chamilo / chamilo-lms

main/inc/ajax/chat.ajax.php

Spacing +5 added lines, -5 removed lines

@@ -5,7 +5,7 @@ 
  * Responses to AJAX calls
  */
 
-$_dont_save_user_course_access  = true;
+$_dont_save_user_course_access = true;
 
 require_once '../global.inc.php';
 
@@ -34,7 +34,7 @@ 
 }
 
 $to_user_id = isset($_REQUEST['to']) ? $_REQUEST['to'] : null;
-$message	= isset($_REQUEST['message']) ? $_REQUEST['message'] : null;
+$message = isset($_REQUEST['message']) ? $_REQUEST['message'] : null;
 
 if (!isset($_SESSION['chatHistory'])) {
     $_SESSION['chatHistory'] = array();
@@ -45,7 +45,7 @@ 
 }
 
 $chat = new Chat();
-if (chat::disableChat()){
+if (chat::disableChat()) {
     exit;
 }
 if ($chat->is_chat_blocked_by_exercises()) {
@@ -85,9 +85,9 @@ 
             $room = VideoChat::getChatRoomByUsers(api_get_user_id(), $to_user_id);
         }
 
-        $videoChatUrl = api_get_path(WEB_LIBRARY_JS_PATH) . "chat/video.php?room={$room['id']}";
+        $videoChatUrl = api_get_path(WEB_LIBRARY_JS_PATH)."chat/video.php?room={$room['id']}";
         $videoChatLink = Display::url(
-            Display::returnFontAwesomeIcon('video-camera') . get_lang('StartVideoChat'),
+            Display::returnFontAwesomeIcon('video-camera').get_lang('StartVideoChat'),
             $videoChatUrl
         );
 

main/inc/ajax/myspace.ajax.php

Spacing +3 added lines, -3 removed lines

@@ -58,9 +58,9 @@
             $db['is_empty'] = false;
             $db['result'] = convert_to_string($sql_result);
             $rst = get_stats($user_id, $course_code, $start_date, $end_date);
-            $foo_stats = '<strong>' . get_lang('Total') . ': </strong>' . $rst['total'] . '<br />';
-            $foo_stats .= '<strong>' . get_lang('Average') . ': </strong>' . $rst['avg'] . '<br />';
-            $foo_stats .= '<strong>' . get_lang('Quantity') . ' : </strong>' . $rst['times'] . '<br />';
+            $foo_stats = '<strong>'.get_lang('Total').': </strong>'.$rst['total'].'<br />';
+            $foo_stats .= '<strong>'.get_lang('Average').': </strong>'.$rst['avg'].'<br />';
+            $foo_stats .= '<strong>'.get_lang('Quantity').' : </strong>'.$rst['times'].'<br />';
             $db['stats'] = $foo_stats;
             $db['graph_result'] = grapher($sql_result, $start_date, $end_date, $type);
         } else {

main/inc/ajax/user_manager.ajax.php

Spacing +7 added lines, -7 removed lines

@@ -58,7 +58,7 @@ 
                 <div class="row">
                     <div class="col-sm-10 col-sm-offset-2">
                         <a class="btn btn-primary" id="send_message_link">
-                            <em class="fa fa-envelope"></em> ' . get_lang('Send') . '
+                            <em class="fa fa-envelope"></em> ' . get_lang('Send').'
                         </a>
                     </div>
                 </div>
@@ -112,7 +112,7 @@ 
 
             if (!empty($user_id)) {
                 $user_table = Database :: get_main_table(TABLE_MAIN_USER);
-                $sql="UPDATE $user_table SET active='".$status."' WHERE user_id='".$user_id."'";
+                $sql = "UPDATE $user_table SET active='".$status."' WHERE user_id='".$user_id."'";
                 $result = Database::query($sql);
 
