseid
+ * @param integer $courseid
  * @param string $bigbluebuttonbnid
  * @param bool   $subset
  * @param bool   $includedeleted

Spacing +79 added lines, -79 removed lines

@@ -32,7 +32,7 @@ 
 
 global $CFG;
 
-require_once(__DIR__ . '/lib.php');
+require_once(__DIR__.'/lib.php');
 
 /** @var BIGBLUEBUTTONBN_UPDATE_CACHE boolean set to true indicates that cache has to be updated */
 const BIGBLUEBUTTONBN_UPDATE_CACHE = true;
@@ -145,8 +145,8 @@ 
     $data = null;
     if (!is_null($pname) && !is_null($purl)) {
         $method = 'POST';
-        $data = "<?xml version='1.0' encoding='UTF-8'?><modules><module name='presentation'><document url='" .
-            $purl . "' /></module></modules>";
+        $data = "<?xml version='1.0' encoding='UTF-8'?><modules><module name='presentation'><document url='".
+            $purl."' /></module></modules>";
     }
     $xml = bigbluebuttonbn_wrap_xml_load_file($createmeetingurl, $method, $data);
     if ($xml) {
@@ -406,7 +406,7 @@ 
         if (is_object($value)) {
             $value = '';
         }
-        $metadataarray['meta_' . $key] = $value;
+        $metadataarray['meta_'.$key] = $value;
     }
     return $metadataarray;
 }
@@ -546,7 +546,7 @@ 
             return $xml;
         } catch (\Exception $e) {
             libxml_use_internal_errors($previous);
-            $error = 'Caught exception: ' . $e->getMessage();
+            $error = 'Caught exception: '.$e->getMessage();
             debugging($error, DEBUG_DEVELOPER);
             return null;
         }
@@ -557,7 +557,7 @@ 
         $response = simplexml_load_file($url, 'SimpleXMLElement', LIBXML_NOCDATA | LIBXML_NOBLANKS);
         return $response;
     } catch (\Exception $e) {
-        $error = 'Caught exception: ' . $e->getMessage();
+        $error = 'Caught exception: '.$e->getMessage();
         debugging($error, DEBUG_DEVELOPER);
         libxml_use_internal_errors($previous);
         return null;
@@ -583,8 +583,8 @@ 
         }
         $options = array();
         $options['CURLOPT_HTTPHEADER'] = array(
-            'Content-Type: ' . $contenttype,
-            'Content-Length: ' . strlen($data),
+            'Content-Type: '.$contenttype,
+            'Content-Length: '.strlen($data),
             'Content-Language: en-US',
         );
 
@@ -605,7 +605,7 @@ 
  * @return void
  */
 function bigbluebuttonbn_end_meeting_if_running($bigbluebuttonbn) {
-    $meetingid = $bigbluebuttonbn->meetingid . '-' . $bigbluebuttonbn->course . '-' . $bigbluebuttonbn->id;
+    $meetingid = $bigbluebuttonbn->meetingid.'-'.$bigbluebuttonbn->course.'-'.$bigbluebuttonbn->id;
     if (bigbluebuttonbn_is_meeting_running($meetingid)) {
         bigbluebuttonbn_end_meeting($meetingid, $bigbluebuttonbn->moderatorpass);
     }
@@ -625,9 +625,9 @@ 
     if ($userroles) {
         $where = '';
         foreach ($userroles as $userrole) {
-            $where .= (empty($where) ? ' WHERE' : ' OR') . ' id=' . $userrole->roleid;
+            $where .= (empty($where) ? ' WHERE' : ' OR').' id='.$userrole->roleid;
         }
-        $userroles = $DB->get_records_sql('SELECT * FROM {role}' . $where);
+        $userroles = $DB->get_records_sql('SELECT * FROM {role}'.$where);
     }
     return $userroles;
 }
@@ -952,9 +952,9 @@ 
     if ($voicebridge == 0) {
         return true;
     }
-    $select = 'voicebridge = ' . $voicebridge;
+    $select = 'voicebridge = '.$voicebridge;
     if ($instance != 0) {
-        $select .= ' AND id <>' . $instance;
+        $select .= ' AND id <>'.$instance;
     }
     if (!$DB->get_records_select('bigbluebuttonbn', $select)) {
         return true;
@@ -1090,7 +1090,7 @@ 
 function bigbluebuttonbn_generate_nonce() {
     $mt = microtime();
     $rand = mt_rand();
-    return md5($mt . $rand);
+    return md5($mt.$rand);
 }
 
