chamilo / chamilo-lms

plugin/bbb/cron.php

Spacing +9 added lines, -9 removed lines

@@ -1,16 +1,16 @@ 
 <?php
 
-require __DIR__ . '/../../vendor/autoload.php';
-if (file_exists(__DIR__ . '/config.vm.php')) {
+require __DIR__.'/../../vendor/autoload.php';
+if (file_exists(__DIR__.'/config.vm.php')) {
 
-    require_once dirname(__FILE__) . '/config.php';
+    require_once dirname(__FILE__).'/config.php';
 
-    require __DIR__ . '/lib/vm/AbstractVM.php';
-    require __DIR__ . '/lib/vm/VMInterface.php';
-    require __DIR__ . '/lib/vm/DigitalOceanVM.php';
-    require __DIR__ . '/lib/VM.php';
+    require __DIR__.'/lib/vm/AbstractVM.php';
+    require __DIR__.'/lib/vm/VMInterface.php';
+    require __DIR__.'/lib/vm/DigitalOceanVM.php';
+    require __DIR__.'/lib/VM.php';
 
-    $config = require __DIR__ . '/config.vm.php';
+    $config = require __DIR__.'/config.vm.php';
 
     $vm = new VM($config);
 
@@ -21,7 +21,7 @@ 
             if (empty($activeSessions)) {
                 $vm->runCron();
             } else {
-                echo "Can't run cron active sessions found: " . $activeSessions;
+                echo "Can't run cron active sessions found: ".$activeSessions;
             }
         }
     }

plugin/bbb/lib/bbb_api.php

Spacing +21 added lines, -21 removed lines

@@ -55,25 +55,25 @@ 
 	*/
 		// BASE CONFIGS - set these for your BBB server in config.php and they will
 		// simply flow in here via the constants:
-		$this->_securitySalt 		= CONFIG_SECURITY_SALT;
-		$this->_bbbServerBaseUrl 	= CONFIG_SERVER_BASE_URL;
+		$this->_securitySalt = CONFIG_SECURITY_SALT;
+		$this->_bbbServerBaseUrl = CONFIG_SERVER_BASE_URL;
 	}
 
-	private function _processXmlResponse($url){
+	private function _processXmlResponse($url) {
 	/*
 	A private utility method used by other public methods to process XML responses.
 	*/
 		if (extension_loaded('curl')) {
-			$ch = curl_init() or die ( curl_error($ch) );
+			$ch = curl_init() or die (curl_error($ch));
 			$timeout = 10;
-			curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false);
-			curl_setopt( $ch, CURLOPT_URL, $url );
-			curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1 );
-			curl_setopt( $ch, CURLOPT_CONNECTTIMEOUT, $timeout);
-			$data = curl_exec( $ch );
-			curl_close( $ch );
-
-			if($data)
+			curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+			curl_setopt($ch, CURLOPT_URL, $url);
+			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+			curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
+			$data = curl_exec($ch);
+			curl_close($ch);
+
+			if ($data)
 				return (new SimpleXMLElement($data));
 			else
 				return false;
@@ -137,10 +137,10 @@ 
 		'&duration='.urlencode($creationParams['duration']);
 		//'&meta_category='.urlencode($creationParams['meta_category']);
 		$welcomeMessage = $creationParams['welcomeMsg'];
-		if(trim($welcomeMessage))
+		if (trim($welcomeMessage))
 			$params .= '&welcome='.urlencode($welcomeMessage);
 		// Return the complete URL:
-		return ( $creationUrl.$params.'&checksum='.sha1("create".$params.$this->_securitySalt) );
+		return ($creationUrl.$params.'&checksum='.sha1("create".$params.$this->_securitySalt));
 	}
 
 	public function createMeetingWithXmlResponseArray($creationParams) {
@@ -165,7 +165,7 @@ 
 		$xml = $this->_processXmlResponse($this->getCreateMeetingURL($creationParams));
 
