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@@ -4284,7 +4284,7 @@ class CourseManager
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$now = date('Y-m-d h:i:s');
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$user_id = api_get_user_id();
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$course_info = api_get_course_info_by_id($course['real_id']);
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- $course_visibility = $course_info['visibility'];
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+ $course_visibility = (int) $course_info['visibility'];
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if ($course_visibility === COURSE_VISIBILITY_HIDDEN) {
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return '';
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