 /**
@@ -1138,7 +1138,7 @@ 
         $params['other'] = $options['other'];
     }
     $event = call_user_func_array(
-        '\mod_bigbluebuttonbn\event\\' . $type . '::create',
+        '\mod_bigbluebuttonbn\event\\'.$type.'::create',
         array($params)
     );
     $event->add_record_snapshot('course_modules', $cm);
@@ -1296,7 +1296,7 @@ 
  * @return object
  */
 function bigbluebuttonbn_set_config_xml($meetingid, $configxml) {
-    $urldefaultconfig = \mod_bigbluebuttonbn\locallib\config::get('server_url') . 'api/setConfigXML?';
+    $urldefaultconfig = \mod_bigbluebuttonbn\locallib\config::get('server_url').'api/setConfigXML?';
     $configxmlparams = bigbluebuttonbn_set_config_xml_params($meetingid, $configxml);
     $xml = bigbluebuttonbn_wrap_xml_load_file(
         $urldefaultconfig,
@@ -1316,9 +1316,9 @@ 
  * @return string
  */
 function bigbluebuttonbn_set_config_xml_params($meetingid, $configxml) {
-    $params = 'configXML=' . urlencode($configxml) . '&meetingID=' . urlencode($meetingid);
+    $params = 'configXML='.urlencode($configxml).'&meetingID='.urlencode($meetingid);
     $sharedsecret = \mod_bigbluebuttonbn\locallib\config::get('shared_secret');
-    $configxmlparams = $params . '&checksum=' . sha1('setConfigXML' . $params . $sharedsecret);
+    $configxmlparams = $params.'&checksum='.sha1('setConfigXML'.$params.$sharedsecret);
     return $configxmlparams;
 }
 
@@ -1426,7 +1426,7 @@ 
     global $USER;
     $starttime = $starttime - ($starttime % 1000);
     // Set formatted date.
-    $dateformat = get_string('strftimerecentfull', 'langconfig') . ' %Z';
+    $dateformat = get_string('strftimerecentfull', 'langconfig').' %Z';
     return userdate($starttime / 1000, $dateformat, usertimezone($USER->timezone));
 }
 
@@ -1474,11 +1474,11 @@ 
         $actionbar .= bigbluebuttonbn_actionbar_render_button($recording, $buttonpayload);
     }
     $head = html_writer::start_tag('div', array(
-        'id' => 'recording-actionbar-' . $recording['recordID'],
+        'id' => 'recording-actionbar-'.$recording['recordID'],
         'data-recordingid' => $recording['recordID'],
         'data-meetingid' => $recording['meetingID']));
     $tail = html_writer::end_tag('div');
-    return $head . $actionbar . $tail;
+    return $head.$actionbar.$tail;
 }
 
