this code
<?php
include('connection.php');
$sql = "selcet username, email, password from users";
$result = mysqli_query($connect, $sql);
if(mysqli_num_rows($result)>0){
while($row = mysqli_fetch_assoc($result)){
echo "username:".$row['username'].",email:".$row['emali'].",password:".$row['password'].";";
}
}
?>
error
Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\mydb\userSelect.php on line 7