diff --git a/main/admin/course_edit.php b/main/admin/course_edit.php
index 7d2edcd0f4..4c2c75991f 100755
--- a/main/admin/course_edit.php
+++ b/main/admin/course_edit.php
@@ -69,7 +69,7 @@ if (api_is_multiple_url_enabled()) {
             ON (u.user_id=url_rel_user.user_id)
             WHERE
                 url_rel_user.access_url_id = $urlId AND
-                status = 1" . $order_clause;
+                status = 1".$order_clause;
 } else {
     $sql = "SELECT user_id, lastname, firstname
             FROM $table_user WHERE status='1'".$order_clause;
diff --git a/main/course_progress/thematic_controller.php b/main/course_progress/thematic_controller.php
index 0949e6f3d4..7faca6d76e 100755
--- a/main/course_progress/thematic_controller.php
+++ b/main/course_progress/thematic_controller.php
@@ -272,7 +272,7 @@ class ThematicController
                 case 'export_single_thematic':
                     $theme = $thematic->get_thematic_list($thematic_id);
                     $plans = $thematic->get_thematic_plan_data($theme['id']);
-                    $plans = array_filter($plans, function ($plan) {
+                    $plans = array_filter($plans, function($plan) {
                         return !empty($plan['description']);
                     });
                     $advances = $thematic->get_thematic_advance_by_thematic_id($theme['id']);
diff --git a/main/document/document.php b/main/document/document.php
index 6c079bd02c..13b772223a 100755
--- a/main/document/document.php
+++ b/main/document/document.php
@@ -1676,7 +1676,7 @@ if ($isAllowedToEdit ||
         // Record an image clip from my webcam
         if (api_get_setting('enable_webcam_clip') == 'true') {
             $actionsLeft .= Display::url(
-                Display::return_icon('webcam.png', get_lang('WebCamClip'), '',  ICON_SIZE_MEDIUM),
+                Display::return_icon('webcam.png', get_lang('WebCamClip'), '', ICON_SIZE_MEDIUM),
                 api_get_path(WEB_CODE_PATH).'document/webcam_clip.php?'.api_get_cidreq().'&id='.$document_id
             );
         }
diff --git a/main/inc/lib/online.inc.php b/main/inc/lib/online.inc.php
index c235f74e9a..0ecb19c09f 100755
--- a/main/inc/lib/online.inc.php
+++ b/main/inc/lib/online.inc.php
@@ -492,7 +492,7 @@ function courseLogout($logoutInfo)
      * login_course_date > now() - INTERVAL $session_lifetime SECOND
      */
     if (empty($sessionLifetime) || $sessionLifetime > 86400) {
-        $sessionLifetime    = 3600; // 1 hour
+        $sessionLifetime = 3600; // 1 hour
     }
     if (!empty($logoutInfo) && !empty($logoutInfo['cid'])) {
         $tableCourseAccess = Database::get_main_table(TABLE_STATISTIC_TRACK_E_COURSE_ACCESS);
diff --git a/main/inc/local.inc.php b/main/inc/local.inc.php
index c482bd4f65..7876fece37 100755
--- a/main/inc/local.inc.php
+++ b/main/inc/local.inc.php
@@ -1207,7 +1207,7 @@ if ((isset($uidReset) && $uidReset) || (isset($cidReset) && $cidReset)) {
                     $is_courseMember     = false;
                     $is_courseTutor      = false;
                     $is_courseAdmin      = false;
-                    $is_session_general_coach      = false;
+                    $is_session_general_coach = false;
                     $is_sessionAdmin     = true;
                 } else {
                     // Am I a session coach for this session?
diff --git a/main/lp/lp_controller.php b/main/lp/lp_controller.php
index 882ec8d99e..0eedc37bcf 100755
--- a/main/lp/lp_controller.php
+++ b/main/lp/lp_controller.php
@@ -337,7 +337,7 @@ if (isset($_GET['isStudentView']) && $_GET['isStudentView'] == 'true') {
     if (isset($_REQUEST['action']) && !in_array($_REQUEST['action'], ['list', 'view', 'view_category'])) {
         if (!empty($_REQUEST['lp_id'])) {
             $_REQUEST['action'] = 'view';
-        } elseif($_REQUEST['action'] == 'view_category') {
+        } elseif ($_REQUEST['action'] == 'view_category') {
             $_REQUEST['action'] = 'view_category';
         } else {
             $_REQUEST['action'] = 'list';
diff --git a/main/session/resume_session.php b/main/session/resume_session.php
index 3b9104a353..cf4eaec184 100644
--- a/main/session/resume_session.php
+++ b/main/session/resume_session.php
@@ -168,7 +168,7 @@ if ($sessionInfo['nbr_courses'] == 0) {
         $namesOfCoaches = [];
         $coachSubscriptions = $session
             ->getUserCourseSubscriptionsByStatus($course, Session::COACH)
-            ->forAll(function ($index, SessionRelCourseRelUser $subscription) use (&$namesOfCoaches) {
+            ->forAll(function($index, SessionRelCourseRelUser $subscription) use (&$namesOfCoaches) {
                 $namesOfCoaches[] = $subscription->getUser()->getCompleteNameWithUserName();
 