                 //Send and email if account is active
@@ -122,13 +122,13 @@ 
                     $emailsubject = '['.api_get_setting('siteName').'] '.get_lang('YourReg').' '.api_get_setting('siteName');
                     $email_admin = api_get_setting('emailAdministrator');
                     $sender_name = api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'), null, PERSON_NAME_EMAIL_ADDRESS);
-                    $emailbody=get_lang('Dear')." ".stripslashes($recipient_name).",\n\n";
+                    $emailbody = get_lang('Dear')." ".stripslashes($recipient_name).",\n\n";
 
-                    $emailbody.=sprintf(get_lang('YourAccountOnXHasJustBeenApprovedByOneOfOurAdministrators'), api_get_setting('siteName'))."\n";
-                    $emailbody.=sprintf(get_lang('YouCanNowLoginAtXUsingTheLoginAndThePasswordYouHaveProvided'), api_get_path(WEB_PATH)).",\n\n";
-                    $emailbody.=get_lang('HaveFun')."\n\n";
+                    $emailbody .= sprintf(get_lang('YourAccountOnXHasJustBeenApprovedByOneOfOurAdministrators'), api_get_setting('siteName'))."\n";
+                    $emailbody .= sprintf(get_lang('YouCanNowLoginAtXUsingTheLoginAndThePasswordYouHaveProvided'), api_get_path(WEB_PATH)).",\n\n";
+                    $emailbody .= get_lang('HaveFun')."\n\n";
                     //$emailbody.=get_lang('Problem'). "\n\n". get_lang('SignatureFormula');
-                    $emailbody.=api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n". get_lang('Manager'). " ".api_get_setting('siteName')."\nT. ".api_get_setting('administratorTelephone')."\n" .get_lang('Email') ." : ".api_get_setting('emailAdministrator');
+                    $emailbody .= api_get_person_name(api_get_setting('administratorName'), api_get_setting('administratorSurname'))."\n".get_lang('Manager')." ".api_get_setting('siteName')."\nT. ".api_get_setting('administratorTelephone')."\n".get_lang('Email')." : ".api_get_setting('emailAdministrator');
 
                     $additionalParameters = array(
                         'smsType' => SmsPlugin::ACCOUNT_APPROVED_CONNECT,

main/inc/ajax/thematic.ajax.php

Spacing +3 added lines, -3 removed lines

@@ -98,8 +98,8 @@ 
 			}
 			$new_thematic_list = array();
 
-			foreach($thematic_list_temp as $item) {
-				if (!empty($item['attendance_id']) ) {
+			foreach ($thematic_list_temp as $item) {
+				if (!empty($item['attendance_id'])) {
 					$new_thematic_list[$item['id']] = array('attendance_id' =>$item['attendance_id'], 'start_date'=>$item['start_date']);
 				}
 			}
@@ -115,7 +115,7 @@ 
 					//checking if was already taken
 					foreach ($new_thematic_list as $key => $thematic_item) {
 						//if ($calendar['db_date_time'] == $thematic_item['start_date'] && $calendar['attendance_id'] == $thematic_item['attendance_id'] ) {
-						if ($calendar['db_date_time'] == $thematic_item['start_date'] ) {
+						if ($calendar['db_date_time'] == $thematic_item['start_date']) {
 							$insert = false;
 							if ($thematic_advance_id == $key) {
 								$insert = true;

main/inc/local.inc.php

Spacing +23 added lines, -23 removed lines

@@ -130,7 +130,7 @@ 
     $_user['status']  = $uData['status'];
     Session::write('_user', $_user);
     Session::erase('conditional_login');
-    $uidReset=true;
+    $uidReset = true;
     Event::event_login($_user['user_id']);
 }
 
@@ -212,7 +212,7 @@ 
 
             //is necessary verify check
             if ($legal_type == 1) {
-                if ((isset($_POST['legal_accept']) && $_POST['legal_accept']=='1')) {
+                if ((isset($_POST['legal_accept']) && $_POST['legal_accept'] == '1')) {
                     $legal_option = true;
                 } else {
                     $legal_option = false;
@@ -221,7 +221,7 @@ 
 