 /**
@@ -1542,7 +1542,7 @@ 
  * @return string
  */
 function bigbluebuttonbn_get_recording_data_row_preview($recording) {
-    $options = array('id' => 'preview-' . $recording['recordID']);
+    $options = array('id' => 'preview-'.$recording['recordID']);
     if ($recording['published'] === 'false') {
         $options['hidden'] = 'hidden';
     }
@@ -1574,7 +1574,7 @@ 
         $recordingpreview .= html_writer::start_tag('div', array('class' => ''));
         $recordingpreview .= html_writer::empty_tag(
             'img',
-            array('src' => trim($image['url']) . '?' . time(), 'class' => 'recording-thumbnail pull-left')
+            array('src' => trim($image['url']).'?'.time(), 'class' => 'recording-thumbnail pull-left')
         );
         $recordingpreview .= html_writer::end_tag('div');
     }
@@ -1609,7 +1609,7 @@ 
     if ($recording['published'] === 'false') {
         $visibility = 'hidden ';
     }
-    $id = 'playbacks-' . $recording['recordID'];
+    $id = 'playbacks-'.$recording['recordID'];
     $recordingtypes = html_writer::start_tag('div', array('id' => $id, 'data-imported' => $dataimported,
         'data-meetingid' => $recording['meetingID'], 'data-recordingid' => $recording['recordID'],
         'title' => $title, $visibility => $visibility));
@@ -1634,14 +1634,14 @@ 
     if (!bigbluebuttonbn_include_recording_data_row_type($recording, $bbbsession, $playback)) {
         return '';
     }
-    $text = get_string('view_recording_format_' . $playback['type'], 'bigbluebuttonbn');
-    $href = $CFG->wwwroot . '/mod/bigbluebuttonbn/bbb_view.php?action=play&bn=' . $bbbsession['bigbluebuttonbn']->id .
-        '&mid=' . $recording['meetingID'] . '&rid=' . $recording['recordID'] . '&rtype=' . $playback['type'];
+    $text = get_string('view_recording_format_'.$playback['type'], 'bigbluebuttonbn');
+    $href = $CFG->wwwroot.'/mod/bigbluebuttonbn/bbb_view.php?action=play&bn='.$bbbsession['bigbluebuttonbn']->id.
+        '&mid='.$recording['meetingID'].'&rid='.$recording['recordID'].'&rtype='.$playback['type'];
     if (!isset($recording['imported']) || !isset($recording['protected']) || $recording['protected'] === 'false') {
-        $href .= '&href=' . urlencode(trim($playback['url']));
+        $href .= '&href='.urlencode(trim($playback['url']));
     }
     $linkattributes = array(
-        'id' => 'recording-play-' . $playback['type'] . '-' . $recording['recordID'],
+        'id' => 'recording-play-'.$playback['type'].'-'.$recording['recordID'],
         'class' => 'btn btn-sm btn-default',
         'onclick' => 'M.mod_bigbluebuttonbn.recordings.recordingPlay(this);',
         'data-action' => 'play',
@@ -1653,7 +1653,7 @@ 
         $linkattributes['title'] = get_string('view_recording_format_errror_unreachable', 'bigbluebuttonbn');
         unset($linkattributes['data-href']);
     }
-    return $OUTPUT->action_link('#', $text, null, $linkattributes) . '&#32;';
+    return $OUTPUT->action_link('#', $text, null, $linkattributes).'&#32;';
 }
 