                 return true;
@@ -189,7 +189,7 @@ if ($sessionInfo['nbr_courses'] == 0) {
 
             $orderButtons .= Display::url(
                 Display::return_icon(
-                    $count + 1 == count($courses) ? 'down_na.png'  : 'down.png',
+                    $count + 1 == count($courses) ? 'down_na.png' : 'down.png',
                     get_lang('MoveDown')
                 ),
                 $count + 1 == count($courses)
diff --git a/main/session/scheduled_announcement.php b/main/session/scheduled_announcement.php
index 4927701dce..aba5c47a61 100644
--- a/main/session/scheduled_announcement.php
+++ b/main/session/scheduled_announcement.php
@@ -22,7 +22,7 @@ if (!$object->allowed()) {
     api_not_allowed(true);
 }
 
-$sessionUrl =  api_get_path(WEB_CODE_PATH).'session/resume_session.php?id_session='.$sessionId;
+$sessionUrl = api_get_path(WEB_CODE_PATH).'session/resume_session.php?id_session='.$sessionId;
 
 $htmlHeadXtra[] = api_get_jqgrid_js();
 $interbreadcrumb[] = array(
diff --git a/main/ticket/tickets.php b/main/ticket/tickets.php
index 4bdf036251..a80e8cd5e5 100644
--- a/main/ticket/tickets.php
+++ b/main/ticket/tickets.php
@@ -280,7 +280,7 @@ if (!empty($projectId)) {
 
     $options = '';
     if ($isAdmin) {
-        $options .=Display::url(
+        $options .= Display::url(
             get_lang('Projects'),
             api_get_path(WEB_CODE_PATH).'ticket/projects.php'
         );
diff --git a/main/work/work.lib.php b/main/work/work.lib.php
index fed0de02f8..8a58549034 100755
--- a/main/work/work.lib.php
+++ b/main/work/work.lib.php
@@ -4646,7 +4646,7 @@ function getFormWork($form, $defaults = array(), $workId = 0)
         $form->addHtml('<div id="option2" style="display: none;">');
     }
 
-    $timeNextWeek = time()+86400*7;
+    $timeNextWeek = time() + 86400 * 7;
     $nextWeek = substr(api_get_local_time($timeNextWeek), 0, 10);
     if (!isset($defaults['expires_on'])) {
         $date = substr($nextWeek, 0, 10);
@@ -4658,7 +4658,7 @@ function getFormWork($form, $defaults = array(), $workId = 0)
     $form->addElement('checkbox', 'enableEndDate', null, get_lang('EnableEndDate'), 'id="end_date"');
 
     if (!isset($defaults['ends_on'])) {
-        $nextDay = substr(api_get_local_time($timeNextWeek+86400), 0, 10);
+        $nextDay = substr(api_get_local_time($timeNextWeek + 86400), 0, 10);
         $date = substr($nextDay, 0, 10);
         $defaults['ends_on'] = $date.' 23:59';
     }
diff --git a/plugin/sepe/config.php b/plugin/sepe/config.php
index 9e7c869a62..af5ba737dd 100644
--- a/plugin/sepe/config.php
+++ b/plugin/sepe/config.php
@@ -7,7 +7,7 @@
  * @package chamilo.plugin.sepe
  */
 
