A non-numeric value encountered
themes/padrao/categoria2.php :78
themes/padrao/categoria2.php :94

A non-numeric value encountered
themes/padrao/categoria2.php :78
themes/padrao/categoria2.php :94

Division by zero
themes/padrao/categoria2.php :78
themes/padrao/categoria2.php :94

themes/padrao/categoria2.php :83
42000 SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NAN' at line 1