             //no is check option
             if ($legal_type == 0) {
-                $legal_option=true;
+                $legal_option = true;
             }
 
             if (isset($_POST['legal_accept_type']) && $legal_option === true) {
@@ -514,7 +514,7 @@ 
                  * Process external authentication
                  * on the basis of the given login name
                  */
-                $loginFailed = true;  // Default initialisation. It could
+                $loginFailed = true; // Default initialisation. It could
                 // change after the external authentication
                 $key = $uData['auth_source']; //'ldap','shibboleth'...
                 /* >>>>>>>> External authentication modules <<<<<<<<< */
@@ -533,7 +533,7 @@ 
             }
         } else {
             // login failed, Database::num_rows($result) <= 0
-            $loginFailed = true;  // Default initialisation. It could
+            $loginFailed = true; // Default initialisation. It could
             // change after the external authentication
 
             /*
@@ -559,7 +559,7 @@ 
                         include_once($thisAuthSource['newUser']);
                     } else {
                         error_log(
-                            'Chamilo Authentication file '. $thisAuthSource['newUser'].
+                            'Chamilo Authentication file '.$thisAuthSource['newUser'].
                             ' could not be found - this might prevent your system from using'.
                             ' the authentication process in the user creation process',
                             0
@@ -668,7 +668,7 @@ 
             online_logout(null, false);
             $osso->logout(); //redirects and exits
         }
-    } elseif (api_get_setting('openid_authentication')=='true') {
+    } elseif (api_get_setting('openid_authentication') == 'true') {
         if (!empty($_POST['openid_url'])) {
             include api_get_path(SYS_CODE_PATH).'auth/openid/login.php';
             openid_begin(trim($_POST['openid_url']), api_get_path(WEB_PATH).'index.php');
@@ -681,7 +681,7 @@ 
             if ($res['status'] == 'success') {
                 $id1 = Database::escape_string($res['openid.identity']);
                 //have another id with or without the final '/'
-                $id2 = (substr($id1, -1, 1)=='/'?substr($id1, 0, -1):$id1.'/');
+                $id2 = (substr($id1, -1, 1) == '/' ? substr($id1, 0, -1) : $id1.'/');
                 //lookup the user in the main database
                 $user_table = Database::get_main_table(TABLE_MAIN_USER);
                 $sql = "SELECT user_id, username, password, auth_source, active, expiration_date
@@ -690,14 +690,14 @@ 
                         OR openid = '$id2' ";
                 $result = Database::query($sql);
                 if ($result !== false) {
-                    if (Database::num_rows($result)>0) {
+                    if (Database::num_rows($result) > 0) {
                         $uData = Database::fetch_array($result);
 
                         if ($uData['auth_source'] == PLATFORM_AUTH_SOURCE) {
                             //the authentification of this user is managed by Chamilo itself
 
                             // check if the account is active (not locked)
-                            if ($uData['active']=='1') {
+                            if ($uData['active'] == '1') {
                                 // check if the expiration date has not been reached
                                 if ($uData['expiration_date'] > date('Y-m-d H:i:s')
                                     || empty($uData['expiration_date'])
@@ -775,7 +775,7 @@ 
     (isset($_SESSION['_cid']) && $cidReq != $_SESSION['_cid']))
 ) {
     $cidReset = true;
-    $gidReset = true;    // As groups depend from courses, group id is reset
+    $gidReset = true; // As groups depend from courses, group id is reset
 }
 
 /* USER INIT */
@@ -864,8 +864,8 @@ 
             $tbl_session_course_user = Database::get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 
             if (!empty($_GET['id_session'])) {
-                $sql = 'SELECT name FROM '.$tbl_session . '
-                        WHERE id="'.intval($_GET['id_session']) . '"';
+                $sql = 'SELECT name FROM '.$tbl_session.'
+                        WHERE id="'.intval($_GET['id_session']).'"';
                 $rs = Database::query($sql);
                 if (Database::num_rows($rs)) {
                     list($_SESSION['session_name']) = Database::fetch_array(
@@ -956,7 +956,7 @@ 
         // Moreover, if we want to track a course with another session it can be usefull
         if (!empty($_GET['id_session']) && is_numeric($_GET['id_session'])) {
             $tbl_session = Database::get_main_table(TABLE_MAIN_SESSION);
-            $sql = 'SELECT name FROM '.$tbl_session . ' WHERE id="'.intval($_GET['id_session']). '"';
+            $sql = 'SELECT name FROM '.$tbl_session.' WHERE id="'.intval($_GET['id_session']).'"';
             $rs = Database::query($sql);
             if (Database::num_rows($rs)) {
                 list($_SESSION['session_name']) = Database::fetch_array($rs);
@@ -1005,7 +1005,7 @@ 
                     $session_lifetime    = 3600; // 1 hour
                 }*/
 