         if ($xml) {
-			if($xml->meetingID)
+			if ($xml->meetingID)
 				return array(
 					'returncode' => $xml->returncode,
 					'message' => $xml->message,
@@ -283,7 +283,7 @@ 
 		$meetingId = '1234'		-- REQUIRED - The unique id for the meeting
 		*/
 		$xml = $this->_processXmlResponse($this->getIsMeetingRunningUrl($meetingId));
-		if($xml) {
+		if ($xml) {
 			return array(
 				'returncode' => $xml->returncode,
 				'running' => $xml->running 	// -- Returns true/false.
@@ -310,7 +310,7 @@ 
 		and then handle the results that we get in the XML response.
 		*/
 		$xml = $this->_processXmlResponse($this->getGetMeetingsUrl());
-		if($xml) {
+		if ($xml) {
 			// If we don't get a success code, stop processing and return just the returncode:
 			if ($xml->returncode != 'SUCCESS') {
 				$result = array(
@@ -379,7 +379,7 @@ 
 		);
 		*/
 		$xml = $this->_processXmlResponse($this->getMeetingInfoUrl($infoParams));
-		if($xml) {
+		if ($xml) {
 			// If we don't get a success code or messageKey, find out why:
 			if (($xml->returncode != 'SUCCESS') || ($xml->messageKey == null)) {
 				$result = array(
@@ -454,7 +454,7 @@ 
 		probably be required in user code when 'recording' is set to true.
 		*/
 		$xml = $this->_processXmlResponse($this->getRecordingsUrl($recordingParams));
-		if($xml) {
+		if ($xml) {
 			// If we don't get a success code or messageKey, find out why:
 			if (($xml->returncode != 'SUCCESS') || ($xml->messageKey == null)) {
 				$result = array(
@@ -524,7 +524,7 @@ 
 		);
 		*/
 		$xml = $this->_processXmlResponse($this->getPublishRecordingsUrl($recordingParams));
-		if($xml) {
+		if ($xml) {
 			return array(
 				'returncode' => $xml->returncode,
 				'published' => $xml->published 	// -- Returns true/false.
@@ -557,7 +557,7 @@ 
 		*/
 
 		$xml = $this->_processXmlResponse($this->getDeleteRecordingsUrl($recordingParams));
-		if($xml) {
+		if ($xml) {
 			return array(
 				'returncode' => $xml->returncode,
 				'deleted' => $xml->deleted 	// -- Returns true/false.

plugin/bbb/lib/VM.php

Spacing +1 added lines, -1 removed lines

@@ -70,7 +70,7 @@
 
         foreach ($vmList as $vm) {
             if (isset($vm['enabled']) && $vm['enabled'] == true) {
-                $className = $vm['name'] . 'VM';
+                $className = $vm['name'].'VM';
 
                 return new $className($vm);
                 break;

plugin/bbb/lib/vm/DigitalOceanVM.php

Spacing +5 added lines, -5 removed lines

@@ -100,7 +100,7 @@ 
                         break;
                 }
             } else {
-                throw new \Exception(" Id " . $this->vmId . " doesn't exists.");
+                throw new \Exception(" Id ".$this->vmId." doesn't exists.");
             }
         } catch (Exception $e) {
             die($e->getMessage());
@@ -118,22 +118,22 @@ 
 
         $powerOff = $droplets->powerOff($this->vmId);
 
-        $this->addMessage('Power off droplet #' . $this->vmId);
+        $this->addMessage('Power off droplet #'.$this->vmId);
 
         $this->waitForEvent($powerOff->event_id);
 
-        $this->addMessage('Current status: ' . $dropletInfo->droplet->status);
+        $this->addMessage('Current status: '.$dropletInfo->droplet->status);
 
         $resizeDroplet = $droplets->resize(
             $this->vmId,
             array('size_id' => intval($sizeId))
         );
-        $this->addMessage('Resize droplet to size id: ' . $sizeId);
+        $this->addMessage('Resize droplet to size id: '.$sizeId);
         $this->waitForEvent($resizeDroplet->event_id);
 
