Minor - codeclimate fixes

main/auth/set_temp_password.php

@@ -11,36 +11,37 @@ use ChamiloSession as Session;
 $cidReset = true;
 require_once __DIR__.'/../inc/global.inc.php';
 $this_section = SECTION_COURSES;
-$course_id = isset($_GET['course_id']) ? intval($_GET['course_id']) : null;
-$session_id = isset($_GET['session_id']) ? intval($_GET['session_id']) : null;
-$user_id = api_get_user_id();
+$courseId = isset($_GET['course_id']) ? intval($_GET['course_id']) : null;
+$sessionId = isset($_GET['session_id']) ? intval($_GET['session_id']) : null;
+$userId = api_get_user_id();
 
 /**
  * Security check.
  */
-if (empty($course_id)) {
+if (empty($courseId)) {
     api_not_allowed();
 }
 
-$course_info = api_get_course_info_by_id($course_id);
+$courseInfo = api_get_course_info_by_id($courseId);
 
 // Build the form
 $form = new FormValidator(
     'set_temp_password',
     'POST',
-    api_get_self().'?course_id='.$course_id.'&session_id='.$session_id
+    api_get_self().'?course_id='.$courseId.'&session_id='.$sessionId
 );
 $form->addElement('header', get_lang('CourseRequiresPassword'));
-$form->addElement('hidden', 'course_id', $course_id);
-$form->addElement('hidden', 'session_id', $session_id);
+$form->addElement('hidden', 'course_id', $courseId);
+$form->addElement('hidden', 'session_id', $sessionId);
 $form->addElement('password', 'course_password', get_lang('Password'));
 $form->addButtonSave(get_lang('Accept'));
 
 if ($form->validate()) {
-    $form_values = $form->exportValues();
-    if (sha1($form_values['course_password']) === $course_info['registration_code']) {
-        Session::write('course_password_'.$course_info['real_id'], true);
-        header('Location: '.api_get_course_url($course_info['code'], $session_id).'&action=subscribe&sec_token='.Security::get_existing_token());
+    $formValues = $form->exportValues();
+    if (sha1($formValues['course_password']) === $courseInfo['registration_code']) {
+        Session::write('course_password_'.$courseInfo['real_id'], true);
+        header('Location: '.api_get_course_url($courseInfo['code'], $sessionId).
+            '&action=subscribe&sec_token='.Security::get_existing_token());
         exit;
     } else {
         Display::addFlash(