-                $session_lifetime    = 3600; // 1 hour
+                $session_lifetime = 3600; // 1 hour
 
                 $course_code = $_course['sysCode'];
                 $time = api_get_utc_datetime();
@@ -1031,7 +1031,7 @@ 
                         Database::query($sql);
                     } else {
                         $ip = api_get_real_ip();
-                        $sql="INSERT INTO $course_tracking_table (c_id, user_ip, user_id, login_course_date, logout_course_date, counter, session_id)" .
+                        $sql = "INSERT INTO $course_tracking_table (c_id, user_ip, user_id, login_course_date, logout_course_date, counter, session_id)".
                             "VALUES('".$_course['real_id']."', '".$ip."', '".$_user['user_id']."', '$time', '$time', '1','".api_get_session_id()."')";
                         Database::query($sql);
                     }
@@ -1096,8 +1096,8 @@ 
         if (Database::num_rows($result) > 0) { // this  user have a recorded state for this course
             $cuData = Database::fetch_array($result, 'ASSOC');
 
-            $is_courseAdmin = (bool)($cuData['status'] == 1);
-            $is_courseTutor = (bool)($cuData['is_tutor'] == 1);
+            $is_courseAdmin = (bool) ($cuData['status'] == 1);
+            $is_courseTutor = (bool) ($cuData['is_tutor'] == 1);
             $is_courseMember = true;
         }
 
@@ -1108,7 +1108,7 @@ 
                 // This user has no status related to this course
                 // The user is subscribed in a session? The user is a Session coach a Session admin ?
 
-                $tbl_session  = Database :: get_main_table(TABLE_MAIN_SESSION);
+                $tbl_session = Database :: get_main_table(TABLE_MAIN_SESSION);
                 $tbl_session_course = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE);
                 $tbl_session_course_user = Database :: get_main_table(TABLE_MAIN_SESSION_COURSE_USER);
 
@@ -1221,7 +1221,7 @@ 
 
             //If I'm the admin platform i'm a teacher of the course
             if ($is_platformAdmin) {
-                $is_courseAdmin     = true;
+                $is_courseAdmin = true;
             }
         }
     } else { // keys missing => not anymore in the course - user relation
@@ -1379,12 +1379,12 @@ 
     ($logging_in && exist_firstpage_parameter())
 ) {
     $redirectCourseDir = api_get_firstpage_parameter();
-    api_delete_firstpage_parameter();    // delete the cookie
+    api_delete_firstpage_parameter(); // delete the cookie
 
     if (!isset($_SESSION['request_uri'])) {
         if (CourseManager::get_course_id_from_path($redirectCourseDir)) {
             $_SESSION['noredirection'] = false;
-            $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH) . $redirectCourseDir . '/';
+            $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH).$redirectCourseDir.'/';
         }
     }
 } elseif (api_user_is_login() && exist_firstpage_parameter()) {
@@ -1392,7 +1392,7 @@ 
     api_delete_firstpage_parameter(); // delete the cookie
     if (CourseManager::get_course_id_from_path($redirectCourseDir)) {
         $_SESSION['noredirection'] = false;
-        $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH) . $redirectCourseDir . '/';
+        $_SESSION['request_uri'] = api_get_path(WEB_COURSE_PATH).$redirectCourseDir.'/';
     }
 }
 

main/inc/lib/AnnouncementEmail.php

Spacing +1 added lines, -1 removed lines

@@ -196,7 +196,7 @@
      *
      * @return array
      */
-    public function sender($key = '',  $userId = '')
+    public function sender($key = '', $userId = '')
     {
         $_user = api_get_user_info($userId);
 

main/inc/lib/custom_pages.class.php

Spacing +7 added lines, -7 removed lines

@@ -35,7 +35,7 @@ 
      */
     public static function path($name = '')
     {
-        return api_get_path(SYS_PATH) . 'custompages/' . $name;
+        return api_get_path(SYS_PATH).'custompages/'.$name;
     }
 