-require_once __DIR__ . '/../../main/inc/global.inc.php';
+require_once __DIR__.'/../../main/inc/global.inc.php';
 require_once api_get_path(LIBRARY_PATH).'plugin.class.php';
 
 require_once 'src/sepe.lib.php';
diff --git a/plugin/sepe/database.php b/plugin/sepe/database.php
index 61dfc9b429..19cf25814f 100644
--- a/plugin/sepe/database.php
+++ b/plugin/sepe/database.php
@@ -752,7 +752,7 @@ $fieldlabel = 'sexo';
 $fieldtype = '3';
 $fieldtitle = 'Género';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', 'Hombre', 'Hombre',1);";
 Database::query($sql);
 $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', 'Mujer', 'Mujer',2);";
@@ -764,28 +764,28 @@ $fieldlabel = 'edad';
 $fieldtype = '6';
 $fieldtitle = 'Fecha de nacimiento';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'nivel_formativo';
 $fieldtype = '1';
 $fieldtitle = 'Nivel formativo';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'situacion_laboral';
 $fieldtype = '1';
 $fieldtitle = 'Situación Laboral';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'provincia_residencia';
 $fieldtype = '4';
 $fieldtitle = 'Provincia Residencia';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $provinces = 'Albacete;Alicante/Alacant;Almería;Araba/Álava;Asturias;Ávila;Badajoz;Balears, Illes;Barcelona;Bizkaia;Burgos;Cáceres;Cádiz;Cantabria;Castellón/Castelló;Ciudad Real;Córdoba;Coruña, A;Cuenca;Gipuzkoa;Girona;Granada;Guadalajara;Huelva;Huesca;Jaén;León;Lleida;Lugo;Madrid;Málaga;Murcia;Navarra;Ourense;Palencia;Palmas, Las;Pontevedr;Rioja, La;Salamanca;Santa Cruz de Tenerife;Segovia;Sevilla;Soria;Tarragona;Teruel;Toledo;Valencia/Valéncia;Valladolid;Zamora;Zaragoza;Ceuta;Melilla';
-$list_provinces = explode(';',$provinces);
+$list_provinces = explode(';', $provinces);
 $i = 1;
 foreach ($list_provinces as $value) {
     $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', '".$i."', '".$value."','".$i."');";
@@ -797,9 +797,9 @@ $fieldlabel = 'comunidad_residencia';
 $fieldtype = '4';
 $fieldtitle = 'Comunidad autonoma de residencia';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 $ccaa = ';Andalucía;Aragón;Asturias, Principado de;Balears, Illes;Canarias;Cantabria;Castilla y León;Castilla - La Mancha;Cataluña;Comunitat Valenciana;Extremadura;Galicia;Madrid, Comunidad de;Murcia, Región de;Navarra, Comunidad Foral de;País Vasco;Rioja, La;Ceuta;Melilla';
-$list_ccaa = explode(';',$ccaa);
+$list_ccaa = explode(';', $ccaa);
 $i = 1;
 foreach ($list_ccaa as $value) {
     $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', '".$i."', '".$value."','".$i."');";
@@ -812,7 +812,7 @@ $fieldtype = '4';
 $fieldtitle = 'Provincia Trabajo';
 $fielddefault = '';
 //$fieldoptions = ';Albacete;Alicante/Alacant;Almería;Araba/Álava;Asturias;Ávila;Badajoz;Balears, Illes;Barcelona;Bizkaia;Burgos;Cáceres;Cádiz;Cantabria;Castellón/Castelló;Ciudad Real;Córdoba;Coruña, A;Cuenca;Gipuzkoa;Girona;Granada;Guadalajara;Huelva;Huesca;Jaén;León;Lleida;Lugo;Madrid;Málaga;Murcia;Navarra;Ourense;Palencia;Palmas, Las;Pontevedr;Rioja, La;Salamanca;Santa Cruz de Tenerife;Segovia;Sevilla;Soria;Tarragona;Teruel;Toledo;Valencia/Valéncia;Valladolid;Zamora;Zaragoza;Ceuta;Melilla';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 $i = 1;
 foreach ($list_provinces as $value) {
     $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', '".$i."', '".$value."','".$i."');";
@@ -825,7 +825,7 @@ $fieldtype = '4';
 $fieldtitle = 'Comunidad autonoma Trabajo';
 $fielddefault = '';
 //$fieldoptions = ';Andalucía;Aragón;Asturias, Principado de;Balears, Illes;Canarias;Cantabria;Castilla y León;Castilla - La Mancha;Cataluña;Comunitat Valenciana;Extremadura;Galicia;Madrid, Comunidad de;Murcia, Región de;Navarra, Comunidad Foral de;País Vasco;Rioja, La;Ceuta;Melilla';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 $i = 1;
 foreach ($list_ccaa as $value) {
     $sql = "INSERT INTO extra_field_options (field_id, option_value, display_text, option_order) VALUES ('".$field_id."', '".$i."', '".$value."','".$i."');";
@@ -837,40 +837,40 @@ $fieldlabel = 'medio_conocimiento';
 $fieldtype = '2';
 $fieldtitle = 'Medio de conocimiento Acción formativa';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'experiencia_anterior';
 $fieldtype = '2';
 $fieldtitle = 'Experiencia anterior en la realización de cursos on-line';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'razones_teleformacion';
 $fieldtype = '2';
 $fieldtitle = 'Razones por la modalidad teleformación';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'valoracion_modalidad';
 $fieldtype = '2';
 $fieldtitle = 'Valoración general sobre la modalidad';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'categoria_profesional';
 $fieldtype = '1';
 $fieldtitle = 'Categoría profesional';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'tamano_empresa';
 $fieldtype = '1';
 $fieldtitle = 'Tamaño de la empresa';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
 
