Php error reporting

Script

error_reporting(E_ALL);
ini_set('display_startup_errors', 'on');
ini_set('display_errors', 'on');
ini_set('html_errors', 'on');

htaccess

php_flag display_startup_errors on
php_flag display_errors on
php_flag html_errors on

.user.ini

error_reporting = E_ALL
display_startup_errors = On
display_errors = On
html_errors = On