     /**
@@ -50,12 +50,12 @@ 
             return false;
         }
 
-        $file = self::path($page_name . '.php');
+        $file = self::path($page_name.'.php');
         if (file_exists($file)) {
             include($file);
             exit;
         } else {
-            error_log('CustomPages::displayPage : could not read file ' . $file);
+            error_log('CustomPages::displayPage : could not read file '.$file);
         }
     }
 
@@ -69,14 +69,14 @@ 
     public static function getURLImages($url_id = null)
     {
         if (is_null($url_id)) {
-            $url = 'http://' . $_SERVER['HTTP_HOST'] . '/';
+            $url = 'http://'.$_SERVER['HTTP_HOST'].'/';
             $url_id = UrlManager::get_url_id($url);
         }
-        $url_images_dir = api_get_path(SYS_PATH) . 'custompages/url-images/';
+        $url_images_dir = api_get_path(SYS_PATH).'custompages/url-images/';
         $images = array();
         for ($img_id = 1; $img_id <= 3; $img_id++) {
-            if (file_exists($url_images_dir . $url_id . '_url_image_' . $img_id . '.png')) {
-                $images[] = api_get_path(WEB_PATH) . 'custompages/url-images/' . $url_id . '_url_image_' . $img_id . '.png';
+            if (file_exists($url_images_dir.$url_id.'_url_image_'.$img_id.'.png')) {
+                $images[] = api_get_path(WEB_PATH).'custompages/url-images/'.$url_id.'_url_image_'.$img_id.'.png';
             }
         }
 

main/inc/lib/notification.lib.php

Spacing +3 added lines, -3 removed lines

@@ -355,7 +355,7 @@ 
                 $newMessageText = '';
                 $linkToNewMessage = Display::url(
                     get_lang('SeeMessage'),
-                    api_get_path(WEB_CODE_PATH) . 'messages/inbox.php'
+                    api_get_path(WEB_CODE_PATH).'messages/inbox.php'
                 );
                 break;
             case self::NOTIFICATION_TYPE_MESSAGE:
@@ -370,7 +370,7 @@ 
                 }
                 $linkToNewMessage = Display::url(
                     get_lang('SeeMessage'),
-                    api_get_path(WEB_CODE_PATH) . 'messages/inbox.php'
+                    api_get_path(WEB_CODE_PATH).'messages/inbox.php'
                 );
                 break;
             case self::NOTIFICATION_TYPE_INVITATION:
@@ -385,7 +385,7 @@ 
                 }
                 $linkToNewMessage = Display::url(
                     get_lang('SeeInvitation'),
-                    api_get_path(WEB_CODE_PATH) . 'social/invitations.php'
+                    api_get_path(WEB_CODE_PATH).'social/invitations.php'
                 );
                 break;
             case self::NOTIFICATION_TYPE_GROUP:

main/inc/lib/usermanager.lib.php

Spacing +36 added lines, -36 removed lines

@@ -34,7 +34,7 @@ 
     const USER_FIELD_TYPE_TIMEZONE = 11;
     const USER_FIELD_TYPE_SOCIAL_PROFILE = 12;
     const USER_FIELD_TYPE_FILE = 13;
-    const USER_FIELD_TYPE_MOBILE_PHONE_NUMBER  = 14;
+    const USER_FIELD_TYPE_MOBILE_PHONE_NUMBER = 14;
 
     private static $encryptionMethod;
 