 $fieldlabel = 'horario_accion_formativa';
 $fieldtype = '1';
 $fieldtitle = 'Horario de la acción formativa';
 $fielddefault = '';
-$field_id = UserManager::create_extra_field($fieldlabel,$fieldtype,$fieldtitle,$fielddefault);
+$field_id = UserManager::create_extra_field($fieldlabel, $fieldtype, $fieldtitle, $fielddefault);
diff --git a/plugin/sepe/index.php b/plugin/sepe/index.php
index c1c737f63a..3720c57536 100644
--- a/plugin/sepe/index.php
+++ b/plugin/sepe/index.php
@@ -6,5 +6,5 @@
  * @author Julio Montoya <gugli100@gmail.com>
  * @package chamilo.plugin.sepe
  */
-require_once __DIR__ . '/config.php';
-require_once __DIR__ . '/src/index.sepe.php';
+require_once __DIR__.'/config.php';
+require_once __DIR__.'/src/index.sepe.php';
diff --git a/plugin/sepe/plugin.php b/plugin/sepe/plugin.php
index ba20d22a3c..3954c3e8c4 100644
--- a/plugin/sepe/plugin.php
+++ b/plugin/sepe/plugin.php
@@ -8,5 +8,5 @@
 /**
  * Plugin details (must be present)
  */
-require_once __DIR__ . '/config.php';
+require_once __DIR__.'/config.php';
 $plugin_info = SepePlugin::create()->get_info();
diff --git a/plugin/sepe/src/formative-action-edit.php b/plugin/sepe/src/formative-action-edit.php
index ebaa19b865..6d1829fba8 100644
--- a/plugin/sepe/src/formative-action-edit.php
+++ b/plugin/sepe/src/formative-action-edit.php
@@ -172,7 +172,7 @@ if (api_is_platform_admin()) {
         } elseif (strpos($info['start_date'], '0000') === false) {
             $yearStart = date("Y", strtotime($info['start_date']));
         } else {
-            $yearStart  = date("Y");
+            $yearStart = date("Y");
         }
         if ($info['end_date'] != "0000-00-00" && $info['end_date'] != NULL) {
             $tpl->assign('day_end', date("j", strtotime($info['end_date'])));
@@ -182,7 +182,7 @@ if (api_is_platform_admin()) {
         } elseif (strpos($info['end_date'], '0000') === false) {
             $yearEnd = date("Y", strtotime($info['end_date']));
         } else {
-            $yearEnd  = date("Y");
+            $yearEnd = date("Y");
         }
         $tpl->assign('new_action', '0');
     }
@@ -195,7 +195,7 @@ if (api_is_platform_admin()) {
     }
     $yearStart -= 5;
     $yearEnd += 5;
-    $fin_rango_anio = (($yearStart + 15) < $yearEnd) ? ($yearEnd+1):($yearStart +15);
+    $fin_rango_anio = (($yearStart + 15) < $yearEnd) ? ($yearEnd + 1) : ($yearStart + 15);
     while ($yearStart <= $fin_rango_anio) {
         $yearList[] = $yearStart;
         $yearStart++;
@@ -216,5 +216,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/formative-action.php b/plugin/sepe/src/formative-action.php
index cacb2ffb2b..171afa45f7 100644
--- a/plugin/sepe/src/formative-action.php
+++ b/plugin/sepe/src/formative-action.php
@@ -34,8 +34,8 @@ if (api_is_platform_admin()) {
     }
     
