CURSO:
Fatal error: Uncaught Error: Call to a member function f() on null in /home/uchtodouy/public_html/curso/curso_ewlib.php:4 Stack trace: #0 /home/uchtodouy/public_html/curso/index.php(88): titulo_curso() #1 {main} thrown in /home/uchtodouy/public_html/curso/curso_ewlib.php on line 4