         $powerOn = $droplets->powerOn($this->vmId);
         $this->waitForEvent($powerOn->event_id);
-        $this->addMessage('Power on droplet #' . $this->vmId);
+        $this->addMessage('Power on droplet #'.$this->vmId);
 
     }
 

plugin/dashboard/block_course/block_course.class.php

Spacing +14 added lines, -14 removed lines

@@ -63,19 +63,19 @@ 
         $content = $this->get_content_html();
         $html = '
 		            <div class="panel panel-default" id="intro">
-		                <div class="panel-heading">' . get_lang('CoursesInformation') . '
+		                <div class="panel-heading">' . get_lang('CoursesInformation').'
 		                    <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\'' . addslashes(
                 api_htmlentities(
                     get_lang('ConfirmYourChoice'),
                     ENT_QUOTES,
                     $charset
                 )
-            ) . '\')) return false;" href="index.php?action=disable_block&path=' . $this->path . '">
+            ).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
                 <em class="fa fa-times"></em>
                 </a></div>
 		                </div>
 		                <div class="panel-body">
-		                   ' . $content . '
+		                   ' . $content.'
 		                </div>
 		            </div>
 				';
@@ -93,17 +93,17 @@ 
     {
         $course_data = $this->get_course_information_data();
         //$content = '<div style="margin:10px;">';
-        $content = '<h4>' . get_lang(
+        $content = '<h4>'.get_lang(
                 'YourCourseList'
-            ) . '</h4>';
+            ).'</h4>';
         $data_table = null;
         if (!empty($course_data)) {
             $data_table .= '<table class="data_table" width:"95%">';
             $data_table .= '<tr>
-	    						<th>' . get_lang('CourseTitle') . '</th>
-	    						<th width="20%">' . get_lang('NbStudents') . '</th>
-	    						<th width="20%">' . get_lang('AvgTimeSpentInTheCourse') . '</th>
-	    						<th width="20%">' . get_lang('ThematicAdvance') . '</th>
+	    						<th>' . get_lang('CourseTitle').'</th>
+	    						<th width="20%">' . get_lang('NbStudents').'</th>
+	    						<th width="20%">' . get_lang('AvgTimeSpentInTheCourse').'</th>
+	    						<th width="20%">' . get_lang('ThematicAdvance').'</th>
 	    					</tr>';
             $i = 1;
             foreach ($course_data as $course) {
@@ -112,12 +112,12 @@ 
                 } else {
                     $class_tr = 'row_even';
                 }
-                $data_table .= '<tr class="' . $class_tr . '">';
+                $data_table .= '<tr class="'.$class_tr.'">';
                 if (!isset($course[2])) {
                     $course[2] = '0:00:00';
                 }
                 foreach ($course as $cell) {
-                    $data_table .= '<td align="right">' . $cell . '</td>';
+                    $data_table .= '<td align="right">'.$cell.'</td>';
                 }
                 $data_table .= '</tr>';
                 $i++;
@@ -128,7 +128,7 @@ 
         }
         $content .= $data_table;
         if (!empty($course_data)) {
-            $content .= '<div style="text-align:right;margin-top:10px;"><a href="' . api_get_path(WEB_CODE_PATH) . 'mySpace/course.php?follow">' . get_lang('SeeMore') . '</a></div>';
+            $content .= '<div style="text-align:right;margin-top:10px;"><a href="'.api_get_path(WEB_CODE_PATH).'mySpace/course.php?follow">'.get_lang('SeeMore').'</a></div>';
         }
         //$content .= '</div>';
 
@@ -163,7 +163,7 @@ 
 
             // students directly subscribed to the course
             $sql = "SELECT user_id FROM $tbl_course_user as course_rel_user
-                    WHERE course_rel_user.status=" . STUDENT . " AND course_rel_user.c_id='$courseId'";
+                    WHERE course_rel_user.status=".STUDENT." AND course_rel_user.c_id='$courseId'";
             $rs = Database::query($sql);
             $users = array();
             while ($row = Database::fetch_array($rs)) {
@@ -182,7 +182,7 @@ 
             );
 