     $tpl->assign('info', $info);
-    $tpl->assign('start_date', date("d/m/Y",strtotime($info['start_date'])));
-    $tpl->assign('end_date', date("d/m/Y",strtotime($info['end_date'])));
+    $tpl->assign('start_date', date("d/m/Y", strtotime($info['start_date'])));
+    $tpl->assign('end_date', date("d/m/Y", strtotime($info['end_date'])));
     $tpl->assign('action_id', $actionId);
     $listSpecialty = specialtyList($actionId);
     $tpl->assign('listSpecialty', $listSpecialty);
@@ -46,5 +46,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/formative-actions-list.php b/plugin/sepe/src/formative-actions-list.php
index 88213312f9..d5aa893b25 100644
--- a/plugin/sepe/src/formative-actions-list.php
+++ b/plugin/sepe/src/formative-actions-list.php
@@ -36,5 +36,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/function.php b/plugin/sepe/src/function.php
index 4dab3340c7..437321edde 100644
--- a/plugin/sepe/src/function.php
+++ b/plugin/sepe/src/function.php
@@ -15,7 +15,7 @@ if ($_REQUEST['tab'] == 'delete_center_data') {
     if (!$res) {
         $sql = "DELETE FROM $tableSepeActions;";
         $res = Database::query($sql);
-        $content = $plugin->get_lang('ProblemToDeleteInfoCenter') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoCenter').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -28,7 +28,7 @@ if ($_REQUEST['tab'] == 'delete_action') {
     $sql = "DELETE FROM $tableSepeActions WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoAction') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoAction').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -38,11 +38,11 @@ if ($_REQUEST['tab'] == 'delete_action') {
 }
 
 if ($_REQUEST['tab'] == 'delete_specialty') {
-    $id = intval(substr($_REQUEST['id'],9));
+    $id = intval(substr($_REQUEST['id'], 9));
     $sql = "DELETE FROM $tableSepeSpecialty WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -51,11 +51,11 @@ if ($_REQUEST['tab'] == 'delete_specialty') {
 }
 
 if ($_REQUEST['tab'] == 'delete_specialty_participant') {
-    $id = intval(substr($_REQUEST['id'],9));
+    $id = intval(substr($_REQUEST['id'], 9));
     $sql = "DELETE FROM $tableSepeParticipantsSpecialty WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialty').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -64,11 +64,11 @@ if ($_REQUEST['tab'] == 'delete_specialty_participant') {
 }
 
 if ($_REQUEST['tab'] == 'delete_classroom') {
-    $id = intval(substr($_REQUEST['id'],9));
+    $id = intval(substr($_REQUEST['id'], 9));
     $sql = "DELETE FROM $tableSepeSpecialtyClassroom WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyClassroom') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyClassroom').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -87,8 +87,8 @@ if ($_REQUEST['tab'] == 'checkTutorEdit') {
             WHERE document_type='".$type."' AND document_number='".$number."' AND document_letter='".$letter."';";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemDataBase') . Database::error();
-        error_log(print_r($content,1));
+        $content = $plugin->get_lang('ProblemDataBase').Database::error();
+        error_log(print_r($content, 1));
         exit;
     } else {
         $aux = Database::fetch_assoc($res);
@@ -102,11 +102,11 @@ if ($_REQUEST['tab'] == 'checkTutorEdit') {
 }
 
 if ($_REQUEST['tab'] == 'delete_tutor') {
-    $id = intval(substr($_REQUEST['id'],5));
+    $id = intval(substr($_REQUEST['id'], 5));
     $sql = "DELETE FROM $tableSepeSpecialtyTutors WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyTutor') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoSpecialtyTutor').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -115,7 +115,7 @@ if ($_REQUEST['tab'] == 'delete_tutor') {
 }
 
 if ($_REQUEST['tab'] == 'delete_participant') {
-    $id = intval(substr($_REQUEST['id'],11));
+    $id = intval(substr($_REQUEST['id'], 11));
     $sql = "SELECT platform_user_id, action_id FROM $tableSepeParticipants WHERE id = $id;";
     $res = Database::query($sql);
     $row = Database::fetch_assoc($res);
@@ -126,7 +126,7 @@ if ($_REQUEST['tab'] == 'delete_participant') {
     $sql = "DELETE FROM $tableSepeParticipants WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDeleteInfoParticipant') . Database::error();
+        $content = $plugin->get_lang('ProblemToDeleteInfoParticipant').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -135,11 +135,11 @@ if ($_REQUEST['tab'] == 'delete_participant') {
 }
 