 /**
@@ -1679,7 +1679,7 @@ 
     $validatedurls[$urlhost] = true;
     $curlinfo = bigbluebuttonbn_wrap_xml_load_file_curl_request($url, 'HEAD');
     if (!isset($curlinfo['http_code']) || $curlinfo['http_code'] != 200) {
-        $error = "Resources hosted by " . $urlhost . " are unreachable. Server responded with code " . $curlinfo['http_code'];
+        $error = "Resources hosted by ".$urlhost." are unreachable. Server responded with code ".$curlinfo['http_code'];
         debugging($error, DEBUG_DEVELOPER);
         $validatedurls[$urlhost] = false;
     }
@@ -1770,12 +1770,12 @@ 
  * @return string
  */
 function bigbluebuttonbn_get_recording_data_row_text($recording, $text, $source, $data) {
-    $htmltext = '<span>' . htmlentities($text) . '</span>';
+    $htmltext = '<span>'.htmlentities($text).'</span>';
     if (empty($data)) {
         return $htmltext;
     }
-    $target = $data['action'] . '-' . $data['target'];
-    $id = 'recording-' . $target . '-' . $data['recordingid'];
+    $target = $data['action'].'-'.$data['target'];
+    $id = 'recording-'.$target.'-'.$data['recordingid'];
     $attributes = array('id' => $id, 'class' => 'quickeditlink col-md-20',
         'data-recordingid' => $data['recordingid'], 'data-meetingid' => $data['meetingid'],
         'data-target' => $data['target'], 'data-source' => $source);
@@ -1783,7 +1783,7 @@ 
     $tail = html_writer::end_tag('div');
     $payload = array('action' => $data['action'], 'tag' => $data['tag'], 'target' => $data['target']);
     $htmllink = bigbluebuttonbn_actionbar_render_button($recording, $payload);
-    return $head . $htmltext . $htmllink . $tail;
+    return $head.$htmltext.$htmllink.$tail;
 }
 
 /**
@@ -1801,10 +1801,10 @@ 
     }
     $target = $data['action'];
     if (isset($data['target'])) {
-        $target .= '-' . $data['target'];
+        $target .= '-'.$data['target'];
     }
-    $id = 'recording-' . $target . '-' . $recording['recordID'];
-    $onclick = 'M.mod_bigbluebuttonbn.recordings.recording' . ucfirst($data['action']) . '(this);';
+    $id = 'recording-'.$target.'-'.$recording['recordID'];
+    $onclick = 'M.mod_bigbluebuttonbn.recordings.recording'.ucfirst($data['action']).'(this);';
     if ((boolean) \mod_bigbluebuttonbn\locallib\config::get('recording_icons_enabled')) {
         // With icon for $manageaction.
         $iconattributes = array('id' => $id, 'class' => 'iconsmall');
@@ -1819,13 +1819,13 @@ 
             );
         }
         if (isset($data['disabled'])) {
-            $iconattributes['class'] .= ' fa-' . $data['disabled'];
+            $iconattributes['class'] .= ' fa-'.$data['disabled'];
             $linkattributes['class'] = 'disabled';
             unset($linkattributes['onclick']);
         }
         $icon = new pix_icon(
-            'i/' . $data['tag'],
-            get_string('view_recording_list_actionbar_' . $data['action'], 'bigbluebuttonbn'),
+            'i/'.$data['tag'],
+            get_string('view_recording_list_actionbar_'.$data['action'], 'bigbluebuttonbn'),
             'moodle',
             $iconattributes
         );
@@ -1923,7 +1923,7 @@ 
     if ($bbbsession['managerecordings']) {
         $table->head[] = get_string('view_recording_actionbar', 'bigbluebuttonbn');
         $table->align[] = 'left';
-        $table->size[] = (count($tools) * 40) . 'px';
+        $table->size[] = (count($tools) * 40).'px';
     }
     // Get the groups of the user.
     $usergroups = groups_get_all_groups($bbbsession['course']->id, $bbbsession['userID']);
@@ -1988,7 +1988,7 @@ 
  */
 function bigbluebuttonbn_get_recording_table_row($bbbsession, $recording, $rowdata) {
     $row = new html_table_row();
-    $row->id = 'recording-tr-' . $recording['recordID'];
+    $row->id = 'recording-tr-'.$recording['recordID'];
     $row->attributes['data-imported'] = 'false';
     $texthead = '';
     $texttail = '';
@@ -2000,15 +2000,15 @@ 
     }
     $rowdata->date_formatted = str_replace(' ', '&nbsp;', $rowdata->date_formatted);
     $row->cells = array();
-    $row->cells[] = $texthead . $rowdata->recording . $texttail;
-    $row->cells[] = $texthead . $rowdata->meeting . $texttail;
+    $row->cells[] = $texthead.$rowdata->recording.$texttail;
+    $row->cells[] = $texthead.$rowdata->meeting.$texttail;
 