             if (!empty($tematic_advance)) {
-                $tematic_advance_progress = '<a title="' . get_lang('GoToThematicAdvance') . '" href="' . api_get_path(WEB_CODE_PATH) . 'course_progress/index.php?cidReq=' . $course_code . '&action=thematic_details">' . $tematic_advance . '%</a>';
+                $tematic_advance_progress = '<a title="'.get_lang('GoToThematicAdvance').'" href="'.api_get_path(WEB_CODE_PATH).'course_progress/index.php?cidReq='.$course_code.'&action=thematic_details">'.$tematic_advance.'%</a>';
             } else {
                 $tematic_advance_progress = '0%';
             }

plugin/dashboard/block_student_graph/block_student_graph.class.php

Spacing +12 added lines, -12 removed lines

@@ -29,15 +29,15 @@ 
 	/**
 	 * Constructor
 	 */
-    public function __construct ($user_id)
+    public function __construct($user_id)
     {
-    	$this->user_id  = $user_id;
-    	$this->path 	= 'block_student_graph';
+    	$this->user_id = $user_id;
+    	$this->path = 'block_student_graph';
     	if ($this->is_block_visible_for_user($user_id)) {
     		/*if (api_is_platform_admin()) {
 	    		$this->students = UserManager::get_user_list(array('status' => STUDENT));
 	    	} else if (api_is_drh()) {*/
-	    		$this->students =  UserManager::get_users_followed_by_drh($user_id, STUDENT);
+	    		$this->students = UserManager::get_users_followed_by_drh($user_id, STUDENT);
 	    	//}
     	}
     }
@@ -75,7 +75,7 @@ 
 		$html = '<div class="panel panel-default" id="intro">
 	                <div class="panel-heading">
 	                    '.get_lang('StudentsInformationsGraph').'
-	                    <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
+	                    <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
 	                    <em class="fa fa-times"></em>
 	                    </a></div>
 	                </div>
@@ -155,9 +155,9 @@ 
             $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
             $chartHash = $myCache->getHash($dataSet);
             if ($myCache->isInCache($chartHash)) {
-                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                 $myCache->saveFromCache($chartHash, $imgPath);
-                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
             } else {
 
                 $maxCounts = max(count($usernames), count($faults));
@@ -182,7 +182,7 @@ 
                 /* Set the default font */
                 $myPicture->setFontProperties(
                     array(
-                        'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                        'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                         'FontSize' => 10
                     )
                 );
@@ -228,13 +228,13 @@ 
 
                 /* Write and save into cache */
                 $myCache->writeToCache($chartHash, $myPicture);
-                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                 $myCache->saveFromCache($chartHash, $imgPath);
-                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
             }
-            $graph = '<img src="' . $imgPath . '" >';
+            $graph = '<img src="'.$imgPath.'" >';
 		} else {
-			$graph = '<p>'.api_convert_encoding(get_lang('GraphicNotAvailable'),'UTF-8').'</p>';
+			$graph = '<p>'.api_convert_encoding(get_lang('GraphicNotAvailable'), 'UTF-8').'</p>';
 		}
 
  		return $graph;

plugin/dashboard/block_teacher/block_teacher.class.php

Spacing +13 added lines, -13 removed lines

@@ -27,10 +27,10 @@ 
 	/**
 	 * Controller
 	 */
-    public function __construct ($user_id)
+    public function __construct($user_id)
     {
-    	$this->user_id  = $user_id;
-    	$this->path 	= 'block_teacher';
+    	$this->user_id = $user_id;
+    	$this->path = 'block_teacher';
     	if ($this->is_block_visible_for_user($user_id)) {
 	        $this->teachers = UserManager::get_users_followed_by_drh($user_id, COURSEMANAGER);
     	}
@@ -69,7 +69,7 @@ 
                 <div class="panel panel-default" id="intro">
                     <div class="panel-heading">
                         '.get_lang('TeachersInformationsList').'
-                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
+                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
                         <em class="fa fa-times"></em>
                         </a></div>
                     </div>
@@ -112,18 +112,18 @@ 
 