 if ($_REQUEST['tab'] == 'unlink_action') {
-    $id = intval(substr($_REQUEST['id'],16));
+    $id = intval(substr($_REQUEST['id'], 16));
     $sql = "DELETE FROM $tableSepeCourseActions WHERE id = $id;";
     $res = Database::query($sql);
     if (!$res) {
-        $content = $plugin->get_lang('ProblemToDesvincularInfoAction') . Database::error();
+        $content = $plugin->get_lang('ProblemToDesvincularInfoAction').Database::error();
         echo json_encode(array("status" => "false", "content" => $content));
     } else {
         $content = $plugin->get_lang('DeleteOk');
@@ -148,7 +148,7 @@ if ($_REQUEST['tab'] == 'unlink_action') {
 }
 
 if ($_REQUEST['tab'] == 'assign_action') {
-    $course_id = intval(substr($_REQUEST['course_id'],9));
+    $course_id = intval(substr($_REQUEST['course_id'], 9));
     $action_id = intval($_REQUEST['action_id']);
     
     if ($action_id != 0 && $course_id != 0) {
diff --git a/plugin/sepe/src/identification-data-edit.php b/plugin/sepe/src/identification-data-edit.php
index 29fff26e16..54aa2f9f0b 100644
--- a/plugin/sepe/src/identification-data-edit.php
+++ b/plugin/sepe/src/identification-data-edit.php
@@ -9,7 +9,7 @@ use \ChamiloSession as Session;
 require_once '../config.php';
 $plugin = SepePlugin::create();
 
-if ( !empty($_POST)) {
+if (!empty($_POST)) {
     $check = Security::check_token('post');
     if ($check) {
         $centerOrigin = Database::escape_string(trim($_POST['center_origin']));
@@ -89,5 +89,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/participant-action-edit.php b/plugin/sepe/src/participant-action-edit.php
index eca9aacc60..bcc680364f 100644
--- a/plugin/sepe/src/participant-action-edit.php
+++ b/plugin/sepe/src/participant-action-edit.php
@@ -12,7 +12,7 @@ $course_plugin = 'sepe';
 $plugin = SepePlugin::create();
 $_cid = 0;
 
-if ( !empty($_POST)) {
+if (!empty($_POST)) {
     $check = Security::check_token('post');
     if ($check) {
         $companyTutorId = (!empty($_POST['company_tutor_id']) ? intval($_POST['company_tutor_id']) : NULL);
@@ -134,7 +134,7 @@ if ( !empty($_POST)) {
             }
             Database::query($sql);
             
-            $insertLog = checkInsertNewLog($platformUserId,$actionId);
+            $insertLog = checkInsertNewLog($platformUserId, $actionId);
             if ($insertLog) {
                 $sql = "INSERT INTO $tableSepeLogParticipant (
                             platform_user_id, 
@@ -220,7 +220,7 @@ if (api_is_platform_admin()) {
     $listTutorCompany = listTutorType("company = '1'");
     $tpl->assign('list_tutor_company', $listTutorCompany);
     $listTutorTraining = array();
-    $listTutorTraining= listTutorType("training = '1'");
+    $listTutorTraining = listTutorType("training = '1'");
     $tpl->assign('list_tutor_training', $listTutorTraining);
     if (isset($_SESSION['sepe_message_info'])) {
         $tpl->assign('message_info', $_SESSION['sepe_message_info']);    
@@ -236,5 +236,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/participant-specialty-edit.php b/plugin/sepe/src/participant-specialty-edit.php
index 2761453381..420617c136 100644
--- a/plugin/sepe/src/participant-specialty-edit.php
+++ b/plugin/sepe/src/participant-specialty-edit.php
@@ -12,7 +12,7 @@ $course_plugin = 'sepe';
 $plugin = SepePlugin::create();
 $_cid = 0;
 