-    $row->cells[] = $texthead . $rowdata->activity . $texttail;
-    $row->cells[] = $texthead . $rowdata->description . $texttail;
+    $row->cells[] = $texthead.$rowdata->activity.$texttail;
+    $row->cells[] = $texthead.$rowdata->description.$texttail;
     if (bigbluebuttonbn_get_recording_data_preview_enabled($bbbsession)) {
         $row->cells[] = $rowdata->preview;
     }
-    $row->cells[] = $texthead . $rowdata->date_formatted . $texttail;
+    $row->cells[] = $texthead.$rowdata->date_formatted.$texttail;
     $row->cells[] = $rowdata->duration_formatted;
     if ($bbbsession['managerecordings']) {
         $row->cells[] = $rowdata->actionbar;
@@ -2099,7 +2099,7 @@ 
         // Enqueue it.
         \core\task\manager::queue_adhoc_task($task);
     } catch (\Exception $e) {
-        mtrace("Error while enqueuing completion_update_state task. " . (string) $e);
+        mtrace("Error while enqueuing completion_update_state task. ".(string) $e);
     }
 }
 
@@ -2131,7 +2131,7 @@ 
 }
 
 
-function bigbluebuttonbn_validate_completion_state($completioncriteria, $logs, $type, $key, $subkey=null) {
+function bigbluebuttonbn_validate_completion_state($completioncriteria, $logs, $type, $key, $subkey = null) {
     if ($criteria) {
         if (!$logs) {
             // As completion by some criteria was required, the activity hasn't been completed.
@@ -2292,17 +2292,17 @@ 
  * @return string containing the sql used for getting the target bigbluebuttonbn instances
  */
 function bigbluebuttonbn_get_recordings_deleted_sql_select($courseid = 0, $bigbluebuttonbnid = null, $subset = true) {
-    $sql = "log = '" . BIGBLUEBUTTONBN_LOG_EVENT_DELETE . "' AND meta like '%has_recordings%' AND meta like '%true%'";
+    $sql = "log = '".BIGBLUEBUTTONBN_LOG_EVENT_DELETE."' AND meta like '%has_recordings%' AND meta like '%true%'";
     if (empty($courseid)) {
         $courseid = 0;
     }
     if (empty($bigbluebuttonbnid)) {
-        return $sql . " AND courseid = {$courseid}";
+        return $sql." AND courseid = {$courseid}";
     }
     if ($subset) {
-        return $sql . " AND bigbluebuttonbnid = '{$bigbluebuttonbnid}'";
+        return $sql." AND bigbluebuttonbnid = '{$bigbluebuttonbnid}'";
     }
-    return $sql . " AND courseid = {$courseid} AND bigbluebuttonbnid <> '{$bigbluebuttonbnid}'";
+    return $sql." AND courseid = {$courseid} AND bigbluebuttonbnid <> '{$bigbluebuttonbnid}'";
 }
 
 /**
@@ -2316,17 +2316,17 @@ 
  * @return string containing the sql used for getting the target bigbluebuttonbn instances
  */
 function bigbluebuttonbn_get_recordings_imported_sql_select($courseid = 0, $bigbluebuttonbnid = null, $subset = true) {
-    $sql = "log = '" . BIGBLUEBUTTONBN_LOG_EVENT_IMPORT . "'";
+    $sql = "log = '".BIGBLUEBUTTONBN_LOG_EVENT_IMPORT."'";
     if (empty($courseid)) {
         $courseid = 0;
     }
     if (empty($bigbluebuttonbnid)) {
-        return $sql . " AND courseid = '{$courseid}'";
+        return $sql." AND courseid = '{$courseid}'";
     }
     if ($subset) {
-        return $sql . " AND bigbluebuttonbnid = '{$bigbluebuttonbnid}'";
+        return $sql." AND bigbluebuttonbnid = '{$bigbluebuttonbnid}'";
     }
-    return $sql . " AND courseid = '{$courseid}' AND bigbluebuttonbnid <> '{$bigbluebuttonbnid}'";
+    return $sql." AND courseid = '{$courseid}' AND bigbluebuttonbnid <> '{$bigbluebuttonbnid}'";
 }
 
