mysqli_num_rows() expects parameter 1 to be mysqli_result, object

Question

This is my first experience with mysqli. It seems to be looking for the name of a result set in between the parentheses in mysqli_num_rows(). Yet when I tried $stmt, $conn,

Answer 1

You're combining procedural and object oriented approaches, when you only want object oriented. Change

$num=mysqli_num_rows($WHAT);

to

$num = $stmt->num_rows();