-if ( !empty($_POST)) {
+if (!empty($_POST)) {
     $check = Security::check_token('post');
     if ($check) {
         $newSpecialty = intval($_POST['new_specialty']);
@@ -215,7 +215,7 @@ if (api_is_platform_admin()) {
         }
         if ($info['end_date'] != '0000-00-00' && $info['end_date'] != NULL) {
             $tpl->assign('day_end', date("j", strtotime($info['end_date'])));
-            $tpl->assign('month_end', date("n",strtotime($info['end_date'])));
+            $tpl->assign('month_end', date("n", strtotime($info['end_date'])));
             $tpl->assign('year_end', date("Y", strtotime($info['end_date'])));
             $endYear = date("Y", strtotime($info['end_date']));
         } elseif (strpos($info['end_date'], '0000') === false) {
@@ -236,7 +236,7 @@ if (api_is_platform_admin()) {
     }
     $registrationYear -= 5;
     $leaveYear += 5;
-    $endRangeYear = (($registrationYear + 15) < $leaveYear) ? ($leaveYear+1):($registrationYear + 15);
+    $endRangeYear = (($registrationYear + 15) < $leaveYear) ? ($leaveYear + 1) : ($registrationYear + 15);
     while ($registrationYear <= $endRangeYear) {
         $listYear[] = $registrationYear;
         $registrationYear++;
@@ -251,7 +251,7 @@ if (api_is_platform_admin()) {
     }
     $startYear -= 5;
     $endYear += 5;
-    $endRangeYear = (($startYear + 15) < $endYear) ? ($endYear+1):($startYear +15);
+    $endRangeYear = (($startYear + 15) < $endYear) ? ($endYear + 1) : ($startYear + 15);
     while ($startYear <= $endRangeYear) {
         $listYear[] = $startYear;
         $startYear++;
@@ -272,5 +272,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/sepe-administration-menu.php b/plugin/sepe/src/sepe-administration-menu.php
index 4094222432..8520d4165a 100644
--- a/plugin/sepe/src/sepe-administration-menu.php
+++ b/plugin/sepe/src/sepe-administration-menu.php
@@ -39,7 +39,7 @@ if (api_is_platform_admin() && $enable) {
                     $htmlText .= '<li>';
                     $htmlText .= '<a href="'.$pluginPath.'configuration.php">';
                         $htmlText .= '<img src="'.api_get_path(WEB_PLUGIN_PATH).'sepe/resources/settings.png">';
-                        $htmlText .=$plugin->get_lang('Setting');
+                        $htmlText .= $plugin->get_lang('Setting');
                     $htmlText .= '</a>';
                     $htmlText .= '</li>';
                 $htmlText .= '</ul>';
@@ -57,5 +57,5 @@ if (api_is_platform_admin() && $enable) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/sepe_plugin.class.php b/plugin/sepe/src/sepe_plugin.class.php
index 514a7be95e..fdfe014955 100644
--- a/plugin/sepe/src/sepe_plugin.class.php
+++ b/plugin/sepe/src/sepe_plugin.class.php
@@ -80,7 +80,7 @@ class SepePlugin extends Plugin
             return false;
         }
 
-        require_once api_get_path(SYS_PLUGIN_PATH) . 'sepe/database.php';
+        require_once api_get_path(SYS_PLUGIN_PATH).'sepe/database.php';
     }
         
     /**
@@ -121,9 +121,9 @@ class SepePlugin extends Plugin
         $oldTableTutorsCompany = 'plugin_sepe_tutors_empresa';
         $oldTableCompetence = 'plugin_sepe_competencia_docente';
         $sql = "RENAME TABLE "
-                   . $oldTableCenters ." TO ". self::TABLE_SEPE_CENTERS .", "
-                   . $oldTableTutorsCompany ." TO ". self::TABLE_SEPE_TUTORS_COMPANY .", "
-                   . $oldTableCompetence ." TO ". self::TABLE_SEPE_TEACHING_COMPETENCE .";";
+                   . $oldTableCenters." TO ".self::TABLE_SEPE_CENTERS.", "
+                   . $oldTableTutorsCompany." TO ".self::TABLE_SEPE_TUTORS_COMPANY.", "
+                   . $oldTableCompetence." TO ".self::TABLE_SEPE_TEACHING_COMPETENCE.";";
         Database::query($sql);
         
         $sepeCourseActionsTable = self::TABLE_SEPE_COURSE_ACTIONS;
diff --git a/plugin/sepe/src/specialty-action-edit.php b/plugin/sepe/src/specialty-action-edit.php
index 8cb9e2519b..8555996a08 100644
--- a/plugin/sepe/src/specialty-action-edit.php
+++ b/plugin/sepe/src/specialty-action-edit.php
@@ -181,7 +181,7 @@ if (api_is_platform_admin()) {
         } elseif (strpos($info['start_date'], '0000') === false) {
             $yearStart = date("Y", strtotime($info['start_date']));
         } else {
-            $yearStart  = date("Y");
+            $yearStart = date("Y");
         }
         if ($info['end_date'] != '0000-00-00' && $info['end_date'] != NULL) {
             $tpl->assign('day_end', date("j", strtotime($info['end_date'])));
@@ -191,7 +191,7 @@ if (api_is_platform_admin()) {
         } elseif (strpos($info['end_date'], '0000') === false) {
             $yearEnd = date("Y", strtotime($info['end_date']));
         } else {
-            $yearEnd  = date("Y");
+            $yearEnd = date("Y");
         }
         $tpl->assign('new_action', '0');
         $tpl->assign('specialty_id', intval($_GET['specialty_id']));
@@ -210,7 +210,7 @@ if (api_is_platform_admin()) {
     }
     $yearStart -= 5;
     $yearEnd += 5;
-    $fin_rango_anio = (($yearStart + 15) < $yearEnd) ? ($yearEnd+1):($yearStart +15);
+    $fin_rango_anio = (($yearStart + 15) < $yearEnd) ? ($yearEnd + 1) : ($yearStart + 15);
     while ($yearStart <= $fin_rango_anio) {
         $yearList[] = $yearStart;
         $yearStart++;
@@ -231,5 +231,5 @@ if (api_is_platform_admin()) {
     $tpl->display_one_col_template();
 