@@ -280,7 +280,7 @@ 
         }
 
         if (empty($password)) {
-            Display::addFlash(Display::return_message(get_lang('ThisFieldIsRequired').': '.get_lang('Password') , 'warning'));
+            Display::addFlash(Display::return_message(get_lang('ThisFieldIsRequired').': '.get_lang('Password'), 'warning'));
 
             return false;
         }
@@ -758,7 +758,7 @@ 
         $sql = "UPDATE $table_user SET active = 1 WHERE id IN ($ids)";
         $r = Database::query($sql);
         if ($r !== false) {
-            Event::addEvent(LOG_USER_ENABLE,LOG_USER_ID,$ids);
+            Event::addEvent(LOG_USER_ENABLE, LOG_USER_ID, $ids);
         }
         return $r;
     }
@@ -1162,7 +1162,7 @@ 
             // 1. Conversion of unacceptable letters (latinian letters with accents for example) into ASCII letters in order they not to be totally removed.
             // 2. Applying the strict purifier.
             // 3. Length limitation.
-            $return  = api_get_setting('login_is_email') == 'true' ? substr(preg_replace(USERNAME_PURIFIER_MAIL, '', $username), 0, USERNAME_MAX_LENGTH) : substr(preg_replace(USERNAME_PURIFIER, '', $username), 0, USERNAME_MAX_LENGTH);
+            $return = api_get_setting('login_is_email') == 'true' ? substr(preg_replace(USERNAME_PURIFIER_MAIL, '', $username), 0, USERNAME_MAX_LENGTH) : substr(preg_replace(USERNAME_PURIFIER, '', $username), 0, USERNAME_MAX_LENGTH);
             $return = URLify::transliterate($return);
             return $return;
         }
@@ -1254,12 +1254,12 @@ 
 
         if (!is_null($order)) {
             $order = Database::escape_string($order);
-            $sql .= ' ORDER BY ' . $order;
+            $sql .= ' ORDER BY '.$order;
         }
 
         if (!is_null($limit)) {
             $limit = Database::escape_string($limit);
-            $sql .= ' LIMIT ' . $limit;
+            $sql .= ' LIMIT '.$limit;
         }
 
         $rs = Database::query($sql);
@@ -1432,7 +1432,7 @@ 
             // In exceptional cases, on some portals, the intermediate base user
             // directory might not have been created. Make sure it is before
             // going further.
-            $rootPath = api_get_path(SYS_UPLOAD_PATH) . 'users/' . substr((string) $id, 0, 1);
+            $rootPath = api_get_path(SYS_UPLOAD_PATH).'users/'.substr((string) $id, 0, 1);
             if (!is_dir($rootPath)) {
                 $perm = api_get_permissions_for_new_directories();
                 try {
@@ -1685,7 +1685,7 @@ 
         $path_info = self::get_user_picture_path_by_id($user_id, 'system');
         $path = $path_info['dir'];
         if (!empty($extra_field)) {
-            $path .= $extra_field . '/';
+            $path .= $extra_field.'/';
         }
         // If this directory does not exist - we create it.
         if (!file_exists($path)) {
@@ -1693,7 +1693,7 @@ 
         }
 
         if (filter_extension($file)) {
-            if (@move_uploaded_file($source_file,$path.$file)) {
+            if (@move_uploaded_file($source_file, $path.$file)) {
                 if ($extra_field) {
                     return $extra_field.'/'.$file;
                 } else {
@@ -1944,10 +1944,10 @@ 
         if (count($extra_files) > 0) {
             $extra_file_list = '<div class="files-production"><ul id="productions">';
             foreach ($extra_files as $file) {
-                $filename = substr($file,strlen($extra_field)+1);
+                $filename = substr($file, strlen($extra_field) + 1);
                 $extra_file_list .= '<li>'.Display::return_icon('archive.png').'<a href="'.$path.$extra_field.'/'.urlencode($filename).'" target="_blank">'.htmlentities($filename).'</a> ';
                 if ($showdelete) {
-                    $extra_file_list .= '<input style="width:16px;" type="image" name="remove_extra_' . $extra_field . '['.urlencode($file).']" src="'.$del_image.'" alt="'.$del_text.'" title="'.$del_text.' '.htmlentities($filename).'" onclick="javascript: return confirmation(\''.htmlentities($filename).'\');" /></li>';
+                    $extra_file_list .= '<input style="width:16px;" type="image" name="remove_extra_'.$extra_field.'['.urlencode($file).']" src="'.$del_image.'" alt="'.$del_text.'" title="'.$del_text.' '.htmlentities($filename).'" onclick="javascript: return confirmation(\''.htmlentities($filename).'\');" /></li>';
                 }
             }
             $extra_file_list .= '</ul></div>';
@@ -2531,7 +2531,7 @@ 
 