 	 			$teacher_id = $teacher['user_id'];
 	 			$firstname 	= $teacher['firstname'];
-	 			$lastname 	= $teacher['lastname'];
-	 			$username	= $teacher['username'];
+	 			$lastname = $teacher['lastname'];
+	 			$username = $teacher['username'];
 
 	 			$time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($teacher_id));
 	 			$last_connection = Tracking :: get_last_connection_date($teacher_id);
 
-				if ($i%2 == 0) $class_tr = 'row_odd';
+				if ($i % 2 == 0) $class_tr = 'row_odd';
 			    else $class_tr = 'row_even';
 
 				$teachers_table .= '
 									<tr class="'.$class_tr.'">
-										<td>'.api_get_person_name($firstname,$lastname).' ('.$username.')</td>
+										<td>'.api_get_person_name($firstname, $lastname).' ('.$username.')</td>
 										<td align="right">'.$time_on_platform.'</td>
 										<td align="right">'.$last_connection.'</td>
 									</tr>
@@ -155,7 +155,7 @@ 
         $teachers_table = null;
  		if (count($teachers) > 0) {
  			$a_last_week = get_last_week();
- 			$last_week 	 = date('Y-m-d',$a_last_week[0]).' '.get_lang('To').' '.date('Y-m-d', $a_last_week[6]);
+ 			$last_week 	 = date('Y-m-d', $a_last_week[0]).' '.get_lang('To').' '.date('Y-m-d', $a_last_week[6]);
 
 	 		$teachers_table .= '<table class="data_table" width:"95%">';
 	 		$teachers_table .= '
@@ -171,13 +171,13 @@ 
 	 			$teacher_id = $teacher['user_id'];
 	 			$firstname  = $teacher['firstname'];
 	 			$lastname   = $teacher['lastname'];
-				$username	= $teacher['username'];
-	 			$time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($teacher_id,true));
+				$username = $teacher['username'];
+	 			$time_on_platform = api_time_to_hms(Tracking :: get_time_spent_on_the_platform($teacher_id, true));
 
-	 			if ($i%2 == 0) $class_tr = 'row_odd';
+	 			if ($i % 2 == 0) $class_tr = 'row_odd';
 	    		else $class_tr = 'row_even';
 	    		$teachers_table .= '<tr class="'.$class_tr.'">
-										<td>'.api_get_person_name($firstname,$lastname).' ('.$username.')</td>
+										<td>'.api_get_person_name($firstname, $lastname).' ('.$username.')</td>
 										<td align="right">'.$time_on_platform.'</td>
 									</tr>';
 

plugin/dashboard/block_student/block_student.class.php

Spacing +11 added lines, -11 removed lines

@@ -21,12 +21,12 @@ 
 	/**
 	 * Constructor
 	 */
-    public function __construct ($user_id)
+    public function __construct($user_id)
     {
-    	$this->user_id  = $user_id;
-    	$this->path 	= 'block_student';
+    	$this->user_id = $user_id;
+    	$this->path = 'block_student';
     	if ($this->is_block_visible_for_user($user_id)) {
-            $this->students =  UserManager::get_users_followed_by_drh($user_id, STUDENT);
+            $this->students = UserManager::get_users_followed_by_drh($user_id, STUDENT);
     	}
     }
 
@@ -61,7 +61,7 @@ 
 		$html = '<div class="panel panel-default" id="intro">
                     <div class="panel-heading">
                         '.get_lang('StudentsInformationsList').'
-                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
+                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
                             <em class="fa fa-times"></em>
                         </a>
                         </div>
@@ -102,9 +102,9 @@ 
 
 	 			$courses_by_user = CourseManager::get_courses_list_by_user_id($student['user_id'], true);
 	 			$count_courses = count($courses_by_user);
-				$rowspan = $count_courses?$count_courses+1:2;
+				$rowspan = $count_courses ? $count_courses + 1 : 2;
 
