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@@ -274,6 +274,7 @@ class Database {
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* @todo move this function in a gradebook-related library
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*/
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public static function get_course_by_category($category_id) {
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+ $category_id = intval($category_id);
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$info = self::fetch_array(self::query('SELECT course_code FROM '.self::get_main_table(TABLE_MAIN_GRADEBOOK_CATEGORY).' WHERE id='.$category_id), 'ASSOC');
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return $info ? $info['course_code'] : false;
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}
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