         if (api_is_allowed_to_create_course()) {
             $sessionListFromCourseCoach = array();
-            $sql =" SELECT DISTINCT session_id
+            $sql = " SELECT DISTINCT session_id
                     FROM $tbl_session_course_user
                     WHERE user_id = $user_id AND status = 2 ";
 
@@ -2539,7 +2539,7 @@ 
             if (Database::num_rows($result)) {
                 $result = Database::store_result($result);
                 foreach ($result as $session) {
-                    $sessionListFromCourseCoach[]= $session['session_id'];
+                    $sessionListFromCourseCoach[] = $session['session_id'];
                 }
             }
             if (!empty($sessionListFromCourseCoach)) {
@@ -2562,7 +2562,7 @@ 
                 ORDER BY access_start_date, access_end_date, name";
 
         $result = Database::query($sql);
-        if (Database::num_rows($result)>0) {
+        if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_assoc($result)) {
                 $sessions[$row['id']] = $row;
             }
@@ -2578,7 +2578,7 @@ 
                 ORDER BY access_start_date, access_end_date, name";
 
         $result = Database::query($sql);
-        if (Database::num_rows($result)>0) {
+        if (Database::num_rows($result) > 0) {
             while ($row = Database::fetch_assoc($result)) {
                 if (empty($sessions[$row['id']])) {
                     $sessions[$row['id']] = $row;
@@ -3567,13 +3567,13 @@ 
         $useExtraFields = false;
         $extraFields = UserManager::get_extra_filtrable_fields();
         $extraFieldResult = array();
-        if (is_array($extraFields) && count($extraFields)>0 ) {
+        if (is_array($extraFields) && count($extraFields) > 0) {
             foreach ($extraFields as $extraField) {
                 $varName = 'field_'.$extraField['variable'];
                 if (UserManager::is_extra_field_available($extraField['variable'])) {
-                    if (isset($_GET[$varName]) && $_GET[$varName]!='0') {
+                    if (isset($_GET[$varName]) && $_GET[$varName] != '0') {
                         $useExtraFields = true;
-                        $extraFieldResult[]= UserManager::get_extra_user_data_by_value(
+                        $extraFieldResult[] = UserManager::get_extra_user_data_by_value(
                             $extraField['variable'],
                             $_GET[$varName]
                         );
@@ -3584,17 +3584,17 @@ 
 
         if ($useExtraFields) {
             $finalResult = array();
-            if (count($extraFieldResult)>1) {
-                for ($i=0; $i < count($extraFieldResult) -1; $i++) {
-                    if (is_array($extraFieldResult[$i+1])) {
-                        $finalResult  = array_intersect($extraFieldResult[$i], $extraFieldResult[$i+1]);
+            if (count($extraFieldResult) > 1) {
+                for ($i = 0; $i < count($extraFieldResult) - 1; $i++) {
+                    if (is_array($extraFieldResult[$i + 1])) {
+                        $finalResult = array_intersect($extraFieldResult[$i], $extraFieldResult[$i + 1]);
                     }
                 }
             } else {
                 $finalResult = $extraFieldResult[0];
             }
 