 /**
@@ -2385,7 +2385,7 @@ 
     }
     // Prepare select for loading records based on existent bigbluebuttonbns.
     $sql = 'SELECT DISTINCT meetingid, bigbluebuttonbnid FROM {bigbluebuttonbn_logs} WHERE ';
-    $sql .= '(bigbluebuttonbnid=' . implode(' OR bigbluebuttonbnid=', array_keys($bigbluebuttonbns)) . ')';
+    $sql .= '(bigbluebuttonbnid='.implode(' OR bigbluebuttonbnid=', array_keys($bigbluebuttonbns)).')';
     // Include only Create events and exclude those with record not true.
     $sql .= ' AND log = ? AND meta LIKE ? AND meta LIKE ?';
     // Execute select for loading records based on existent bigbluebuttonbns.
@@ -2568,8 +2568,8 @@ 
 function bigbluebuttonbn_format_activity_time($time) {
     $activitytime = '';
     if ($time) {
-        $activitytime = calendar_day_representation($time) . ' ' .
-        get_string('mod_form_field_notification_msg_at', 'bigbluebuttonbn') . ' ' .
+        $activitytime = calendar_day_representation($time).' '.
+        get_string('mod_form_field_notification_msg_at', 'bigbluebuttonbn').' '.
         calendar_time_representation($time);
     }
     return $activitytime;
@@ -3118,16 +3118,16 @@ 
         return $output;
     }
     $output .= $OUTPUT->box_start(
-        'box boxalignleft adminerror alert alert-' . $type . ' alert-block fade in',
+        'box boxalignleft adminerror alert alert-'.$type.' alert-block fade in',
         'bigbluebuttonbn_view_general_warning'
-    ) . "\n";
-    $output .= '    ' . $message . "\n";
-    $output .= '  <div class="singlebutton pull-right">' . "\n";
+    )."\n";
+    $output .= '    '.$message."\n";
+    $output .= '  <div class="singlebutton pull-right">'."\n";
     if (!empty($href)) {
         $output .= bigbluebuttonbn_render_warning_button($href, $text, $class);
     }
-    $output .= '  </div>' . "\n";
-    $output .= $OUTPUT->box_end() . "\n";
+    $output .= '  </div>'."\n";
+    $output .= $OUTPUT->box_end()."\n";
     return $output;
 }
 
@@ -3151,11 +3151,11 @@ 
     if ($class == '') {
         $class = 'btn btn-secondary';
     }
-    $output = '  <form method="post" action="' . $href . '" class="form-inline">' . "\n";
-    $output .= '      <button type="submit" class="' . $class . '"' . "\n";
-    $output .= '          title="' . $title . '"' . "\n";
-    $output .= '          >' . $text . '</button>' . "\n";
-    $output .= '  </form>' . "\n";
+    $output = '  <form method="post" action="'.$href.'" class="form-inline">'."\n";
+    $output .= '      <button type="submit" class="'.$class.'"'."\n";
+    $output .= '          title="'.$title.'"'."\n";
+    $output .= '          >'.$text.'</button>'."\n";
+    $output .= '  </form>'."\n";
     return $output;
 }
 