-				if ($i%2 == 0) {
+				if ($i % 2 == 0) {
                     $style = ' style="background-color:#F2F2F2" ';
                 } else {
                     $style = ' style="background-color:#FFF" ';
@@ -169,7 +169,7 @@ 
 	 			$student_id = $student['user_id'];
 	 			$firstname  = $student['firstname'];
 	 			$lastname   = $student['lastname'];
-	 			$username	= $student['username'];
+	 			$username = $student['username'];
 
 
 				// get average of faults in attendances by student
@@ -188,7 +188,7 @@ 
 	 				$cats = Category::load(null, null, $course_code, null, null, null, false);
 	 				$scoretotal = array();
 	 				if (isset($cats) && isset($cats[0])) {
-		 				$scoretotal= $cats[0]->calc_score($student_id, null, $course_code);
+		 				$scoretotal = $cats[0]->calc_score($student_id, null, $course_code);
 	 				}
 
 	 				if (!empty($scoretotal)) {
@@ -198,10 +198,10 @@ 
 	 			}
 
 	 			if (!empty($weight)) {
-	 				$evaluations_avg = '<a title="'.get_lang('GoToStudentDetails').'" href="'.api_get_path(WEB_CODE_PATH).'mySpace/myStudents.php?student='.$student_id.'">'.round($score,2).'/'.round($weight,2).'('.round(($score / $weight) * 100,2) . ' %)</a>';
+	 				$evaluations_avg = '<a title="'.get_lang('GoToStudentDetails').'" href="'.api_get_path(WEB_CODE_PATH).'mySpace/myStudents.php?student='.$student_id.'">'.round($score, 2).'/'.round($weight, 2).'('.round(($score / $weight) * 100, 2).' %)</a>';
 	 			}
 
-	 			if ($i%2 == 0) {
+	 			if ($i % 2 == 0) {
                     $class_tr = 'row_odd';
                 } else {
                     $class_tr = 'row_even';

plugin/dashboard/block_evaluation_graph/block_evaluation_graph.class.php

Spacing +19 added lines, -19 removed lines

@@ -39,7 +39,7 @@ 
     	$this->bg_height = 350;
     	if ($this->is_block_visible_for_user($user_id)) {
             if (!api_is_session_admin()) {
-                $this->courses  = CourseManager::get_courses_followed_by_drh($user_id);
+                $this->courses = CourseManager::get_courses_followed_by_drh($user_id);
             }
             $this->sessions = SessionManager::get_sessions_followed_by_drh($user_id);
     	}
@@ -78,13 +78,13 @@ 
 		$html = '<div class="panel panel-default" id="intro">
                     <div class="panel-heading">
                         '.get_lang('EvaluationsGraph').'
-                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'),ENT_QUOTES,$charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
+                        <div class="pull-right"><a class="btn btn-danger btn-xs" onclick="javascript:if(!confirm(\''.addslashes(api_htmlentities(get_lang('ConfirmYourChoice'), ENT_QUOTES, $charset)).'\')) return false;" href="index.php?action=disable_block&path='.$this->path.'">
                         <em class="fa fa-times"></em>
                         </a></div>
                     </div>
                     <div class="panel-body">';
         if (empty($evaluations_base_courses_graph) && empty($evaluations_courses_in_sessions_graph)) {
-            $html .= '<p>'.api_convert_encoding(get_lang('GraphicNotAvailable'),'UTF-8').'</p>';
+            $html .= '<p>'.api_convert_encoding(get_lang('GraphicNotAvailable'), 'UTF-8').'</p>';
         } else {
             // display evaluations base courses graph
             if (!empty($evaluations_base_courses_graph)) {
@@ -132,7 +132,7 @@ 
 					$alleval = $cats[0]->get_evaluations(null, true, $course_code);
 					$alllinks = $cats[0]->get_links(null, true);
 					$users = GradebookUtils::get_all_users($alleval, $alllinks);
-					$datagen = new FlatViewDataGenerator ($users, $alleval, $alllinks);
+					$datagen = new FlatViewDataGenerator($users, $alleval, $alllinks);
 					$evaluation_sumary = $datagen->get_evaluation_sumary_results();
 					if (!empty($evaluation_sumary)) {
 						$items = array_keys($evaluation_sumary);
@@ -158,16 +158,16 @@ 
 