-            if (is_array($finalResult) && count($finalResult)>0) {
+            if (is_array($finalResult) && count($finalResult) > 0) {
                 $whereFilter = " AND u.id IN  ('".implode("','", $finalResult)."') ";
             } else {
                 //no results
@@ -3767,7 +3767,7 @@ 
             $sql = 'DELETE FROM '.$tbl_my_friend.'
                     WHERE relation_type <> '.USER_RELATION_TYPE_RRHH.' AND friend_user_id='.$friend_id.' '.$extra_condition;
             Database::query($sql);
-            $sql= 'DELETE FROM '.$tbl_my_friend.'
+            $sql = 'DELETE FROM '.$tbl_my_friend.'
                    WHERE relation_type <> '.USER_RELATION_TYPE_RRHH.' AND user_id='.$friend_id.' '.$extra_condition;
             Database::query($sql);
         } else {
@@ -3961,7 +3961,7 @@ 
 
         if (!empty($lastConnectionDate)) {
             $lastConnectionDate = Database::escape_string($lastConnectionDate);
-            $userConditions .=  " AND u.last_login <= '$lastConnectionDate' ";
+            $userConditions .= " AND u.last_login <= '$lastConnectionDate' ";
         }
 
         $courseConditions = null;
@@ -4028,7 +4028,7 @@ 
                 break;
             case STUDENT_BOSS :
                 $drhConditions = " AND friend_user_id = $userId AND "
-                . "relation_type = " . USER_RELATION_TYPE_BOSS;
+                . "relation_type = ".USER_RELATION_TYPE_BOSS;
                 break;
         }
 
@@ -4118,7 +4118,7 @@ 
                 . "INNER JOIN $userRelAccessUrlTable a ON (a.user_id = s.user_id) "
                 . "WHERE friend_user_id = $userId "
                 . "AND relation_type = $relationType "
-                . "AND access_url_id = " . api_get_current_access_url_id() . "";
+                . "AND access_url_id = ".api_get_current_access_url_id()."";
         } else {
             $sql = "SELECT user_id FROM $userRelUserTable "
                 . "WHERE friend_user_id = $userId "
@@ -4393,7 +4393,7 @@ 
         if (empty($years)) {
             $years = 1;
         }
-        $inactive_time = $years * 31536000;  //1 year
+        $inactive_time = $years * 31536000; //1 year
         $rs = Database::query($sql);
         if (Database::num_rows($rs) > 0) {
             if ($last_login_date = Database::result($rs, 0, 0)) {
@@ -4526,7 +4526,7 @@ 
                         'extra_'.$field_details[1],
                         $field_details[3],
                         $options,
-                        array('id' => 'extra_' . $field_details[1])
+                        array('id' => 'extra_'.$field_details[1])
                     );
 
                     if (!$admin_permissions) {
@@ -4680,7 +4680,7 @@ 
                     $extra_field = 'extra_'.$field_details[1];
                     $form->addElement('file', $extra_field, $field_details[3], null, '');
                     if ($extra_file_list = UserManager::build_user_extra_file_list($user_id, $field_details[1], '', true)) {
-                        $form->addElement('static', $extra_field . '_list', null, $extra_file_list);
+                        $form->addElement('static', $extra_field.'_list', null, $extra_file_list);
                     }
                     if ($field_details[7] == 0) {
                         $form->freeze($extra_field);
@@ -4820,7 +4820,7 @@ 
         $direction = null,
         $active = null,
         $lastConnectionDate = null
-    ){
+    ) {
         return self::getUsersFollowedByUser(
                 $userId, $userStatus, $getOnlyUserId, $getSql, $getCount, $from, $numberItems, $column, $direction,
                 $active, $lastConnectionDate, STUDENT_BOSS
@@ -4987,12 +4987,12 @@ 
         if (!empty($_SERVER['HTTPS'])) {
             $url = 'https://secure.gravatar.com/avatar/';
         }
-        $url .= md5( strtolower( trim( $email ) ) );
+        $url .= md5(strtolower(trim($email)));
         $url .= "?s=$s&d=$d&r=$r";
-        if ( $img ) {
-            $url = '<img src="' . $url . '"';
-            foreach ( $atts as $key => $val )
-                $url .= ' ' . $key . '="' . $val . '"';
+        if ($img) {
+            $url = '<img src="'.$url.'"';
+            foreach ($atts as $key => $val)
+                $url .= ' '.$key.'="'.$val.'"';
             $url .= ' />';
         }
         return $url;