Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, boolean given in /www/htdocs/v035752/meinung_statistik.php on line 21
Fatal error: Uncaught Error: Call to a member function fetch_assoc() on boolean in /www/htdocs/v035752/meinung_statistik.php:31
Stack trace:
#0 {main}
thrown in /www/htdocs/v035752/meinung_statistik.php on line 31