                         $dataSet->normalize(100, '%');
 
-                        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
+                        $dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
 
                         // Cache definition
                         $cachePath = api_get_path(SYS_ARCHIVE_PATH);
                         $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
                         $chartHash = $myCache->getHash($dataSet);
                         if ($myCache->isInCache($chartHash)) {
-                            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                             $myCache->saveFromCache($chartHash, $imgPath);
-                            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
                         } else {
                             /* Create the pChart object */
                             $widthSize = $this->bg_width;
@@ -196,7 +196,7 @@ 
                             /* Set the default font */
                             $myPicture->setFontProperties(
                                 array(
-                                    'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                                    'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                                     'FontSize' => 10
                                 )
                             );
@@ -276,12 +276,12 @@ 
                             /* Write and save into cache */
 
                             $myCache->writeToCache($chartHash, $myPicture);
-                            $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                            $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                             $myCache->saveFromCache($chartHash, $imgPath);
-                            $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                            $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
                         }
                         if (!empty($imgPath)) {
-                            $courses_graph[$course_code] = '<img src="' . $imgPath . '">';
+                            $courses_graph[$course_code] = '<img src="'.$imgPath.'">';
                         }
 					}
 				}
@@ -310,7 +310,7 @@ 
 						$alleval = $cats[0]->get_evaluations(null, true, $course_code);
 						$alllinks = $cats[0]->get_links(null, true);
 						$users = GradebookUtils::get_all_users($alleval, $alllinks);
-						$datagen = new FlatViewDataGenerator ($users, $alleval, $alllinks);
+						$datagen = new FlatViewDataGenerator($users, $alleval, $alllinks);
 						$evaluation_sumary = $datagen->get_evaluation_sumary_results();
 						if (!empty($evaluation_sumary)) {
 							$items = array_keys($evaluation_sumary);
@@ -336,16 +336,16 @@ 
 
                             $dataSet->normalize(100, '%');
 
-                            $dataSet->loadPalette(api_get_path(SYS_CODE_PATH) . 'palettes/pchart/default.color', true);
+                            $dataSet->loadPalette(api_get_path(SYS_CODE_PATH).'palettes/pchart/default.color', true);
 
                             // Cache definition
                             $cachePath = api_get_path(SYS_ARCHIVE_PATH);
                             $myCache = new pCache(array('CacheFolder' => substr($cachePath, 0, strlen($cachePath) - 1)));
                             $chartHash = $myCache->getHash($dataSet);
                             if ($myCache->isInCache($chartHash)) {
-                                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                                 $myCache->saveFromCache($chartHash, $imgPath);
-                                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
                             } else {
                                 /* Create the pChart object */
                                 $widthSize = $this->bg_width;
@@ -374,7 +374,7 @@ 
                                 /* Set the default font */
                                 $myPicture->setFontProperties(
                                     array(
-                                        'FontName' => api_get_path(SYS_FONTS_PATH) . 'opensans/OpenSans-Regular.ttf',
+                                        'FontName' => api_get_path(SYS_FONTS_PATH).'opensans/OpenSans-Regular.ttf',
                                         'FontSize' => 10
                                     )
                                 );
@@ -448,12 +448,12 @@ 
 
                                 /* Write and save into cache */
                                 $myCache->writeToCache($chartHash, $myPicture);
-                                $imgPath = api_get_path(SYS_ARCHIVE_PATH) . $chartHash;
+                                $imgPath = api_get_path(SYS_ARCHIVE_PATH).$chartHash;
                                 $myCache->saveFromCache($chartHash, $imgPath);
-                                $imgPath = api_get_path(WEB_ARCHIVE_PATH) . $chartHash;
+                                $imgPath = api_get_path(WEB_ARCHIVE_PATH).$chartHash;
                             }
                             if (!empty($imgPath)) {
-                                $courses_graph[$course_code] = '<img src="' . $imgPath . '">';
+                                $courses_graph[$course_code] = '<img src="'.$imgPath.'">';
                             }
 						}
 					}