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/specialty-tutor-edit.php b/plugin/sepe/src/specialty-tutor-edit.php
index ded409143a..29a7f0b275 100644
--- a/plugin/sepe/src/specialty-tutor-edit.php
+++ b/plugin/sepe/src/specialty-tutor-edit.php
@@ -12,7 +12,7 @@ $course_plugin = 'sepe';
 $plugin = SepePlugin::create();
 $_cid = 0;
 
-if ( !empty($_POST)) {
+if (!empty($_POST)) {
     $check = Security::check_token('post');
     if ($check) {
         $sltUserExists = intval($_POST['slt_user_exists']);
@@ -219,5 +219,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/src/specialty-tutorial-edit.php b/plugin/sepe/src/specialty-tutorial-edit.php
index 8eed2368e8..a9a4d0e0f3 100644
--- a/plugin/sepe/src/specialty-tutorial-edit.php
+++ b/plugin/sepe/src/specialty-tutorial-edit.php
@@ -12,7 +12,7 @@ $course_plugin = 'sepe';
 $plugin = SepePlugin::create();
 $_cid = 0;
 
-if ( !empty($_POST)) {
+if (!empty($_POST)) {
     $check = Security::check_token('post');
     if ($check) {
         $centerOrigin = Database::escape_string(trim($_POST['center_origin']));
@@ -132,7 +132,7 @@ if (api_is_platform_admin()) {
     }
     $startYear -= 5;
     $endYear += 5;
-    $endRangeYear = (($startYear + 15) < $endYear) ? ($endYear+1):($startYear +15);
+    $endRangeYear = (($startYear + 15) < $endYear) ? ($endYear + 1) : ($startYear + 15);
     while ($startYear <= $endRangeYear) {
         $listYears[] = $startYear;
         $startYear++;
@@ -154,5 +154,5 @@ if (api_is_platform_admin()) {
     $tpl->assign('content', $content);
     $tpl->display_one_col_template();
 } else {
-    header('Location:' . api_get_path(WEB_PATH));
+    header('Location:'.api_get_path(WEB_PATH));
 }
diff --git a/plugin/sepe/uninstall.php b/plugin/sepe/uninstall.php
index d2100de088..a8937e3e8f 100644
--- a/plugin/sepe/uninstall.php
+++ b/plugin/sepe/uninstall.php
@@ -9,5 +9,5 @@
 /**
  * Queries
  */
-require_once __DIR__ . '/config.php';
+require_once __DIR__.'/config.php';
 SepePlugin::create()->uninstall();
diff --git a/plugin/sepe/update.php b/plugin/sepe/update.php
index d4343bacb5..d9db73dc9d 100644
--- a/plugin/sepe/update.php
+++ b/plugin/sepe/update.php
@@ -4,7 +4,7 @@
  * Config the plugin
  * @package chamilo.plugin.sepe
  */
-require_once __DIR__ . '/config.php';
+require_once __DIR__.'/config.php';
 
 if (!api_is_platform_admin()) {
     die ('You must have admin permissions to install plugins');
diff --git a/plugin/sepe/ws/service.php b/plugin/sepe/ws/service.php
index e7789c1c97..46f354521b 100644
--- a/plugin/sepe/ws/service.php
+++ b/plugin/sepe/ws/service.php
@@ -83,7 +83,7 @@ class CustomServer extends Zend\Soap\Server
     }
 }
 
-function authenticate($WSUser,$WSKey)
+function authenticate($WSUser, $WSKey)
 {
     $tUser = Database::get_main_table(TABLE_MAIN_USER);
     $tApi = Database::get_main_table(TABLE_MAIN_USER_API_KEY);