@@ -3219,7 +3219,7 @@ 
 function bigbluebuttonbn_user_can_join_meeting($bigbluebuttonbn, $mid = null, $userid = null) {
     // By default, use a meetingid without groups.
     if (empty($mid)) {
-        $mid = $bigbluebuttonbn->meetingid . '-' . $bigbluebuttonbn->course . '-' . $bigbluebuttonbn->id;
+        $mid = $bigbluebuttonbn->meetingid.'-'.$bigbluebuttonbn->course.'-'.$bigbluebuttonbn->id;
     }
     // When meeting is running, all authorized users can join right in.
     if (bigbluebuttonbn_is_meeting_running($mid)) {
@@ -3288,7 +3288,7 @@ 
  * @return boolean
  */
 function bigbluebuttonbn_has_html5_client() {
-    $checkurl = \mod_bigbluebuttonbn\locallib\bigbluebutton::root() . "html5client/check";
+    $checkurl = \mod_bigbluebuttonbn\locallib\bigbluebutton::root()."html5client/check";
     $curlinfo = bigbluebuttonbn_wrap_xml_load_file_curl_request($checkurl, 'HEAD');
     return (isset($curlinfo['http_code']) && $curlinfo['http_code'] == 200);
 }
@@ -3316,7 +3316,7 @@ 
     $bbbsession['modPW'] = $bbbsession['bigbluebuttonbn']->moderatorpass;
     $bbbsession['viewerPW'] = $bbbsession['bigbluebuttonbn']->viewerpass;
     // Database info related to the activity.
-    $bbbsession['meetingid'] = $bbbsession['bigbluebuttonbn']->meetingid . '-' . $bbbsession['course']->id . '-' .
+    $bbbsession['meetingid'] = $bbbsession['bigbluebuttonbn']->meetingid.'-'.$bbbsession['course']->id.'-'.
     $bbbsession['bigbluebuttonbn']->id;
     $bbbsession['meetingname'] = $bbbsession['bigbluebuttonbn']->name;
     $bbbsession['meetingdescription'] = $bbbsession['bigbluebuttonbn']->intro;
@@ -3348,12 +3348,12 @@ 
     if ($bbbsession['bigbluebuttonbn']->record) {
         // Check if is enable record all from start.
         if ($bbbsession['recordallfromstart']) {
-            $bbbsession['welcome'] .= '<br><br>' . get_string(
+            $bbbsession['welcome'] .= '<br><br>'.get_string(
                 'bbbrecordallfromstartwarning',
                 'bigbluebuttonbn'
             );
         } else {
-            $bbbsession['welcome'] .= '<br><br>' . get_string('bbbrecordwarning', 'bigbluebuttonbn');
+            $bbbsession['welcome'] .= '<br><br>'.get_string('bbbrecordwarning', 'bigbluebuttonbn');
         }
     }
     $bbbsession['openingtime'] = $bbbsession['bigbluebuttonbn']->openingtime;
@@ -3368,7 +3368,7 @@ 
     $bbbsession['originServerName'] = $parsedurl['host'];
     $bbbsession['originServerUrl'] = $CFG->wwwroot;
     $bbbsession['originServerCommonName'] = '';
-    $bbbsession['originTag'] = 'moodle-mod_bigbluebuttonbn (' . get_config('mod_bigbluebuttonbn', 'version') . ')';
+    $bbbsession['originTag'] = 'moodle-mod_bigbluebuttonbn ('.get_config('mod_bigbluebuttonbn', 'version').')';
     $bbbsession['bnserver'] = bigbluebuttonbn_is_bn_server();
     // Setting for clienttype, assign flash if not enabled, or default if not editable.
     $bbbsession['clienttype'] = BIGBLUEBUTTON_CLIENTTYPE_FLASH;
@@ -3475,7 +3475,7 @@ 
     if ((boolean) \mod_bigbluebuttonbn\locallib\config::get('recordingstatus_enabled')) {
         $metadata["bn-recording-status"] = json_encode(
             array(
-                'email' => array('"' . fullname($USER) . '" <' . $USER->email . '>'),
+                'email' => array('"'.fullname($USER).'" <'.$USER->email.'>'),
                 'context' => $bbbsession['bigbluebuttonbnURL'],
             )
         );