Fatal error: Uncaught TypeError: array_keys(): Argument #1 ($array) must be of type array, null given in /var/www/html/model/clsDtCursosSpinner.php:59 Stack trace: #0 /var/www/html/model/clsDtCursosSpinner.php(59): array_keys() #1 /var/www/html/model/clsDtCursosSpinner.php(43): clsDtCursosSpinner->ajusta_curso() #2 /var/www/html/url_amigavel_curso_gratis.php(39): clsDtCursosSpinner->getCurso() #3 {main} thrown in /var/www/html/model/clsDtCursosSpinner.php on line 59